What is 1 with 15 zeros?

Learn how to shorten, say, and write 1 with 15 zeros!

In Numbers
1 with 15 zeros written out with all the zeros looks like this:

1 000 000 000 000 000

10 to the Power Of
This is how to write 1 with 15 zeros to ten to the power of:

1 x 10¹⁵

Scientific e Notation
You can also shorten 1 with 15 zeros down further to Scientific e Notation as follows:

1e15

Verbally
However, what most want to know, is how to read and say it correctly. The number 1 with 15 zeros is:

One Quadrillion

Big Numbers
Enter another number and how many zeros it has here:

What is 1 with 16 zeros?
Check out the next big number on our list that we tackled.