Q: What is the digital root of 257,365,722

 A: 3

Why is 3 the digital root of the number 257,365,722?

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 257,365,722?


Split the number up and add each digit together:


2 + 5 + 7 + 3 + 6 + 5 + 7 + 2 + 2 = 39

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

3 + 9 = 12

The answer is more than one digit again, we need to add each digit one more time:

1 + 2 = 3

What is the digital root of number 257,365,722?

Answer: 3


More Examples

Number 257,365,720257,365,721257,365,723257,365,724
Digital Root 1245

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