To find all the divisors of the number 20,000,000,016:
- 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 20,000,000,016:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
20,000,000,016 = 24 × 32 × 107 × 1,298,027
20,000,000,016 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 = (4 + 1) × (2 + 1) × (1 + 1) × (1 + 1) = 5 × 3 × 2 × 2 = 60
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 20,000,000,016
- 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
prime factor =
3
composite factor = 2
2 =
4
composite factor = 2 × 3 =
6
composite factor = 2
3 =
8
composite factor = 3
2 =
9
composite factor = 2
2 × 3 =
12
composite factor = 2
4 =
16
composite factor = 2 × 3
2 =
18
composite factor = 2
3 × 3 =
24
composite factor = 2
2 × 3
2 =
36
composite factor = 2
4 × 3 =
48
composite factor = 2
3 × 3
2 =
72
prime factor =
107
composite factor = 2
4 × 3
2 =
144
composite factor = 2 × 107 =
214
composite factor = 3 × 107 =
321
composite factor = 2
2 × 107 =
428
composite factor = 2 × 3 × 107 =
642
composite factor = 2
3 × 107 =
856
composite factor = 3
2 × 107 =
963
composite factor = 2
2 × 3 × 107 =
1,284
composite factor = 2
4 × 107 =
1,712
composite factor = 2 × 3
2 × 107 =
1,926
composite factor = 2
3 × 3 × 107 =
2,568
composite factor = 2
2 × 3
2 × 107 =
3,852
composite factor = 2
4 × 3 × 107 =
5,136
composite factor = 2
3 × 3
2 × 107 =
7,704
composite factor = 2
4 × 3
2 × 107 =
15,408
This list continues below...
... This list continues from above
prime factor =
1,298,027
composite factor = 2 × 1,298,027 =
2,596,054
composite factor = 3 × 1,298,027 =
3,894,081
composite factor = 2
2 × 1,298,027 =
5,192,108
composite factor = 2 × 3 × 1,298,027 =
7,788,162
composite factor = 2
3 × 1,298,027 =
10,384,216
composite factor = 3
2 × 1,298,027 =
11,682,243
composite factor = 2
2 × 3 × 1,298,027 =
15,576,324
composite factor = 2
4 × 1,298,027 =
20,768,432
composite factor = 2 × 3
2 × 1,298,027 =
23,364,486
composite factor = 2
3 × 3 × 1,298,027 =
31,152,648
composite factor = 2
2 × 3
2 × 1,298,027 =
46,728,972
composite factor = 2
4 × 3 × 1,298,027 =
62,305,296
composite factor = 2
3 × 3
2 × 1,298,027 =
93,457,944
composite factor = 107 × 1,298,027 =
138,888,889
composite factor = 2
4 × 3
2 × 1,298,027 =
186,915,888
composite factor = 2 × 107 × 1,298,027 =
277,777,778
composite factor = 3 × 107 × 1,298,027 =
416,666,667
composite factor = 2
2 × 107 × 1,298,027 =
555,555,556
composite factor = 2 × 3 × 107 × 1,298,027 =
833,333,334
composite factor = 2
3 × 107 × 1,298,027 =
1,111,111,112
composite factor = 3
2 × 107 × 1,298,027 =
1,250,000,001
composite factor = 2
2 × 3 × 107 × 1,298,027 =
1,666,666,668
composite factor = 2
4 × 107 × 1,298,027 =
2,222,222,224
composite factor = 2 × 3
2 × 107 × 1,298,027 =
2,500,000,002
composite factor = 2
3 × 3 × 107 × 1,298,027 =
3,333,333,336
composite factor = 2
2 × 3
2 × 107 × 1,298,027 =
5,000,000,004
composite factor = 2
4 × 3 × 107 × 1,298,027 =
6,666,666,672
composite factor = 2
3 × 3
2 × 107 × 1,298,027 =
10,000,000,008
composite factor = 2
4 × 3
2 × 107 × 1,298,027 =
20,000,000,016
60 factors (divisors)
What times what is 20,000,000,016?
What number multiplied by what number equals 20,000,000,016?
All the combinations of any two natural numbers whose product equals 20,000,000,016.
1 × 20,000,000,016 = 20,000,000,016
2 × 10,000,000,008 = 20,000,000,016
3 × 6,666,666,672 = 20,000,000,016
4 × 5,000,000,004 = 20,000,000,016
6 × 3,333,333,336 = 20,000,000,016
8 × 2,500,000,002 = 20,000,000,016
9 × 2,222,222,224 = 20,000,000,016
12 × 1,666,666,668 = 20,000,000,016
16 × 1,250,000,001 = 20,000,000,016
18 × 1,111,111,112 = 20,000,000,016
24 × 833,333,334 = 20,000,000,016
36 × 555,555,556 = 20,000,000,016
48 × 416,666,667 = 20,000,000,016
72 × 277,777,778 = 20,000,000,016
107 × 186,915,888 = 20,000,000,016
144 × 138,888,889 = 20,000,000,016
214 × 93,457,944 = 20,000,000,016
321 × 62,305,296 = 20,000,000,016
428 × 46,728,972 = 20,000,000,016
642 × 31,152,648 = 20,000,000,016
856 × 23,364,486 = 20,000,000,016
963 × 20,768,432 = 20,000,000,016
1,284 × 15,576,324 = 20,000,000,016
1,712 × 11,682,243 = 20,000,000,016
1,926 × 10,384,216 = 20,000,000,016
2,568 × 7,788,162 = 20,000,000,016
3,852 × 5,192,108 = 20,000,000,016
5,136 × 3,894,081 = 20,000,000,016
7,704 × 2,596,054 = 20,000,000,016
15,408 × 1,298,027 = 20,000,000,016
30 unique multiplications The final answer:
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