Q: What is the digital root of 20,864,921

 A: 5

Why is 5 the digital root of the number 20,864,921?

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 20,864,921?


Split the number up and add each digit together:


2 + 0 + 8 + 6 + 4 + 9 + 2 + 1 = 32

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

3 + 2 = 5

What is the digital root of number 20,864,921?

Answer: 5


More Examples

Number 20,864,91920,864,92020,864,92220,864,923
Digital Root 3467

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