Q: What is the negative version of the number 21,570,091?
A: -21,570,091
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:
| 21,570,089 | 21,570,090 | 21,570,092 | 21,570,093 |
| -21,570,089 | -21,570,090 | -21,570,092 | -21,570,093 |