Q: What is the negative version of the number 21,154,571?
A: -21,154,571
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:
| 21,154,569 | 21,154,570 | 21,154,572 | 21,154,573 |
| -21,154,569 | -21,154,570 | -21,154,572 | -21,154,573 |