Q: What is the digital root of 457,637,655

 A: 3

Why is 3 the digital root of the number 457,637,655?

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 457,637,655?


Split the number up and add each digit together:


4 + 5 + 7 + 6 + 3 + 7 + 6 + 5 + 5 = 48

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

4 + 8 = 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 457,637,655?

Answer: 3


More Examples

Number 457,637,653457,637,654457,637,656457,637,657
Digital Root 1245

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