Question: how much is 1 yottabyte?
Answer: A yottabyte (YB) is a measure of theoretical storage capacity equal to 2 to the 80th power bytes or, in decimal, approximately 1,000 zettabytes, a trillion terabytes (TB) or a million trillion megabytes. Approximately 1,024 yottabytes make up a brontobyte. The prefix yotta is based on the Greek letter iota.