Q: What is the total or count of factors of the number 145,523,550?

A: 48

How do I find the total factors of the number 145,523,550?

Step 1

Find the prime factorization of the number 145,523,550.

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

Factor Tree

	145,523,550

2		72,761,775

	3		24,253,925

		5		4,850,785

			5		970,157

				103		9,419

The prime factorization in exponential form is: 2¹ x 3¹ x 5² x 103¹ x 9,419¹

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.

145,523,550 = 2¹ x 3¹ x 5² x 103¹ x 9,419¹

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

d(145523550) = (1 + 1)(1 + 1)(2 + 1)(1 + 1)(1 + 1)

d(145523550) = (2)(2)(3)(2)(2)

d(145523550) = 48

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Take a look at the factors page to see the factors of 145,523,550 and how to find them.

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