Q: What is the negative version of the number 15,666,809?
A: -15,666,809
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:
| 15,666,807 | 15,666,808 | 15,666,810 | 15,666,811 |
| -15,666,807 | -15,666,808 | -15,666,810 | -15,666,811 |