To find all the divisors of the number 1,000,000,089:
- 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 1,000,000,089:
The prime factorization of a number: finding the prime numbers that multiply together to make that number.
1,000,000,089 = 32 × 11 × 541 × 18,671
1,000,000,089 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) = 3 × 2 × 2 × 2 = 24
But to actually calculate the factors, see below...
2. Multiply the prime factors of the number 1,000,000,089
- 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
composite factor = 3
2 =
9
prime factor =
11
composite factor = 3 × 11 =
33
composite factor = 3
2 × 11 =
99
prime factor =
541
composite factor = 3 × 541 =
1,623
composite factor = 3
2 × 541 =
4,869
composite factor = 11 × 541 =
5,951
composite factor = 3 × 11 × 541 =
17,853
prime factor =
18,671
This list continues below...
... This list continues from above
composite factor = 3
2 × 11 × 541 =
53,559
composite factor = 3 × 18,671 =
56,013
composite factor = 3
2 × 18,671 =
168,039
composite factor = 11 × 18,671 =
205,381
composite factor = 3 × 11 × 18,671 =
616,143
composite factor = 3
2 × 11 × 18,671 =
1,848,429
composite factor = 541 × 18,671 =
10,101,011
composite factor = 3 × 541 × 18,671 =
30,303,033
composite factor = 3
2 × 541 × 18,671 =
90,909,099
composite factor = 11 × 541 × 18,671 =
111,111,121
composite factor = 3 × 11 × 541 × 18,671 =
333,333,363
composite factor = 3
2 × 11 × 541 × 18,671 =
1,000,000,089
24 factors (divisors)
What times what is 1,000,000,089?
What number multiplied by what number equals 1,000,000,089?
All the combinations of any two natural numbers whose product equals 1,000,000,089.
1 × 1,000,000,089 = 1,000,000,089
3 × 333,333,363 = 1,000,000,089
9 × 111,111,121 = 1,000,000,089
11 × 90,909,099 = 1,000,000,089
33 × 30,303,033 = 1,000,000,089
99 × 10,101,011 = 1,000,000,089
541 × 1,848,429 = 1,000,000,089
1,623 × 616,143 = 1,000,000,089
4,869 × 205,381 = 1,000,000,089
5,951 × 168,039 = 1,000,000,089
17,853 × 56,013 = 1,000,000,089
18,671 × 53,559 = 1,000,000,089
12 unique multiplications The final answer:
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