Q: What is the total or count of factors of the number 100,020,992?

 A: 18

How do I find the total factors of the number 100,020,992?

Step 1

Find the prime factorization of the number 100,020,992.

Use a factor tree to assist with solving. Take a look at our prime factorization page for additional help.

Factor Tree
100,020,992
Factor Arrows
250,010,496
Factor Arrows
225,005,248
Factor Arrows
212,502,624
Factor Arrows
26,251,312
Factor Arrows
23,125,656
Factor Arrows
21,562,828
Factor Arrows
2781,414
Factor Arrows
2390,707

The prime factorization in exponential form is: 28 x 390,7071

Step 2

Setup the equation for determining the number of factors or divisors. The equation is:

d(n) = (a + 1)(b + 1)

Where d(n) is equal to the number of divisors of the number and a, b, etc. are equal to the exponents of the prime factorization.

Now substitute the letters in the equation with the the exponents of your prime factorization and then solve to calculate the total number of divisors.

100,020,992 = 28 x 390,7071
Down Arrow
d(n) = (a + 1)(b + 1)
Down Arrow
d(100020992) = (8 + 1)(1 + 1)
Down Arrow
d(100020992) = (9)(2)
Down Arrow
d(100020992) = 18

More numbers for you to try

Take a look at the factors page to see the factors of 100,020,992 and how to find them.

Try the factor calculator.

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