81342188273934112

Names of 81342188273934112

• Cardinal: 81342188273934112 can be written as Eighty-one quadrillion, three hundred forty-two trillion, one hundred eighty-eight billion, two hundred seventy-three million, nine hundred thirty-four thousand, one hundred twelve.

Scientific notation

• Scientific notation: 8.1342188273934112 × 10¹⁶

Factors of 81342188273934112

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 204352713705

Divisors of 81342188273934112

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 112 224 1777 3554 7108 12439 14216 24878 28432 49756 56864 99512 199024 398048 204352711919 408705423838 817410847676 1430468983433 1634821695352 2860937966866 3269643390704 5721875933732 6539286781408 11443751867464 22887503734928 45775007469856 363134769080063 726269538160126 1452539076320252 2541943383560441 2905078152640504 5083886767120882 5810156305281008 10167773534241764 11620312610562016 20335547068483528 40671094136967056 81342188273934112
• Sum of all divisors σ(n): 183122917384055040
• Sum of proper divisors (its aliquot sum) s(n): 101780729110120928
• 81342188273934112 is an abundant number, because the sum of its proper divisors (101780729110120928) is greater than itself. Its abundance is 20438540836186816

Bases of 81342188273934112

• Binary: 100100000111111000100101000001101010100100001111100100000₂
• Hexadecimal: 0x120FC4A0D521F20
• Base-36: M8XEDF58I74

Squares and roots of 81342188273934112

• 81342188273934112 squared (81342188273934112²) is 6616551593192144150874009717228544
• 81342188273934112 cubed (81342188273934112³) is 538204785417634094826769316078296940782644301692928
• The square root of 81342188273934112 is 285205519.3609235045
• The cube root of 81342188273934112 is 433283.3001665451

Scales and comparisons

• 81,342,188,273,934,112 seconds is equal to 2,586,429,979 years, 10 weeks, 3 days, 19 hours, 1 minute, 52 seconds.
• To count from 1 to 81,342,188,273,934,112 would take you about seven billion, seven hundred fifty-nine million, two hundred eighty-nine thousand, nine hundred thirty-seven 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 81342188273934112 cubic inches would be around 36106.9 feet tall.

Recreational maths with 81342188273934112

• 81342188273934112 backwards is 21143937288124318
• The number of decimal digits it has is: 17
• The sum of 81342188273934112's digits is 67
• More coming soon!