81743035642915542

Names of 81743035642915542

• Cardinal: 81743035642915542 can be written as Eighty-one quadrillion, seven hundred forty-three trillion, thirty-five billion, six hundred forty-two million, nine hundred fifteen thousand, five hundred forty-two.

Scientific notation

• Scientific notation: 8.1743035642915542 × 10¹⁶

Factors of 81743035642915542

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2085889346

Divisors of 81743035642915542

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 7 14 21 42 49 98 147 294 133303 266606 399909 799818 933121 1866242 2799363 5598726 6531847 13063694 19595541 39191082 2085756031 4171512062 6257268093 12514536186 14600292217 29200584434 43800876651 87601753302 102202045519 204404091038 306606136557 613212273114 278037536200393 556075072400786 834112608601179 1668225217202358 1946262753402751 3892525506805502 5838788260208253 11677576520416506 13623839273819257 27247678547638514 40871517821457771 81743035642915542
• Sum of all divisors σ(n): 190179101509373952
• Sum of proper divisors (its aliquot sum) s(n): 108436065866458410
• 81743035642915542 is an abundant number, because the sum of its proper divisors (108436065866458410) is greater than itself. Its abundance is 26693030223542868

Bases of 81743035642915542

• Binary: 100100010011010001101101110011010010110111010101011010110₂
• Hexadecimal: 0x12268DB9A5BAAD6
• Base-36: MCVHK5R5LG6

Squares and roots of 81743035642915542

• 81743035642915542 squared (81743035642915542²) is 6681923876118960716840334145153764
• 81743035642915542 cubed (81743035642915542³) is 546200741568840580458067009183111165426378855400088
• The square root of 81743035642915542 is 285907389.9760472123
• The cube root of 81743035642915542 is 433993.8619668117

Scales and comparisons

• 81,743,035,642,915,542 seconds is equal to 2,599,175,685 years, 32 weeks, 6 days, 18 hours, 45 minutes, 42 seconds.
• To count from 1 to 81,743,035,642,915,542 would take you about seven billion, seven hundred ninety-seven million, five hundred twenty-seven thousand and fifty-six 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 81743035642915542 cubic inches would be around 36166.2 feet tall.

Recreational maths with 81743035642915542

• 81743035642915542 backwards is 24551924653034718
• The number of decimal digits it has is: 17
• The sum of 81743035642915542's digits is 69
• More coming soon!