Q: What is the negative version of the number 21,170,831?
A: -21,170,831
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 21,170,829 | 21,170,830 | 21,170,832 | 21,170,833 |
| -21,170,829 | -21,170,830 | -21,170,832 | -21,170,833 |