Exabytes means Quintillion bytes. Exameter means Quintillion meters.

How much is quintillion?

A quintillion is equal to 1 followed by 18 zeros, or a million trillions or a billion billions, or a million million millions.

How many terabytes are in a quintillion byte?

Now for the math: a single EB holds 1,024 PB or 1,048,576 TB. That's over 1 quintillion bytes! We had to look up quintillion—yes, it's a number!