81729676057216
81,729,676,057,216 is an even composite number composed of four prime numbers multiplied together.
81729676057216 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 81729676057216:
27 × 11 × 31 × 1872472417
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 11 × 31 × 1872472417)See below for interesting mathematical facts about the number 81729676057216 from the Numbermatics database.
Names of 81729676057216
- Cardinal: 81729676057216 can be written as Eighty-one trillion, seven hundred twenty-nine billion, six hundred seventy-six million, fifty-seven thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 8.1729676057216 × 1013
Factors of 81729676057216
- Number of distinct prime factors ω(n): 4
- Total number of prime factors Ω(n): 10
- Sum of prime factors: 1872472461
Divisors of 81729676057216
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 8 11 16 22 31 32 44 62 64 88 124 128 176 248 341 352 496 682 704 992 1364 1408 1984 2728 3968 5456 10912 21824 43648 1872472417 3744944834 7489889668 14979779336 20597196587 29959558672 41194393174 58046644927 59919117344 82388786348 116093289854 119838234688 164777572696 232186579708 239676469376 329555145392 464373159416 638513094197 659110290784 928746318832 1277026188394 1318220581568 1857492637664 2554052376788 2636441163136 3714985275328 5108104753576 7429970550656 10216209507152 20432419014304 40864838028608 81729676057216
- Sum of all divisors σ(n): 183352499170560
- Sum of proper divisors (its aliquot sum) s(n): 101622823113344
- 81729676057216 is an abundant number, because the sum of its proper divisors (101622823113344) is greater than itself. Its abundance is 19893147056128
Bases of 81729676057216
- Binary: 100101001010101001011000100111100011010100000002
- Hexadecimal: 0x4A552C4F1A80
- Base-36: SYY3EXD34
Squares and roots of 81729676057216
- 81729676057216 squared (817296760572162) is 6679739948417466287305670656
- 81729676057216 cubed (817296760572163) is 545932982130604233291069126772068708253696
-
The
square root of 81729676057216 is 9040446.6735452845 -
The
cube root of 81729676057216 is 43397.0217570943
Scales and comparisons
How big is 81729676057216?- 81,729,676,057,216 seconds is equal to 2,598,750 years, 46 weeks, 2 days, 17 hours, 40 minutes, 16 seconds.
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To count from 1 to 81,729,676,057,216 would take you about six million, four hundred ninety-six thousand, eight hundred seventy-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 81729676057216 cubic inches would be around 3616.4 feet tall.
Recreational maths with 81729676057216
- 81729676057216 backwards is 61275067692718
- The number of decimal digits it has is: 14
- The sum of 81729676057216's digits is 67
- More coming soon!
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The information we have on file for 81729676057216 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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