Q: What is the negative version of the number 61,990,640?
A: -61,990,640
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:
61,990,638 | 61,990,639 | 61,990,641 | 61,990,642 |
-61,990,638 | -61,990,639 | -61,990,641 | -61,990,642 |