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Yotta-

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Title: Yotta-  
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Subject: Binary prefix, YJ, Otta, Ys (disambiguation), Centi-
Collection: Metric Prefixes, Si Prefixes
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Yotta-

Yotta is the largest decimal unit prefix in the metric system, denoting a factor of 1024 or 1000000000000000000000000. It has the unit symbol Y. The prefix name is derived from the Greek οκτώ (októ), meaning eight, because it is equal to 10008. It was added as an SI prefix to the International System of Units (SI) in 1991.[1]

Usage examples:

  • The mass of the Earth is 5.9726 Yg.[2]
  • The mass of the oceans is about 1.4 Yg.[3]
  • The total power output of the Sun is approximately 385 YW.[4]
  • The observable universe is estimated to be 880 Ym in diameter.[5]
  • One yottabyte (YB) is a unit of digital information or information storage capacity that contains one septillion bytes or 1,000 zettabytes. The yobibyte (YiB) is a related unit that uses a binary prefix, and means 10248 bytes, which is approximately 1.2 septillion bytes.
Prefix 1000m 10n Decimal English word Adoption[nb 1]
Name Symbol Short scale Long scale
yotta Y  10008  1024 1000000000000000000000000  septillion  quadrillion 1991
zetta Z  10007  1021 1000000000000000000000  sextillion  thousand trillion or trilliard 1991
exa E  10006  1018 1000000000000000000  quintillion  trillion 1975
peta P  10005  1015 1000000000000000  quadrillion  thousand billion or billiard 1975
tera T  10004  1012 1000000000000  trillion  billion 1960
giga G  10003  109 1000000000  billion  thousand million or milliard 1960
mega M  10002  106 1000000             million 1960 (1873)
kilo k  10001  103 1000             thousand 1960 (1795)
hecto h  10002/3  102 100             hundred 1960 (1795)
deca da  10001/3  101 10             ten 1960 (1795)
 10000  100 1             one –
deci d  1000−1/3  10−1 0.1             tenth 1960 (1795)
centi c  1000−2/3   10−2 0.01             hundredth 1960 (1795)
milli m  1000−1  10−3 0.001             thousandth 1960 (1795)
micro μ  1000−2  10−6 0.000001             millionth 1960 (1873)
nano n  1000−3  10−9 0.000000001  billionth  thousand millionth 1960
pico p  1000−4  10−12 0.000000000001  trillionth  billionth 1960
femto f  1000−5  10−15 0.000000000000001  quadrillionth  thousand billionth 1964
atto a  1000−6  10−18 0.000000000000000001  quintillionth  trillionth 1964
zepto z  1000−7  10−21 0.000000000000000000001  sextillionth  thousand trillionth 1991
yocto y  1000−8  10−24  0.000000000000000000000001  septillionth  quadrillionth  1991
  1. ^ The metric system was introduced in 1795 with several metric prefixes, of which, however, only six were adopted as SI prefixes by the 11th CGPM conference in 1960, whereas myria (104) as well as double and demi were not adopted. In 1873, micro and mega were recommended by the British Association for the Advancement of Science. The other dates relate to recognition by a resolution of the CGPM.

See also

References

  1. ^ "Resolution 4 of the 19th CGPM (Conférence Générale des Poids et Mesures)". BIPM (Bureau International des Poids et Mesures). 
  2. ^ Williams, David R. "Earth fact sheet". Earth fact sheet. NASA. Retrieved 31 October 2015. 
  3. ^ Kennish, Michael J. (2001). Practical handbook of marine science. Marine science series (3rd ed.). CRC Press. p. 35.  
  4. ^ http://www.wolframalpha.com/input/?i=+total+power+output+of+the+Sun
  5. ^ http://www.wolframalpha.com/input/?i=size+of+universe By a simple units conversion, 8.8×1023km = 8.8×1026m = 880×1024m = 880 Ym

External links

  • BIPM website
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