Q: What is the digital root of 2,400,400

 A: 1

Why is 1 the digital root of the number 2,400,400?

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 2,400,400?


Split the number up and add each digit together:


2 + 4 + 0 + 0 + 4 + 0 + 0 = 10

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

1 + 0 = 1

What is the digital root of number 2,400,400?

Answer: 1


More Examples

Number 2,400,3982,400,3992,400,4012,400,402
Digital Root 8923

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