Q: What is the negative version of the number 21,187,815?
A: -21,187,815
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:
| 21,187,813 | 21,187,814 | 21,187,816 | 21,187,817 |
| -21,187,813 | -21,187,814 | -21,187,816 | -21,187,817 |