81840377194112

Names of 81840377194112

• Cardinal: 81840377194112 can be written as Eighty-one trillion, eight hundred forty billion, three hundred seventy-seven million, one hundred ninety-four thousand, one hundred twelve.

Scientific notation

• Scientific notation: 8.1840377194112 × 10¹³

Factors of 81840377194112

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 12269613

Divisors of 81840377194112

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 31 32 41 62 64 82 124 128 164 248 328 496 656 992 1271 1312 1681 1984 2542 2624 3362 3968 5084 5248 6724 10168 13448 20336 26896 40672 52111 53792 81344 104222 107584 162688 208444 215168 416888 833776 1667552 3335104 6670208 12269539 24539078 49078156 98156312 196312624 380355709 392625248 503051099 760711418 785250496 1006102198 1521422836 1570500992 2012204396 3042845672 4024408792 6085691344 8048817584 12171382688 15594584069 16097635168 20625095059 24342765376 31189168138 32195270336 41250190118 48685530752 62378336276 64390540672 82500380236 124756672552 165000760472 249513345104 330001520944 499026690208 639377946829 660003041888 998053380416 1278755893658 1320006083776 1996106760832 2557511787316 2640012167552 5115023574632 10230047149264 20460094298528 40920188597056 81840377194112
• Sum of all divisors σ(n): 172505806147200
• Sum of proper divisors (its aliquot sum) s(n): 90665428953088
• 81840377194112 is an abundant number, because the sum of its proper divisors (90665428953088) is greater than itself. Its abundance is 8825051758976

Bases of 81840377194112

• Binary: 10010100110111011110010100111000110011010000000₂
• Hexadecimal: 0x4A6EF29C6680
• Base-36: T0CY7IWZK

Squares and roots of 81840377194112

• 81840377194112 squared (81840377194112²) is 6697847339274527558127468544
• 81840377194112 cubed (81840377194112³) is 548154352634806784575298533059840262012928
• The square root of 81840377194112 is 9046567.1497044667
• The cube root of 81840377194112 is 43416.6063702207

Scales and comparisons

• 81,840,377,194,112 seconds is equal to 2,602,270 years, 43 weeks, 6 days, 21 hours, 28 minutes, 32 seconds.
• To count from 1 to 81,840,377,194,112 would take you about six million, five hundred five thousand, six hundred seventy-seven 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 81840377194112 cubic inches would be around 3618.1 feet tall.

Recreational maths with 81840377194112

• 81840377194112 backwards is 21149177304818
• The number of decimal digits it has is: 14
• The sum of 81840377194112's digits is 56
• More coming soon!