Q: What is the total or count of factors of the number 100,220,032?

A: 128

How do I find the total factors of the number 100,220,032?

Step 1

Find the prime factorization of the number 100,220,032.

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

Factor Tree

	100,220,032

2		50,110,016

	2		25,055,008

		2		12,527,504

			2		6,263,752

				2		3,131,876

					2		1,565,938

						2		782,969

							11		71,179

								17		4,187

									53		79

The prime factorization in exponential form is: 2⁷ x 11¹ x 17¹ x 53¹ x 79¹

Step 2

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

d(n) = (a + 1)(b + 1)(c + 1)(d + 1)(e + 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.

100,220,032 = 2⁷ x 11¹ x 17¹ x 53¹ x 79¹

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

d(100220032) = (7 + 1)(1 + 1)(1 + 1)(1 + 1)(1 + 1)

d(100220032) = (8)(2)(2)(2)(2)

d(100220032) = 128

More numbers for you to try

Take a look at the factors page to see the factors of 100,220,032 and how to find them.

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