Q: What is the total or count of factors of the number 64,185,264?

A: 160

How do I find the total factors of the number 64,185,264?

Step 1

Find the prime factorization of the number 64,185,264.

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

Factor Tree

	64,185,264

2		32,092,632

	2		16,046,316

		2		8,023,158

			2		4,011,579

				3		1,337,193

					3		445,731

						3		148,577

							11		13,507

								13		1,039

The prime factorization in exponential form is: 2⁴ x 3³ x 11¹ x 13¹ x 1,039¹

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.

64,185,264 = 2⁴ x 3³ x 11¹ x 13¹ x 1,039¹

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

d(64185264) = (4 + 1)(3 + 1)(1 + 1)(1 + 1)(1 + 1)

d(64185264) = (5)(4)(2)(2)(2)

d(64185264) = 160

More numbers for you to try

Take a look at the factors page to see the factors of 64,185,264 and how to find them.

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