Q: What is the negative version of the number 21,813,731?
A: -21,813,731
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:
| 21,813,729 | 21,813,730 | 21,813,732 | 21,813,733 |
| -21,813,729 | -21,813,730 | -21,813,732 | -21,813,733 |