81024482765408004

Names of 81024482765408004

• Cardinal: 81024482765408004 can be written as Eighty-one quadrillion, twenty-four trillion, four hundred eighty-two billion, seven hundred sixty-five million, four hundred eight thousand and four.

Scientific notation

• Scientific notation: 8.1024482765408004 × 10¹⁶

Factors of 81024482765408004

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 47441338

Divisors of 81024482765408004

• Number of divisors d(n): 27
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 47441333 94882666 142323999 189765332 284647998 426971997 569295996 853943994 1707887988 2250680076816889 4501360153633778 6752040230450667 9002720307267556 13504080460901334 20256120691352001 27008160921802668 40512241382704002 81024482765408004
• Sum of all divisors σ(n): 204811891307498293
• Sum of proper divisors (its aliquot sum) s(n): 123787408542090289
• 81024482765408004 is an abundant number, because the sum of its proper divisors (123787408542090289) is greater than itself. Its abundance is 42762925776682285

Bases of 81024482765408004

• Binary: 100011111110110110101011001111001010101111000011100000100₂
• Hexadecimal: 0x11FDB5679578704
• Base-36: M5SS5IWDFD0

Squares and roots of 81024482765408004

• 81024482765408004 squared (81024482765408004²) is 6564966807401898671357268587264016
• 81024482765408004 cubed (81024482765408004³) is 531923039941810746042950612071757613909362307584064
• 81024482765408004 is a perfect square number. Its square root is 284647998
• The cube root of 81024482765408004 is 432718.4596118565

Scales and comparisons

• 81,024,482,765,408,004 seconds is equal to 2,576,327,926 years, 39 weeks, 3 days, 8 hours, 53 minutes, 24 seconds.
• To count from 1 to 81,024,482,765,408,004 would take you about seven billion, seven hundred twenty-eight million, nine hundred eighty-three thousand, seven hundred eighty 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 81024482765408004 cubic inches would be around 36059.9 feet tall.

Recreational maths with 81024482765408004

• 81024482765408004 backwards is 40080456728442018
• The number of decimal digits it has is: 17
• The sum of 81024482765408004's digits is 63
• More coming soon!