Q: What is the digital root of 21,668,340

 A: 3

Why is 3 the digital root of the number 21,668,340?

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 21,668,340?


Split the number up and add each digit together:


2 + 1 + 6 + 6 + 8 + 3 + 4 + 0 = 30

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

3 + 0 = 3

What is the digital root of number 21,668,340?

Answer: 3


More Examples

Number 21,668,33821,668,33921,668,34121,668,342
Digital Root 1245

Explore more about the number 21,668,340:


Ask a Question