Q: What is the digital root of 356,621,668

 A: 7

Why is 7 the digital root of the number 356,621,668?

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 356,621,668?


Split the number up and add each digit together:


3 + 5 + 6 + 6 + 2 + 1 + 6 + 6 + 8 = 43

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

4 + 3 = 7

What is the digital root of number 356,621,668?

Answer: 7


More Examples

Number 356,621,666356,621,667356,621,669356,621,670
Digital Root 5689

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