Q: What is the total or count of factors of the number 355,005,456?

A: 120

How do I find the total factors of the number 355,005,456?

Step 1

Find the prime factorization of the number 355,005,456.

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

Factor Tree

	355,005,456

2		177,502,728

	2		88,751,364

		2		44,375,682

			2		22,187,841

				3		7,395,947

					13		568,919

						13		43,763

							107		409

The prime factorization in exponential form is: 2⁴ x 3¹ x 13² x 107¹ x 409¹

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.

355,005,456 = 2⁴ x 3¹ x 13² x 107¹ x 409¹

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

d(355005456) = (4 + 1)(1 + 1)(2 + 1)(1 + 1)(1 + 1)

d(355005456) = (5)(2)(3)(2)(2)

d(355005456) = 120

More numbers for you to try

Take a look at the factors page to see the factors of 355,005,456 and how to find them.

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