81929337833088

Names of 81929337833088

• Cardinal: 81929337833088 can be written as Eighty-one trillion, nine hundred twenty-nine billion, three hundred thirty-seven million, eight hundred thirty-three thousand and eighty-eight.

Scientific notation

• Scientific notation: 8.1929337833088 × 10¹³

Factors of 81929337833088

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 504391661

Divisors of 81929337833088

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 47 48 54 64 72 94 96 108 128 141 144 188 192 216 282 288 376 384 423 432 564 576 752 846 864 1128 1152 1269 1504 1692 1728 2256 2538 3008 3384 3456 4512 5076 6016 6768 9024 10152 13536 18048 20304 27072 40608 54144 81216 162432 504391609 1008783218 1513174827 2017566436 3026349654 4035132872 4539524481 6052699308 8070265744 9079048962 12105398616 13618573443 16140531488 18158097924 23706405623 24210797232 27237146886 32281062976 36316195848 47412811246 48421594464 54474293772 64562125952 71119216869 72632391696 94825622492 96843188928 108948587544 142238433738 145264783392 189651244984 193686377856 213357650607 217897175088 284476867476 290529566784 379302489968 426715301214 435794350176 568953734952 581059133568 640072951821 758604979936 853430602428 871588700352 1137907469904 1280145903642 1517209959872 1706861204856 1743177400704 2275814939808 2560291807284 3034419919744 3413722409712 4551629879616 5120583614568 6827444819424 9103259759232 10241167229136 13654889638848 20482334458272 27309779277696 40964668916544 81929337833088
• Sum of all divisors σ(n): 246950132256000
• Sum of proper divisors (its aliquot sum) s(n): 165020794422912
• 81929337833088 is an abundant number, because the sum of its proper divisors (165020794422912) is greater than itself. Its abundance is 83091456589824

Bases of 81929337833088

• Binary: 10010101000001110101001000101000000011010000000₂
• Hexadecimal: 0x4A83A9140680
• Base-36: T1HTGE5C0

Squares and roots of 81929337833088

• 81929337833088 squared (81929337833088²) is 6712416397768264699347615744
• 81929337833088 cubed (81929337833088³) is 549943830729115758442022592286788232937472
• The square root of 81929337833088 is 9051482.6317619369
• The cube root of 81929337833088 is 43432.3319837233

Scales and comparisons

• 81,929,337,833,088 seconds is equal to 2,605,099 years, 26 weeks, 6 days, 22 hours, 4 minutes, 48 seconds.
• To count from 1 to 81,929,337,833,088 would take you about six million, five hundred twelve thousand, seven hundred forty-eight 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 81929337833088 cubic inches would be around 3619.4 feet tall.

Recreational maths with 81929337833088

• 81929337833088 backwards is 88033873392918
• 81929337833088 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81929337833088's digits is 72
• More coming soon!