Q: What is the negative version of the number 21,402,638?
A: -21,402,638
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:
| 21,402,636 | 21,402,637 | 21,402,639 | 21,402,640 |
| -21,402,636 | -21,402,637 | -21,402,639 | -21,402,640 |