81323546976

Names of 81323546976

• Cardinal: 81323546976 can be written as Eighty-one billion, three hundred twenty-three million, five hundred forty-six thousand, nine hundred seventy-six.

Scientific notation

• Scientific notation: 8.1323546976 × 10¹⁰

Factors of 81323546976

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5762735

Divisors of 81323546976

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 72 84 96 98 112 126 144 147 168 196 224 252 288 294 336 392 441 504 588 672 784 882 1008 1176 1568 1764 2016 2352 3528 4704 7056 14112 5762723 11525446 17288169 23050892 34576338 40339061 46101784 51864507 69152676 80678122 92203568 103729014 121017183 138305352 161356244 184407136 207458028 242034366 276610704 282373427 322712488 363051549 414916056 484068732 553221408 564746854 645424976 726103098 829832112 847120281 968137464 1129493708 1290849952 1452206196 1659664224 1694240562 1936274928 2258987416 2541360843 2904412392 3388481124 3872549856 4517974832 5082721686 5808824784 6776962248 9035949664 10165443372 11617649568 13553924496 20330886744 27107848992 40661773488 81323546976
• Sum of all divisors σ(n): 269021244492
• Sum of proper divisors (its aliquot sum) s(n): 187697697516
• 81323546976 is an abundant number, because the sum of its proper divisors (187697697516) is greater than itself. Its abundance is 106374150540

Bases of 81323546976

• Binary: 1001011101111010000101101100101100000₂
• Hexadecimal: 0x12EF42D960
• Base-36: 11CXXUG0

Squares and roots of 81323546976

• 81323546976 squared (81323546976²) is 6613519292757678744576
• 81323546976 cubed (81323546976³) is 537834846881261383969243041202176
• The square root of 81323546976 is 285172.8370234447
• The cube root of 81323546976 is 4332.5019893359

Scales and comparisons

• 81,323,546,976 seconds is equal to 2,585 years, 43 weeks, 3 days, 18 hours, 9 minutes, 36 seconds.
• To count from 1 to 81,323,546,976 would take you about five thousand, one hundred seventy-one 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 81323546976 cubic inches would be around 361 feet tall.

Recreational maths with 81323546976

• 81323546976 backwards is 67964532318
• The number of decimal digits it has is: 11
• The sum of 81323546976's digits is 54
• More coming soon!