81527428991876

Names of 81527428991876

• Cardinal: 81527428991876 can be written as Eighty-one trillion, five hundred twenty-seven billion, four hundred twenty-eight million, nine hundred ninety-one thousand, eight hundred seventy-six.

Scientific notation

• Scientific notation: 8.1527428991876 × 10¹³

Factors of 81527428991876

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 282826

Divisors of 81527428991876

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 14 28 1693 3386 6257 6772 11851 12514 23702 25028 43799 47404 87598 175196 274867 549734 1099468 1924069 3848138 7696276 10593101 21186202 42372404 74151707 148303414 296606828 465349831 930699662 1719842819 1861399324 3257448817 3439685638 6514897634 6879371276 12038899733 13029795268 24077799466 48155598932 2911693892567 5823387785134 11646775570268 20381857247969 40763714495938 81527428991876
• Sum of all divisors σ(n): 163177837823616
• Sum of proper divisors (its aliquot sum) s(n): 81650408831740
• 81527428991876 is an abundant number, because the sum of its proper divisors (81650408831740) is greater than itself. Its abundance is 122979839864

Bases of 81527428991876

• Binary: 10010100010011000010101011100011100101110000100₂
• Hexadecimal: 0x4A261571CB84
• Base-36: SWD6M8UPW

Squares and roots of 81527428991876

• 81527428991876 squared (81527428991876²) is 6646721678025383333673999376
• 81527428991876 cubed (81527428991876³) is 541890129633977333021612079070116733069376
• The square root of 81527428991876 is 9029254.0661937295
• The cube root of 81527428991876 is 43361.1956433561

Scales and comparisons

• 81,527,428,991,876 seconds is equal to 2,592,320 years, 3 weeks, 1 day, 5 hours, 17 minutes, 56 seconds.
• To count from 1 to 81,527,428,991,876 would take you about six million, four hundred eighty thousand, eight hundred 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 81527428991876 cubic inches would be around 3613.4 feet tall.

Recreational maths with 81527428991876

• 81527428991876 backwards is 67819982472518
• The number of decimal digits it has is: 14
• The sum of 81527428991876's digits is 77
• More coming soon!