Q: What is the total or count of factors of the number 721,434,232?

A: 48

How do I find the total factors of the number 721,434,232?

Step 1

Find the prime factorization of the number 721,434,232.

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

Factor Tree

	721,434,232

2		360,717,116

	2		180,358,558

		2		90,179,279

			31		2,909,009

				31		93,839

					107		877

The prime factorization in exponential form is: 2³ x 31² x 107¹ x 877¹

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)

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.

721,434,232 = 2³ x 31² x 107¹ x 877¹

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

d(721434232) = (3 + 1)(2 + 1)(1 + 1)(1 + 1)

d(721434232) = (4)(3)(2)(2)

d(721434232) = 48

More numbers for you to try

Take a look at the factors page to see the factors of 721,434,232 and how to find them.

Try the factor calculator.

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