Q: What is the negative version of the number 21,091,972?
A: -21,091,972
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:
| 21,091,970 | 21,091,971 | 21,091,973 | 21,091,974 |
| -21,091,970 | -21,091,971 | -21,091,973 | -21,091,974 |