Q: What is the digital root of 21,003,001

 A: 7

Why is 7 the digital root of the number 21,003,001?

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 21,003,001?


Split the number up and add each digit together:


2 + 1 + 0 + 0 + 3 + 0 + 0 + 1 = 7


What is the digital root of number 21,003,001?

Answer: 7


More Examples

Number 21,002,99921,003,00021,003,00221,003,003
Digital Root 5689

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