43252003274489856000

43,252,003,274,489,856,000 is the number of possible legal arrangements of a standard 3×3×3 Rubik's Cube.Pointless Gigantic List of Numbers - Part 2: The Little BabiesNotable Properties of Specific Numbers (page 18) at MROBRubik's Cube - Wikipedia
This number is a bit over three dozen quintillion.
==Approximations==
Notation 	Lower bound 	Upper bound
Scientific notation 	\(4.325\times10^{19}\) 	\(4.326\times10^{19}\)
Arrow notation 	\(43\uparrow12\) 	\(92\uparrow10\)
Steinhaus-Moser Notation 	16[3] 	17[3]
Copy notation 	3[20] 	4[20]
Chained arrow notation 	\(43\rightarrow12\) 	\(92\rightarrow10\)
PlantStar's Debut Notation 	[11] 	[12]
Taro's multivariable Ackermann function	A(3,62) 	A(3,63)
Pound-Star Notation 	#*(7,0,2)*7 	#*(4,0,0,4)*4
BEAF 	{43,12} 	{92,10}
Hyper-E notation 	4E19 	5E19
Bashicu matrix system 	(0)(0)[81096] 	(0)(0)[81097]
Hyperfactorial array notation 	20! 	21!
Bird's array notation 	{43,12} 	{92,10}
Fast-growing hierarchy 	\(f_2(59)\) 	\(f_2(60)\)
Hardy hierarchy 	\(H_{\omega^2}(59)\) 	\(H_{\omega^2}(60)\)
Slow-growing hierarchy 	\(g_{\omega^{\omega2+2}3+\omega^{\omega2+1}5}(9)\)	\(g_{\omega^{\omega+4}5}(13)\)
== Sources ==
Category:Numbers
Category:Class 2
Category:Even numbers
Category:Non-powers
Category:Numbers with 7 to 29 digits