Q: What is the negative version of the number 21,949,138?
A: -21,949,138
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:
| 21,949,136 | 21,949,137 | 21,949,139 | 21,949,140 |
| -21,949,136 | -21,949,137 | -21,949,139 | -21,949,140 |