To find all the divisors of the number 400,000,044:
- 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 400,000,044:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
400,000,044 = 22 × 3 × 37 × 163 × 5,527
400,000,044 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 400,000,044
- 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
2 × 3 =
12
prime factor =
37
composite factor = 2 × 37 =
74
composite factor = 3 × 37 =
111
composite factor = 2
2 × 37 =
148
prime factor =
163
composite factor = 2 × 3 × 37 =
222
composite factor = 2 × 163 =
326
composite factor = 2
2 × 3 × 37 =
444
composite factor = 3 × 163 =
489
composite factor = 2
2 × 163 =
652
composite factor = 2 × 3 × 163 =
978
composite factor = 2
2 × 3 × 163 =
1,956
prime factor =
5,527
composite factor = 37 × 163 =
6,031
composite factor = 2 × 5,527 =
11,054
composite factor = 2 × 37 × 163 =
12,062
composite factor = 3 × 5,527 =
16,581
composite factor = 3 × 37 × 163 =
18,093
This list continues below...
... This list continues from above
composite factor = 2
2 × 5,527 =
22,108
composite factor = 2
2 × 37 × 163 =
24,124
composite factor = 2 × 3 × 5,527 =
33,162
composite factor = 2 × 3 × 37 × 163 =
36,186
composite factor = 2
2 × 3 × 5,527 =
66,324
composite factor = 2
2 × 3 × 37 × 163 =
72,372
composite factor = 37 × 5,527 =
204,499
composite factor = 2 × 37 × 5,527 =
408,998
composite factor = 3 × 37 × 5,527 =
613,497
composite factor = 2
2 × 37 × 5,527 =
817,996
composite factor = 163 × 5,527 =
900,901
composite factor = 2 × 3 × 37 × 5,527 =
1,226,994
composite factor = 2 × 163 × 5,527 =
1,801,802
composite factor = 2
2 × 3 × 37 × 5,527 =
2,453,988
composite factor = 3 × 163 × 5,527 =
2,702,703
composite factor = 2
2 × 163 × 5,527 =
3,603,604
composite factor = 2 × 3 × 163 × 5,527 =
5,405,406
composite factor = 2
2 × 3 × 163 × 5,527 =
10,810,812
composite factor = 37 × 163 × 5,527 =
33,333,337
composite factor = 2 × 37 × 163 × 5,527 =
66,666,674
composite factor = 3 × 37 × 163 × 5,527 =
100,000,011
composite factor = 2
2 × 37 × 163 × 5,527 =
133,333,348
composite factor = 2 × 3 × 37 × 163 × 5,527 =
200,000,022
composite factor = 2
2 × 3 × 37 × 163 × 5,527 =
400,000,044
48 factors (divisors)
What times what is 400,000,044?
What number multiplied by what number equals 400,000,044?
All the combinations of any two natural numbers whose product equals 400,000,044.
1 × 400,000,044 = 400,000,044
2 × 200,000,022 = 400,000,044
3 × 133,333,348 = 400,000,044
4 × 100,000,011 = 400,000,044
6 × 66,666,674 = 400,000,044
12 × 33,333,337 = 400,000,044
37 × 10,810,812 = 400,000,044
74 × 5,405,406 = 400,000,044
111 × 3,603,604 = 400,000,044
148 × 2,702,703 = 400,000,044
163 × 2,453,988 = 400,000,044
222 × 1,801,802 = 400,000,044
326 × 1,226,994 = 400,000,044
444 × 900,901 = 400,000,044
489 × 817,996 = 400,000,044
652 × 613,497 = 400,000,044
978 × 408,998 = 400,000,044
1,956 × 204,499 = 400,000,044
5,527 × 72,372 = 400,000,044
6,031 × 66,324 = 400,000,044
11,054 × 36,186 = 400,000,044
12,062 × 33,162 = 400,000,044
16,581 × 24,124 = 400,000,044
18,093 × 22,108 = 400,000,044
24 unique multiplications The final answer:
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