Q: What is the total or count of factors of the number 111,778,128?

A: 240

How do I find the total factors of the number 111,778,128?

Step 1

Find the prime factorization of the number 111,778,128.

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

Factor Tree

	111,778,128

2		55,889,064

	2		27,944,532

		2		13,972,266

			2		6,986,133

				3		2,328,711

					3		776,237

						7		110,891

							11		10,081

								17		593

The prime factorization in exponential form is: 2⁴ x 3² x 7¹ x 11¹ x 17¹ x 593¹

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)(f + 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.

111,778,128 = 2⁴ x 3² x 7¹ x 11¹ x 17¹ x 593¹

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

d(111778128) = (4 + 1)(2 + 1)(1 + 1)(1 + 1)(1 + 1)(1 + 1)

d(111778128) = (5)(3)(2)(2)(2)(2)

d(111778128) = 240

More numbers for you to try

Take a look at the factors page to see the factors of 111,778,128 and how to find them.

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