20 terabytes is 20,480 gigabytes.
1,000,000,000,000,000
1 petabyte (PB) = 1,000,000,000,000,000 bytes = 1015 bytes. 1 megabyte (MB) = 1,000,000 bytes = 106 bytes. So 1 petabyte = 1,000,000,000 megabytes. A related unit, the pebibyte (PiB) is 1024 terabytes, but this is rarely used, if ever.
1MB = 8,388,608 Bits 1MB = 1,048,576 Bytes 1MB = 1024 Kilobytes
I don't know how to measure computer storage space in any units other than those you've already used. I guess I could give the value in bytes. A petabyte is 250 bytes, or (roughly) 1015 bytes.
A petabyte (PB) is equal to 1,024 terabytes (TB), so 1,024 petabytes is equivalent to 1 exabyte (EB). In terms of bytes, 1 petabyte is approximately 1,024^5 bytes, which equals about 1,125,899,906,842,624 bytes. Therefore, 1,024 petabytes equals approximately 1,125,899,906,842,624,000,000 bytes, or 1.125 exabytes.
PB = PetaByte = 2 to the 50th = 1,125,899,906,842,624 bytes
1 PB = 1,000,000,000,000,000 B = 10005 B = 1015 bytes. 1,000,000 gigabytes http://en.wikipedia.org/wiki/Petabyte
As far as I know, there is no Pentabyte, but Petabyte. A Petabyte is equal to 1 048 576, or 2^20 Gigabytes.
0.01953 gigabytes equals 20 megabytes
* 1 byte = 8 bits * 1 kilobyte (K / Kb) = 2^10 bytes = 1,024 bytes * 1 megabyte (M / MB) = 2^20 bytes = 1,048,576 bytes * 1 gigabyte (G / GB) = 2^30 bytes = 1,073,741,824 bytes * 1 terabyte (T / TB) = 2^40 bytes = 1,099,511,627,776 bytes * 1 petabyte (P / PB) = 2^50 bytes = 1,125,899,906,842,624 bytes * 1 exabyte (E / EB) = 2^60 bytes = 1,152,921,504,606,846,976 bytes taken from beesky.com
A petabyte is a unit of digital information storage equal to 1,024 terabytes, or approximately 1 quadrillion bytes (1,000,000,000,000,000 bytes). In terms of data, a petabyte can store about 500 billion pages of standard text or roughly 200,000 high-definition movies. It is commonly used to measure large data sets in fields such as big data analytics and cloud storage.
Computer memory is divided into various sizes. A kilobyte (KB) is approximately 1000 bytes (the exact number is 1024)