81676605075121

Names of 81676605075121

• Cardinal: 81676605075121 can be written as Eighty-one trillion, six hundred seventy-six billion, six hundred five million, seventy-five thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 8.1676605075121 × 10¹³

Factors of 81676605075121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1207

Divisors of 81676605075121

• Number of divisors d(n): 45
• Complete list of divisors:
  1 7 49 181 343 1019 1267 2401 7133 8869 32761 49931 62083 184439 229327 349517 434581 1038361 1291073 1605289 2446619 7268527 9037511 11237023 33383459 50879689 63262577 78659161 187943341 233684213 356157823 442838039 1315603387 1635789491 2493104761 9209223709 11450526437 34017744721 64464565963 80153685059 238124213047 451251961741 1666869491329 11668086439303 81676605075121
• Sum of all divisors σ(n): 95907159520683
• Sum of proper divisors (its aliquot sum) s(n): 14230554445562
• 81676605075121 is a deficient number, because the sum of its proper divisors (14230554445562) is less than itself. Its deficiency is 67446050629559

Bases of 81676605075121

• Binary: 10010100100100011010001000010000010111010110001₂
• Hexadecimal: 0x4A48D1082EB1
• Base-36: SY9PPU181

Squares and roots of 81676605075121

• 81676605075121 squared (81676605075121²) is 6671067816597281494053164641
• 81676605075121 cubed (81676605075121³) is 544870171485565890114194560497691585996561
• 81676605075121 is a perfect square number. Its square root is 9037511
• The cube root of 81676605075121 is 43387.6264702379

Scales and comparisons

• 81,676,605,075,121 seconds is equal to 2,597,063 years, 20 weeks, 5 days, 6 hours, 12 minutes, 1 second.
• To count from 1 to 81,676,605,075,121 would take you about six million, four hundred ninety-two thousand, six hundred fifty-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 81676605075121 cubic inches would be around 3615.6 feet tall.

Recreational maths with 81676605075121

• 81676605075121 backwards is 12157050667618
• The number of decimal digits it has is: 14
• The sum of 81676605075121's digits is 55
• More coming soon!