Q: What is the negative version of the number 21,091,015?
A: -21,091,015
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:
| 21,091,013 | 21,091,014 | 21,091,016 | 21,091,017 |
| -21,091,013 | -21,091,014 | -21,091,016 | -21,091,017 |