12811694241720

Names of 12811694241720

• Cardinal: 12811694241720 can be written as Twelve trillion, eight hundred eleven billion, six hundred ninety-four million, two hundred forty-one thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.281169424172 × 10¹³

Factors of 12811694241720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9705828992

Divisors of 12811694241720

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 9705828971 19411657942 29117486913 38823315884 48529144855 58234973826 77646631768 97058289710 106764118681 116469947652 145587434565 194116579420 213528237362 232939895304 291174869130 320292356043 388233158840 427056474724 533820593405 582349738260 640584712086 854112949448 1067641186810 1164699476520 1281169424172 1601461780215 2135282373620 2562338848344 3202923560430 4270564747240 6405847120860 12811694241720
• Sum of all divisors σ(n): 41929181159040
• Sum of proper divisors (its aliquot sum) s(n): 29117486917320
• 12811694241720 is an abundant number, because the sum of its proper divisors (29117486917320) is greater than itself. Its abundance is 16305792675600

Bases of 12811694241720

• Binary: 10111010011011110100011110111111011110111000₂
• Hexadecimal: 0xBA6F47BF7B8
• Base-36: 4JHLZYOJC

Squares and roots of 12811694241720

• 12811694241720 squared (12811694241720²) is 164139509343321405788558400
• 12811694241720 cubed (12811694241720³) is 2102905206692576993080489129139936448000
• The square root of 12811694241720 is 3579342.7108506947
• The cube root of 12811694241720 is 23399.2635228067

Scales and comparisons

• 12,811,694,241,720 seconds is equal to 407,372 years, 12 weeks, 6 days, 4 hours, 2 minutes.
• To count from 1 to 12,811,694,241,720 would take you about one million, eighteen thousand, four hundred thirty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 12811694241720 cubic inches would be around 1949.9 feet tall.

Recreational maths with 12811694241720

• 12811694241720 backwards is 02714249611821
• The number of decimal digits it has is: 14
• The sum of 12811694241720's digits is 48
• More coming soon!