Q: What is the digital root of 337,666,473

 A: 9

Why is 9 the digital root of the number 337,666,473?

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 337,666,473?


Split the number up and add each digit together:


3 + 3 + 7 + 6 + 6 + 6 + 4 + 7 + 3 = 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 337,666,473?

Answer: 9


More Examples

Number 337,666,471337,666,472337,666,474337,666,475
Digital Root 7812

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