Q: What is the digital root of 40,687,398

 A: 9

Why is 9 the digital root of the number 40,687,398?

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 40,687,398?


Split the number up and add each digit together:


4 + 0 + 6 + 8 + 7 + 3 + 9 + 8 = 45

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

4 + 5 = 9

What is the digital root of number 40,687,398?

Answer: 9


More Examples

Number 40,687,39640,687,39740,687,39940,687,400
Digital Root 7812

Explore more about the number 40,687,398:


Ask a Question