yotta-(redirected from 1000000000000000000000000 (number))
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Prefix used in the metric system and SI to signify one septillion (1024 ).
[y- + It. otto, eight (yotta- being 8th in the series of SI multiple prefixes)]
yotta-[Fm. octo-, representing the eighth power of a thousand]
In the International System of Units (SI), a prefix signifying 1024.