Q: What is the negative version of the number 21,551,790?
A: -21,551,790
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:
| 21,551,788 | 21,551,789 | 21,551,791 | 21,551,792 |
| -21,551,788 | -21,551,789 | -21,551,791 | -21,551,792 |