To find all the divisors of the number 1,416,666,669:
- 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 1,416,666,669:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
1,416,666,669 = 3 × 112 × 23 × 169,681
1,416,666,669 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) × (2 + 1) × (1 + 1) × (1 + 1) = 2 × 3 × 2 × 2 = 24
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 1,416,666,669
- 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 =
3
prime factor =
11
prime factor =
23
composite factor = 3 × 11 =
33
composite factor = 3 × 23 =
69
composite factor = 11
2 =
121
composite factor = 11 × 23 =
253
composite factor = 3 × 11
2 =
363
composite factor = 3 × 11 × 23 =
759
composite factor = 11
2 × 23 =
2,783
composite factor = 3 × 11
2 × 23 =
8,349
This list continues below...
... This list continues from above
prime factor =
169,681
composite factor = 3 × 169,681 =
509,043
composite factor = 11 × 169,681 =
1,866,491
composite factor = 23 × 169,681 =
3,902,663
composite factor = 3 × 11 × 169,681 =
5,599,473
composite factor = 3 × 23 × 169,681 =
11,707,989
composite factor = 11
2 × 169,681 =
20,531,401
composite factor = 11 × 23 × 169,681 =
42,929,293
composite factor = 3 × 11
2 × 169,681 =
61,594,203
composite factor = 3 × 11 × 23 × 169,681 =
128,787,879
composite factor = 11
2 × 23 × 169,681 =
472,222,223
composite factor = 3 × 11
2 × 23 × 169,681 =
1,416,666,669
24 factors (divisors)
What times what is 1,416,666,669?
What number multiplied by what number equals 1,416,666,669?
All the combinations of any two natural numbers whose product equals 1,416,666,669.
1 × 1,416,666,669 = 1,416,666,669
3 × 472,222,223 = 1,416,666,669
11 × 128,787,879 = 1,416,666,669
23 × 61,594,203 = 1,416,666,669
33 × 42,929,293 = 1,416,666,669
69 × 20,531,401 = 1,416,666,669
121 × 11,707,989 = 1,416,666,669
253 × 5,599,473 = 1,416,666,669
363 × 3,902,663 = 1,416,666,669
759 × 1,866,491 = 1,416,666,669
2,783 × 509,043 = 1,416,666,669
8,349 × 169,681 = 1,416,666,669
12 unique multiplications The final answer:
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