Q: What is the digital root of 21,731,020
A: 7
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.
Split the number up and add each digit together:
If the answer is more than one digit, you would add each digit of the answer together again:
What is the digital root of number 21,731,020?
Answer: 7
Number | 21,731,018 | 21,731,019 | 21,731,021 | 21,731,022 |
Digital Root | 5 | 6 | 8 | 9 |