81336826998

Names of 81336826998

• Cardinal: 81336826998 can be written as Eighty-one billion, three hundred thirty-six million, eight hundred twenty-six thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 8.1336826998 × 10¹⁰

Factors of 81336826998

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6158

Divisors of 81336826998

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 81 109 126 162 189 218 327 378 567 654 763 981 1134 1526 1962 2289 2943 4578 5886 6037 6867 8829 11881 12074 13734 17658 18111 20601 23762 35643 36222 41202 42259 54333 61803 71286 83167 84518 106929 108666 123606 126777 162999 166334 213858 249501 253554 320787 325998 380331 488997 499002 641574 658033 748503 760662 962361 977994 1140993 1316066 1497006 1924722 1974099 2245509 2281986 3422979 3948198 4491018 4606231 5922297 6736527 6845958 9212462 11844594 13473054 13818693 17766891 27637386 35533782 41456079 53300673 71725597 82912158 106601346 124368237 143451194 215176791 248736474 373104711 430353582 502079179 645530373 746209422 1004158358 1291060746 1506237537 1936591119 3012475074 3873182238 4518712611 5809773357 9037425222 11619546714 13556137833 27112275666 40668413499 81336826998
• Sum of all divisors σ(n): 210254414832
• Sum of proper divisors (its aliquot sum) s(n): 128917587834
• 81336826998 is an abundant number, because the sum of its proper divisors (128917587834) is greater than itself. Its abundance is 47580760836

Bases of 81336826998

• Binary: 1001011110000000011010111110001110110₂
• Hexadecimal: 0x12F00D7C76
• Base-36: 11D5UHDI

Squares and roots of 81336826998

• 81336826998 squared (81336826998²) is 6615679426102581692004
• 81336826998 cubed (81336826998³) is 538098372955133612483691467923992
• The square root of 81336826998 is 285196.1202365839
• The cube root of 81336826998 is 4332.7378070145

Scales and comparisons

• 81,336,826,998 seconds is equal to 2,586 years, 13 weeks, 3 days, 11 hours, 3 minutes, 18 seconds.
• To count from 1 to 81,336,826,998 would take you about five thousand, one hundred seventy-two 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 81336826998 cubic inches would be around 361.1 feet tall.

Recreational maths with 81336826998

• 81336826998 backwards is 89962863318
• 81336826998 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81336826998's digits is 63
• More coming soon!