Q: What is the digital root of 91,871,087

 A: 5

Why is 5 the digital root of the number 91,871,087?

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 91,871,087?


Split the number up and add each digit together:


9 + 1 + 8 + 7 + 1 + 0 + 8 + 7 = 41

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

4 + 1 = 5

What is the digital root of number 91,871,087?

Answer: 5


More Examples

Number 91,871,08591,871,08691,871,08891,871,089
Digital Root 3467

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