Q: What is the negative version of the number 21,091,519?
A: -21,091,519
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:
| 21,091,517 | 21,091,518 | 21,091,520 | 21,091,521 |
| -21,091,517 | -21,091,518 | -21,091,520 | -21,091,521 |