Millionth
One millionth is equal to 0.000 001, or 1 x 10−6 in scientific notation. It is the reciprocal of a million, and can be also written as 1⁄1,000,000.[1] Units using this fraction can be indicated using the prefix "micro-" from Greek, meaning "small".[2] Numbers of this quantity are expressed in terms of μ (the Greek letter mu).[3]
"Millionth" can also mean the ordinal number that comes after the nine hundred, ninety-nine thousand, nine hundred, ninety-ninth and before the million and first.[4]
See also
- International System of Units
- Micro-
- International Map of the World
- Order of magnitude (numbers)
- Order of magnitude
- Parts-per notation
- Per mille
References
- ^ Laidler, Keith J. (30 December 2011), Science and Sensibility: The Elegant Logic of the Universe, Prometheus Books, p. 15, ISBN 9781615927036.
- ^ The American Heritage Guide to Contemporary Usage and Style, Houghton Mifflin Company, 2005, p. 300, ISBN 9780618604999.
- ^ Handley, Brett; Coon, Craig; Marshall, David (2011), Principles of Engineering, Cengage Learning, p. 212, ISBN 9781435428362.
- ^ Hurford, James R. (1994), Grammar: A Student's Guide, Cambridge University Press, p. 146, ISBN 9780521456272.
Preceded by Thousandth | Decimal orders of magnitude | Succeeded by Billionth |
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Orders of magnitude
- Acceleration
- Angular momentum
- Area
- Bit rate
- Charge
- Computing
- Current
- Data
- Density
- Energy / Energy density
- Entropy
- Force
- Frequency
- Illuminance
- Length
- Luminance
- Magnetic moment
- Magnetic field
- Mass
- Molarity
- Numbers
- Power
- Pressure
- Probability
- Radiation
- Sound pressure
- Specific heat capacity
- Speed
- Temperature
- Torque
- Time
- Voltage
- Volume
- Back-of-the-envelope calculation
- Best-selling electronic devices
- Fermi problem
- Powers of 10 and decades
- Metric (SI) prefix
- Macroscopic scale
- Microscopic scale
- Astronomical system of units
- Earth's location in the Universe
- Cosmic View (1957 book)
- To the Moon and Beyond (1964 film)
- Cosmic Zoom (1968 film)
- Powers of Ten (1968 and 1977 films)
- Cosmic Voyage (1996 documentary)
- The Scale of the Universe (2010)
- Cosmic Eye (2012)
- Category
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