Q: What is the negative version of the number 19,690,139?
A: -19,690,139
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:
| 19,690,137 | 19,690,138 | 19,690,140 | 19,690,141 |
| -19,690,137 | -19,690,138 | -19,690,140 | -19,690,141 |