Q: What is the negative version of the number 21,388,931?
A: -21,388,931
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:
| 21,388,929 | 21,388,930 | 21,388,932 | 21,388,933 |
| -21,388,929 | -21,388,930 | -21,388,932 | -21,388,933 |