Septillion

A septillion is equal to 1024 in America, or 1042 in France and Germany.Merriam-Webster Dictionary SeptillionLarousse (French dictionary) Septillion (source for long scale in French)Conway and Guy. The Book of Numbers. Copernicus. 1995. ISBN 978-0387979939 p.14Septillion at Wolfram MathWorld
It is 25 digits long in short scale, and 43 digits long in long scale.
== Alternative names ==
1024 is also called oktillion (not to be confused with octillion) in Russ Rowlett's Greek-based naming system.Russ Rowlett　Names for Large Numbers　Archived 2006-01-10.
Aarex Tiaokhiao gave the name okyillion, referring to 1024.Aarex Tiaokhiao's illion numbers
Wikia user NumLynx gave the name octosand for this number's short scale value.
Sbiis Saibian gave the name minnowchunk, referring to 1024, the short scale value of this number.Hyper-E Notation, Large Numbers
CompactStar gave the name hexyriad for this number as part of the -yriad system, referring to it being myriad6.-yriad numbers. Retrieved Apr 21, 2023 He also gave the name gooterol to 1024, and is equal to r(1012) in Rampant Array Notation.
1024 is also called Zi (秭 in Chinese) Chinese counting system and Jyo (𥝱 in Japanese) in Japanese counting system.大数の名前
== Decimal ==
*1,000,000,000,000,000,000,000,000 - short scale
*1,000,000,000,000,000,000,000,000,000,000,000,000,000,000 - long scale
== Examples ==
* One liter of water contains about 33.4 septillion water molecules.
* The earth has a mass of about 5.98 septillion kilograms.Sbiis Saibian's large numbers site
* The constant of is about 10 septillion times larger than constant of .
* The SI prefix yotta- multiplies by one septillion.
* A septillion dollars will fill the US with a layer of 1000 metres thick.
* The energy output of the Sun is about 380 septillion watts.
== Approximations ==
For short scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{24}\) 	\(1\times10^{24}\)
Arrow notation 	\(10\uparrow24\) 	\(10\uparrow24\)
Steinhaus-Moser Notation 	18[3] 	19[3]
Copy notation 	9[24] 	1[25]
Taro's multivariable Ackermann function	A(3,76) 	A(3,77)
Pound-Star Notation 	#*(1,2,3,3)*5 	#*(2,2,3,3)*5
BEAF 	{10,24} 	{10,24}
Hyper-E notation 	E24 	E24
Bashicu matrix system 	(0)(0)(0)[1000] 	(0)(0)(0)[1000]
Hyperfactorial array notation 	24! 	25!
Fast-growing hierarchy 	\(f_2(73)\) 	\(f_2(74)\)
Hardy hierarchy 	\(H_{\omega^2}(73)\) 	\(H_{\omega^2}(74)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega2+4}}(10)\)	\(g_{\omega^{\omega2+4}}(10)\)
For long scale:
Notation 	Lower bound 	Upper bound
Scientific notation 	\(1\times10^{42}\) 	\(1\times10^{42}\)
Arrow notation 	\(10\uparrow42\) 	\(10\uparrow42\)
Steinhaus-Moser Notation 	28[3] 	29[3]
Copy notation 	9[42] 	1[43]
Taro's multivariable Ackermann function	A(3,136) 	A(3,137)
Pound-Star Notation 	#*(7,6,6,0,4)*6 	#*(8,6,6,0,4)*6
BEAF 	{10,42} 	{10,42}
Hyper-E notation 	E42 	E42
Bashicu matrix system 	(0)(0)(0)(0)[421] 	(0)(0)(0)(0)[422]
Hyperfactorial array notation 	36! 	37!
Fast-growing hierarchy 	\(f_2(132)\) 	\(f_2(133)\)
Hardy hierarchy 	\(H_{\omega^2}(132)\) 	\(H_{\omega^2}(133)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega4+2}}(10)\)	\(g_{\omega^{\omega4+2}}(10)\)
== Sources ==
== See also ==
zh:秭
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:Septillion
ja:じょ