Q: What is the negative version of the number 21,513,670?
A: -21,513,670
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:
| 21,513,668 | 21,513,669 | 21,513,671 | 21,513,672 |
| -21,513,668 | -21,513,669 | -21,513,671 | -21,513,672 |