Q: What is the digital root of 10,400,555

 A: 2

Why is 2 the digital root of the number 10,400,555?

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 10,400,555?


Split the number up and add each digit together:


1 + 0 + 4 + 0 + 0 + 5 + 5 + 5 = 20

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

2 + 0 = 2

What is the digital root of number 10,400,555?

Answer: 2


More Examples

Number 10,400,55310,400,55410,400,55610,400,557
Digital Root 9134

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