Q: What is the digital root of 100,040,103

 A: 9

Why is 9 the digital root of the number 100,040,103?

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 100,040,103?


Split the number up and add each digit together:


1 + 0 + 0 + 0 + 4 + 0 + 1 + 0 + 3 = 9


What is the digital root of number 100,040,103?

Answer: 9


More Examples

Number 100,040,101100,040,102100,040,104100,040,105
Digital Root 7812

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