Is 575.230 terabytes as much as a Floppy Disk (3½-in)?
It's about 450,000,000 times as much as a Floppy Disk (3½-in)
The amount of a Floppy Disk (3½-in) is about 0.00000134110 terabytes.
(high density, IBM PC format)
Despite common reference to them as "1.44" megabyte (mB) disks, the actual capacity of the most common model of a 3&-in (8.9 cm) floppy disk is 0.00000134110 terabytes. At the height of their use 1996, there were an estimated five billion disks in use — nearly one for each person on Earth at the time.
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