Q: What is the negative version of the number 21,564,406?
A: -21,564,406
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:
| 21,564,404 | 21,564,405 | 21,564,407 | 21,564,408 |
| -21,564,404 | -21,564,405 | -21,564,407 | -21,564,408 |