Q: What is the digital root of 21,479,089

 A: 4

Why is 4 the digital root of the number 21,479,089?

The digital root of a number is calculated by splitting the digits of a number and then adding them together. You keep splitting and adding the digits until you reach a single positive number.

How do you calculate the digital root of 21,479,089?


Split the number up and add each digit together:


2 + 1 + 4 + 7 + 9 + 0 + 8 + 9 = 40

If the answer is more than one digit, you would add each digit of the answer together again:

4 + 0 = 4

What is the digital root of number 21,479,089?

Answer: 4


More Examples

Number 21,479,08721,479,08821,479,09021,479,091
Digital Root 2356

Explore more about the number 21,479,089:


Ask a Question