Q: What is the negative version of the number 15,581,021?
A: -15,581,021
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:
| 15,581,019 | 15,581,020 | 15,581,022 | 15,581,023 |
| -15,581,019 | -15,581,020 | -15,581,022 | -15,581,023 |