81737396698048

Names of 81737396698048

• Cardinal: 81737396698048 can be written as Eighty-one trillion, seven hundred thirty-seven billion, three hundred ninety-six million, six hundred ninety-eight thousand and forty-eight.

Scientific notation

• Scientific notation: 8.1737396698048 × 10¹³

Factors of 81737396698048

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 14034580499

Divisors of 81737396698048

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 182 208 224 364 416 448 728 832 1456 2912 5824 14034580477 28069160954 56138321908 98242063339 112276643816 182449546201 196484126678 224553287632 364899092402 392968253356 449106575264 729798184804 785936506712 898213150528 1277146823407 1459596369608 1571873013424 2554293646814 2919192739216 3143746026848 5108587293628 5838385478432 6287492053696 10217174587256 11676770956864 20434349174512 40868698349024 81737396698048
• Sum of all divisors σ(n): 199627872719072
• Sum of proper divisors (its aliquot sum) s(n): 117890476021024
• 81737396698048 is an abundant number, because the sum of its proper divisors (117890476021024) is greater than itself. Its abundance is 36153079322976

Bases of 81737396698048

• Binary: 10010100101011011111000011111101011101111000000₂
• Hexadecimal: 0x4A56F87EBBC0
• Base-36: SZ1N3LHOG

Squares and roots of 81737396698048

• 81737396698048 squared (81737396698048²) is 6681002018974068093287010304
• 81737396698048 cubed (81737396698048³) is 546087712365343014812775587256939352686592
• The square root of 81737396698048 is 9040873.6689574419
• The cube root of 81737396698048 is 43398.3882222695

Scales and comparisons

• 81,737,396,698,048 seconds is equal to 2,598,996 years, 20 weeks, 7 minutes, 28 seconds.
• To count from 1 to 81,737,396,698,048 would take you about six million, four hundred ninety-seven thousand, four hundred ninety 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 81737396698048 cubic inches would be around 3616.5 feet tall.

Recreational maths with 81737396698048

• 81737396698048 backwards is 84089669373718
• The number of decimal digits it has is: 14
• The sum of 81737396698048's digits is 79
• More coming soon!