Measurement: SI / Metric unit of decimal measurement, equal to 1021 or 1,000,000,000,000,000,000,000.
A unit prefix equivalent to 1021. Symbol: .
The prefix representing the number 1,000,000,000,000,000,000,000
metric prefix meaning X 1,000,000,000,000,000,000,000.
A prefix indicating 1021; a sextillion.
Symbol: Z A prefix denoting 1021. For example, 1 zettameter (Zm) = 1021 meter (m). [DC
A prefix meaning 1021 or 1,000,000,000,000,000,000,000
prefix A metric prefix meaning 1021 (one sextillion in the American system).
Z) is an SI prefix in the SI (system of units) denoting 1021 or 1 000 000 000 000 000 000 000.