Q: What is the negative version of the number 21,438,619?
A: -21,438,619
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:
| 21,438,617 | 21,438,618 | 21,438,620 | 21,438,621 |
| -21,438,617 | -21,438,618 | -21,438,620 | -21,438,621 |