Q: What is the negative version of the number 21,493,638?
A: -21,493,638
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:
| 21,493,636 | 21,493,637 | 21,493,639 | 21,493,640 |
| -21,493,636 | -21,493,637 | -21,493,639 | -21,493,640 |