Q: What is the digital root of 21,500,100
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:
What is the digital root of number 21,500,100?
Answer: 9
Number | 21,500,098 | 21,500,099 | 21,500,101 | 21,500,102 |
Digital Root | 7 | 8 | 1 | 2 |