Q: What is the negative version of the number 21,645,686?
A: -21,645,686
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:
| 21,645,684 | 21,645,685 | 21,645,687 | 21,645,688 |
| -21,645,684 | -21,645,685 | -21,645,687 | -21,645,688 |