Octillion

An octillion is equal to 1027 in America, or 1048 in France and Germany.Merriam-Webster Dictionary OctillionConway and Guy. The Book of Numbers. Copernicus. 1995. ISBN 978-0387979939 p.14Octillion at Wolfram MathWorld
In the long scale, 1027 is called quadrilliard, which is commonly used in France and Germany.
Both Russ Rowlett's Greek-based naming systemRuss Rowlett　Names for Large Numbers　Archived 2006-01-10. and Aarex Tiaokhiao's googology siteAarex Tiaokhiao's illion numbers give the name ennillion for this number.
Wikia user NumLynx gave the name nonasand for this number's short scale value.
The number (in short scale) is also called tre-bitillion by SuperJedi224.https://sites.google.com/site/sjpgoogol/illions
It is 28 digits long in short scale, and 49 digits long in long scale.
== Decimal ==
*1,000,000,000,000,000,000,000,000,000 - short scale 
*1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 - long scale
== Examples ==
*The new SI prefix ronna- multiplies by one octillion.
*The earth has a mass of about 5.98 octillion grams.
*The mass of the sun is about 1.989 octillion metric tons.
*The volume of the sun is about 1.412 octillion cubic meters.
*An octillion dollars in 100 dollar bills would cover the US with a layer of 1000 km (625 miles) thick.
*A square of one octillion square centimeters in area would fit entirely inside the orbit of Mars (the diagonal of such a square would be about 2% smaller than the minor axis of its orbit).
*There are over 7 octillion atoms in the human body.
*There is over 169.5 octillion ways to play the first ten moves in chess.iFunny.com 169 octillion ways in ten moves in Chess.
*The Hungarian pengő had the highest rate of hyperinflation recorded, reaching 400 octilion pengős.
*A proton and a neutron are both 1 octillion times bigger than a neutrino.
*The mass of the Earth is about 6 octillion grams.
*Following the hyperinflation in Hungary, the currency was changed from the pengö to the forint on August 1, 1946. The exchange rate was set at one forint for 400 octillion pengö (\(4 \times 10^{29}\) pengö).Guiness World Record. https://www.guinnessworldrecords.com/world-records/highest-denomination-banknote Retrieved 2024-09-18. See also Currency-related numbers.
== Approximations ==
For short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{27}\) 	\(1\times10^{27}\)
Arrow notation 	\(10\uparrow27\) 	\(10\uparrow27\)
Steinhaus-Moser Notation 	20[3] 	21[3]
Copy notation 	9[27] 	10[14]
Taro's multivariable Ackermann function	A(3,86) 	A(3,87)
Pound-Star Notation 	#*(2,8)*12 	#*(0,0,2,2)*6
BEAF 	{10,27} 	{10,27}
Hyper-E notation 	E27 	E27
Bashicu matrix system 	(0)(0)(0)[2371] 	(0)(0)(0)[2372]
Hyperfactorial array notation 	26! 	27!
Fast-growing hierarchy 	\(f_2(83)\) 	\(f_2(84)\)
Hardy hierarchy 	\(H_{\omega^2}(83)\) 	\(H_{\omega^2}(84)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega2+7}}(10)\)	\(g_{\omega^{\omega2+7}}(10)\)
For long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{48}\) 	\(1\times10^{48}\)
Arrow notation 	\(10\uparrow48\) 	\(10\uparrow48\)
Steinhaus-Moser Notation 	31[3] 	32[3]
Copy notation 	9[48] 	1[49]
Taro's multivariable Ackermann function	A(3,156) 	A(3,157)
Pound-Star Notation 	#*(6,3,6,4,3)*7 	#*(7,3,6,4,3)*7
BEAF 	{10,48} 	{10,48}
Hyper-E notation 	E48 	E48
Bashicu matrix system 	(0)(0)(0)(0)[1000] 	(0)(0)(0)(0)[1000]
Hyperfactorial array notation 	40! 	41!
Fast-growing hierarchy 	\(f_2(152)\) 	\(f_2(153)\)
Hardy hierarchy 	\(H_{\omega^2}(152)\) 	\(H_{\omega^2}(153)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega4+8}}(10)\)	\(g_{\omega^{\omega4+8}}(10)\)
== Sources ==
== See also ==
*Prefix 10^27
Category:Numbers
Category:Illion
Category:Class 2
Category:Base Illion
Category:Numbers with 7 to 29 digits
Category:Numbers with 30 to 100 digits
Category:Tier 1 -illion numbers
Category:Numbers with peer-reviewed source
fr:Octillion