Q: What is the negative version of the number 21,857,519?
A: -21,857,519
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:
| 21,857,517 | 21,857,518 | 21,857,520 | 21,857,521 |
| -21,857,517 | -21,857,518 | -21,857,520 | -21,857,521 |