81838837242848

Names of 81838837242848

• Cardinal: 81838837242848 can be written as Eighty-one trillion, eight hundred thirty-eight billion, eight hundred thirty-seven million, two hundred forty-two thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 8.1838837242848 × 10¹³

Factors of 81838837242848

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1394207

Divisors of 81838837242848

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 112 224 349831 699662 1044367 1399324 2088734 2448817 2798648 4177468 4897634 5597296 7310569 8354936 9795268 11194592 14621138 16709872 19590536 29242276 33419744 39181072 58484552 78362144 116969104 233938208 365351951977 730703903954 1461407807908 2557463663839 2922815615816 5114927327678 5845631231632 10229854655356 11691262463264 20459709310712 40919418621424 81838837242848
• Sum of all divisors σ(n): 184138086472704
• Sum of proper divisors (its aliquot sum) s(n): 102299249229856
• 81838837242848 is an abundant number, because the sum of its proper divisors (102299249229856) is greater than itself. Its abundance is 20460411987008

Bases of 81838837242848

• Binary: 10010100110111010010110110100101001101111100000₂
• Hexadecimal: 0x4A6E96D29BE0
• Base-36: T0C8QOEZK

Squares and roots of 81838837242848

• 81838837242848 squared (81838837242848²) is 6697595281261364834527151104
• 81838837242848 cubed (81838837242848³) is 548123410141615609954159418609875639304192
• The square root of 81838837242848 is 9046482.0368388507
• The cube root of 81838837242848 is 43416.3340520021

Scales and comparisons

• 81,838,837,242,848 seconds is equal to 2,602,221 years, 45 weeks, 5 days, 9 hours, 14 minutes, 8 seconds.
• To count from 1 to 81,838,837,242,848 would take you about six million, five hundred five thousand, five hundred fifty-four 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 81838837242848 cubic inches would be around 3618 feet tall.

Recreational maths with 81838837242848

• 81838837242848 backwards is 84824273883818
• The number of decimal digits it has is: 14
• The sum of 81838837242848's digits is 74
• More coming soon!