Q: What is the negative version of the number 21,688,889?
A: -21,688,889
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:
| 21,688,887 | 21,688,888 | 21,688,890 | 21,688,891 |
| -21,688,887 | -21,688,888 | -21,688,890 | -21,688,891 |