Q: What is the negative version of the number 21,564,440?
A: -21,564,440
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:
| 21,564,438 | 21,564,439 | 21,564,441 | 21,564,442 |
| -21,564,438 | -21,564,439 | -21,564,441 | -21,564,442 |