Q: What is the negative version of the number 21,867,391?
A: -21,867,391
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:
| 21,867,389 | 21,867,390 | 21,867,392 | 21,867,393 |
| -21,867,389 | -21,867,390 | -21,867,392 | -21,867,393 |