Q: What is the digital root of 221,040

 A: 9

Why is 9 the digital root of the number 221,040?

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 221,040?


Split the number up and add each digit together:


2 + 2 + 1 + 0 + 4 + 0 = 9


What is the digital root of number 221,040?

Answer: 9


More Examples

Number 221,038221,039221,041221,042
Digital Root 7812

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