Q: What is the negative version of the number 21,688,554?
A: -21,688,554
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:
| 21,688,552 | 21,688,553 | 21,688,555 | 21,688,556 |
| -21,688,552 | -21,688,553 | -21,688,555 | -21,688,556 |