Q: What is the total or count of factors of the number 31,783,428?

 A: 72

How do I find the total factors of the number 31,783,428?

Step 1

Find the prime factorization of the number 31,783,428.

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

Factor Tree
31,783,428
Factor Arrows
215,891,714
Factor Arrows
27,945,857
Factor Arrows
32,648,619
Factor Arrows
3882,873
Factor Arrows
3294,291
Factor Arrows
398,097
Factor Arrows
332,699
Factor Arrows
191,721

The prime factorization in exponential form is: 22 x 35 x 191 x 1,7211

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.

31,783,428 = 22 x 35 x 191 x 1,7211
Down Arrow
d(n) = (a + 1)(b + 1)(c + 1)(d + 1)
Down Arrow
d(31783428) = (2 + 1)(5 + 1)(1 + 1)(1 + 1)
Down Arrow
d(31783428) = (3)(6)(2)(2)
Down Arrow
d(31783428) = 72

More numbers for you to try

Take a look at the factors page to see the factors of 31,783,428 and how to find them.

Try the factor calculator.

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