To find all the divisors of the number 20,000,000,060:
- 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 20,000,000,060:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
20,000,000,060 = 22 × 5 × 23 × 307 × 141,623
20,000,000,060 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 = (2 + 1) × (1 + 1) × (1 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 2 × 2 × 2 = 48
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 20,000,000,060
- Multiply the prime factors involved in the prime factorization of the number in all their unique combinations, that give different results.
- Also consider the exponents of these prime factors.
- 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
composite factor = 2
2 =
4
prime factor =
5
composite factor = 2 × 5 =
10
composite factor = 2
2 × 5 =
20
prime factor =
23
composite factor = 2 × 23 =
46
composite factor = 2
2 × 23 =
92
composite factor = 5 × 23 =
115
composite factor = 2 × 5 × 23 =
230
prime factor =
307
composite factor = 2
2 × 5 × 23 =
460
composite factor = 2 × 307 =
614
composite factor = 2
2 × 307 =
1,228
composite factor = 5 × 307 =
1,535
composite factor = 2 × 5 × 307 =
3,070
composite factor = 2
2 × 5 × 307 =
6,140
composite factor = 23 × 307 =
7,061
composite factor = 2 × 23 × 307 =
14,122
composite factor = 2
2 × 23 × 307 =
28,244
composite factor = 5 × 23 × 307 =
35,305
composite factor = 2 × 5 × 23 × 307 =
70,610
composite factor = 2
2 × 5 × 23 × 307 =
141,220
This list continues below...
... This list continues from above
prime factor =
141,623
composite factor = 2 × 141,623 =
283,246
composite factor = 2
2 × 141,623 =
566,492
composite factor = 5 × 141,623 =
708,115
composite factor = 2 × 5 × 141,623 =
1,416,230
composite factor = 2
2 × 5 × 141,623 =
2,832,460
composite factor = 23 × 141,623 =
3,257,329
composite factor = 2 × 23 × 141,623 =
6,514,658
composite factor = 2
2 × 23 × 141,623 =
13,029,316
composite factor = 5 × 23 × 141,623 =
16,286,645
composite factor = 2 × 5 × 23 × 141,623 =
32,573,290
composite factor = 307 × 141,623 =
43,478,261
composite factor = 2
2 × 5 × 23 × 141,623 =
65,146,580
composite factor = 2 × 307 × 141,623 =
86,956,522
composite factor = 2
2 × 307 × 141,623 =
173,913,044
composite factor = 5 × 307 × 141,623 =
217,391,305
composite factor = 2 × 5 × 307 × 141,623 =
434,782,610
composite factor = 2
2 × 5 × 307 × 141,623 =
869,565,220
composite factor = 23 × 307 × 141,623 =
1,000,000,003
composite factor = 2 × 23 × 307 × 141,623 =
2,000,000,006
composite factor = 2
2 × 23 × 307 × 141,623 =
4,000,000,012
composite factor = 5 × 23 × 307 × 141,623 =
5,000,000,015
composite factor = 2 × 5 × 23 × 307 × 141,623 =
10,000,000,030
composite factor = 2
2 × 5 × 23 × 307 × 141,623 =
20,000,000,060
48 factors (divisors)
What times what is 20,000,000,060?
What number multiplied by what number equals 20,000,000,060?
All the combinations of any two natural numbers whose product equals 20,000,000,060.
1 × 20,000,000,060 = 20,000,000,060
2 × 10,000,000,030 = 20,000,000,060
4 × 5,000,000,015 = 20,000,000,060
5 × 4,000,000,012 = 20,000,000,060
10 × 2,000,000,006 = 20,000,000,060
20 × 1,000,000,003 = 20,000,000,060
23 × 869,565,220 = 20,000,000,060
46 × 434,782,610 = 20,000,000,060
92 × 217,391,305 = 20,000,000,060
115 × 173,913,044 = 20,000,000,060
230 × 86,956,522 = 20,000,000,060
307 × 65,146,580 = 20,000,000,060
460 × 43,478,261 = 20,000,000,060
614 × 32,573,290 = 20,000,000,060
1,228 × 16,286,645 = 20,000,000,060
1,535 × 13,029,316 = 20,000,000,060
3,070 × 6,514,658 = 20,000,000,060
6,140 × 3,257,329 = 20,000,000,060
7,061 × 2,832,460 = 20,000,000,060
14,122 × 1,416,230 = 20,000,000,060
28,244 × 708,115 = 20,000,000,060
35,305 × 566,492 = 20,000,000,060
70,610 × 283,246 = 20,000,000,060
141,220 × 141,623 = 20,000,000,060
24 unique multiplications The final answer:
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