Q: What is the negative version of the number 15,811,491?
A: -15,811,491
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:
| 15,811,489 | 15,811,490 | 15,811,492 | 15,811,493 |
| -15,811,489 | -15,811,490 | -15,811,492 | -15,811,493 |