To find all the divisors of the number 12,900,000,090:
- 1. Decompose the number into prime factors.
- See how you can find out how many factors (divisors) the number has, without actually calculating them.
- 2. Multiply the prime factors in all their unique combinations, that yield different results.
1. Carry out the prime factorization of the number 12,900,000,090:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
12,900,000,090 = 2 × 3 × 5 × 73 × 263 × 22,397
12,900,000,090 is not a prime number but a composite one.
- Prime number: a natural number that is divisible (divided evenly) only by 1 and itself. A prime number has exactly two factors: 1 and the number itself.
- Examples of prime numbers: 2 (factors 1, 2), 3 (factors 1, 3), 5 (factors 1, 5), 7 (factors 1, 7), 11 (factors 1, 11), 13 (factors 1, 13), ...
- Composite number: a natural number that has at least one factor other than 1 and itself. So it is neither a prime number nor 1.
- Examples of composite numbers: 4 (it has 3 factors: 1, 2, 4), 6 (it has 4 factors: 1, 2, 3, 6), 8 (it has 4 factors: 1, 2, 4, 8), 9 (it has 3 factors: 1, 3, 9), 10 (it has 4 factors: 1, 2, 5, 10), 12 (it has 6 factors: 1, 2, 3, 4, 6, 12), ...
How to count the number of factors of a number?
Without actually finding the factors
- If a number N is prime factorized as:
N = am × bk × cz
where a, b, c are the prime factors and m, k, z are their exponents, natural numbers, .... - ...
- Then the number of factors of the number N can be calculated as:
n = (m + 1) × (k + 1) × (z + 1) - ...
- In our case, the number of factors is calculated as:
- n = (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 2 × 2 × 2 × 2 × 2 × 2 = 64
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 12,900,000,090
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- Also add 1 to the list of factors (divisors). All the numbers are divisible by 1.
All the factors (divisors) are listed below - in ascending order
The list of factors (divisors):
Numbers other than 1 that are not prime factors are composite factors (divisors).
neither prime nor composite =
1
prime factor =
2
prime factor =
3
prime factor =
5
composite factor = 2 × 3 =
6
composite factor = 2 × 5 =
10
composite factor = 3 × 5 =
15
composite factor = 2 × 3 × 5 =
30
prime factor =
73
composite factor = 2 × 73 =
146
composite factor = 3 × 73 =
219
prime factor =
263
composite factor = 5 × 73 =
365
composite factor = 2 × 3 × 73 =
438
composite factor = 2 × 263 =
526
composite factor = 2 × 5 × 73 =
730
composite factor = 3 × 263 =
789
composite factor = 3 × 5 × 73 =
1,095
composite factor = 5 × 263 =
1,315
composite factor = 2 × 3 × 263 =
1,578
composite factor = 2 × 3 × 5 × 73 =
2,190
composite factor = 2 × 5 × 263 =
2,630
composite factor = 3 × 5 × 263 =
3,945
composite factor = 2 × 3 × 5 × 263 =
7,890
composite factor = 73 × 263 =
19,199
prime factor =
22,397
composite factor = 2 × 73 × 263 =
38,398
composite factor = 2 × 22,397 =
44,794
composite factor = 3 × 73 × 263 =
57,597
composite factor = 3 × 22,397 =
67,191
composite factor = 5 × 73 × 263 =
95,995
composite factor = 5 × 22,397 =
111,985
This list continues below...
... This list continues from above
composite factor = 2 × 3 × 73 × 263 =
115,194
composite factor = 2 × 3 × 22,397 =
134,382
composite factor = 2 × 5 × 73 × 263 =
191,990
composite factor = 2 × 5 × 22,397 =
223,970
composite factor = 3 × 5 × 73 × 263 =
287,985
composite factor = 3 × 5 × 22,397 =
335,955
composite factor = 2 × 3 × 5 × 73 × 263 =
575,970
composite factor = 2 × 3 × 5 × 22,397 =
671,910
composite factor = 73 × 22,397 =
1,634,981
composite factor = 2 × 73 × 22,397 =
3,269,962
composite factor = 3 × 73 × 22,397 =
4,904,943
composite factor = 263 × 22,397 =
5,890,411
composite factor = 5 × 73 × 22,397 =
8,174,905
composite factor = 2 × 3 × 73 × 22,397 =
9,809,886
composite factor = 2 × 263 × 22,397 =
11,780,822
composite factor = 2 × 5 × 73 × 22,397 =
16,349,810
composite factor = 3 × 263 × 22,397 =
17,671,233
composite factor = 3 × 5 × 73 × 22,397 =
24,524,715
composite factor = 5 × 263 × 22,397 =
29,452,055
composite factor = 2 × 3 × 263 × 22,397 =
35,342,466
composite factor = 2 × 3 × 5 × 73 × 22,397 =
49,049,430
composite factor = 2 × 5 × 263 × 22,397 =
58,904,110
composite factor = 3 × 5 × 263 × 22,397 =
88,356,165
composite factor = 2 × 3 × 5 × 263 × 22,397 =
176,712,330
composite factor = 73 × 263 × 22,397 =
430,000,003
composite factor = 2 × 73 × 263 × 22,397 =
860,000,006
composite factor = 3 × 73 × 263 × 22,397 =
1,290,000,009
composite factor = 5 × 73 × 263 × 22,397 =
2,150,000,015
composite factor = 2 × 3 × 73 × 263 × 22,397 =
2,580,000,018
composite factor = 2 × 5 × 73 × 263 × 22,397 =
4,300,000,030
composite factor = 3 × 5 × 73 × 263 × 22,397 =
6,450,000,045
composite factor = 2 × 3 × 5 × 73 × 263 × 22,397 =
12,900,000,090
64 factors (divisors)
What times what is 12,900,000,090?
What number multiplied by what number equals 12,900,000,090?
All the combinations of any two natural numbers whose product equals 12,900,000,090.
1 × 12,900,000,090 = 12,900,000,090
2 × 6,450,000,045 = 12,900,000,090
3 × 4,300,000,030 = 12,900,000,090
5 × 2,580,000,018 = 12,900,000,090
6 × 2,150,000,015 = 12,900,000,090
10 × 1,290,000,009 = 12,900,000,090
15 × 860,000,006 = 12,900,000,090
30 × 430,000,003 = 12,900,000,090
73 × 176,712,330 = 12,900,000,090
146 × 88,356,165 = 12,900,000,090
219 × 58,904,110 = 12,900,000,090
263 × 49,049,430 = 12,900,000,090
365 × 35,342,466 = 12,900,000,090
438 × 29,452,055 = 12,900,000,090
526 × 24,524,715 = 12,900,000,090
730 × 17,671,233 = 12,900,000,090
789 × 16,349,810 = 12,900,000,090
1,095 × 11,780,822 = 12,900,000,090
1,315 × 9,809,886 = 12,900,000,090
1,578 × 8,174,905 = 12,900,000,090
2,190 × 5,890,411 = 12,900,000,090
2,630 × 4,904,943 = 12,900,000,090
3,945 × 3,269,962 = 12,900,000,090
7,890 × 1,634,981 = 12,900,000,090
19,199 × 671,910 = 12,900,000,090
22,397 × 575,970 = 12,900,000,090
38,398 × 335,955 = 12,900,000,090
44,794 × 287,985 = 12,900,000,090
57,597 × 223,970 = 12,900,000,090
67,191 × 191,990 = 12,900,000,090
95,995 × 134,382 = 12,900,000,090
111,985 × 115,194 = 12,900,000,090
32 unique multiplications The final answer:
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