Q: What is the negative version of the number 21,781,146?
A: -21,781,146
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:
| 21,781,144 | 21,781,145 | 21,781,147 | 21,781,148 |
| -21,781,144 | -21,781,145 | -21,781,147 | -21,781,148 |