Q: What is the digital root of 215,103,555
A: 9
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 215,103,555?
Answer: 9
Number | 215,103,553 | 215,103,554 | 215,103,556 | 215,103,557 |
Digital Root | 7 | 8 | 1 | 2 |