81673252379992

Names of 81673252379992

• Cardinal: 81673252379992 can be written as Eighty-one trillion, six hundred seventy-three billion, two hundred fifty-two million, three hundred seventy-nine thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 8.1673252379992 × 10¹³

Factors of 81673252379992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8314829

Divisors of 81673252379992

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 52 56 91 103 104 131 182 206 262 364 412 524 721 728 824 917 1048 1339 1442 1703 1834 2678 2884 3406 3668 5356 5768 6812 7336 9373 10712 11921 13493 13624 18746 23842 26986 37492 47684 53972 74984 94451 95368 107944 175409 188902 350818 377804 701636 755608 1227863 1403272 2455726 4911452 8314573 9822904 16629146 33258292 58202011 66516584 108089449 116404022 216178898 232808044 432357796 465616088 756626143 856401019 864715592 1089209063 1513252286 1712802038 2178418126 3026504572 3425604076 4356836252 5994807133 6053009144 6851208152 7624463441 8713672504 11133213247 11989614266 14159717819 15248926882 22266426494 23979228532 28319435638 30497853764 44532852988 47958457064 56638871276 60995707528 77932492729 89065705976 99118024733 112188533489 113277742552 155864985458 198236049466 224377066978 311729970916 396472098932 448754133956 623459941832 785319734423 792944197864 897508267912 1458450935357 1570639468846 2916901870714 3141278937692 5833803741428 6282557875384 10209156547499 11667607482856 20418313094998 40836626189996 81673252379992
• Sum of all divisors σ(n): 191759352744960
• Sum of proper divisors (its aliquot sum) s(n): 110086100364968
• 81673252379992 is an abundant number, because the sum of its proper divisors (110086100364968) is greater than itself. Its abundance is 28412847984976

Bases of 81673252379992

• Binary: 10010100100100000001001001100100001110101011000₂
• Hexadecimal: 0x4A4809321D58
• Base-36: SY869Q53S

Squares and roots of 81673252379992

• 81673252379992 squared (81673252379992²) is 6670520154325868892361920064
• 81673252379992 cubed (81673252379992³) is 544803076070079874647431544737318856959488
• The square root of 81673252379992 is 9037325.5103482911
• The cube root of 81673252379992 is 43387.0327976915

Scales and comparisons

• 81,673,252,379,992 seconds is equal to 2,596,956 years, 41 weeks, 1 day, 21 hours, 59 minutes, 52 seconds.
• To count from 1 to 81,673,252,379,992 would take you about six million, four hundred ninety-two thousand, three hundred ninety-one 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 81673252379992 cubic inches would be around 3615.6 feet tall.

Recreational maths with 81673252379992

• 81673252379992 backwards is 29997325237618
• The number of decimal digits it has is: 14
• The sum of 81673252379992's digits is 73
• More coming soon!