81823374942
81,823,374,942 is an even composite number composed of five prime numbers multiplied together.
81823374942 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 81823374942:
2 × 3 × 19 × 372 × 524287
(2 × 3 × 19 × 37 × 37 × 524287)See below for interesting mathematical facts about the number 81823374942 from the Numbermatics database.
Names of 81823374942
- Cardinal: 81823374942 can be written as Eighty-one billion, eight hundred twenty-three million, three hundred seventy-four thousand, nine hundred forty-two.
Scientific notation
- Scientific notation: 8.1823374942 × 1010
Factors of 81823374942
Divisors of 81823374942
- Number of divisors d(n): 48
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Complete list of divisors:
1 2 3 6 19 37 38 57 74 111 114 222 703 1369 1406 2109 2738 4107 4218 8214 26011 52022 78033 156066 524287 1048574 1572861 3145722 9961453 19398619 19922906 29884359 38797238 58195857 59768718 116391714 368573761 717748903 737147522 1105721283 1435497806 2153246709 2211442566 4306493418 13637229157 27274458314 40911687471 81823374942
- Sum of all divisors σ(n): 177041571840
- Sum of proper divisors (its aliquot sum) s(n): 95218196898
- 81823374942 is an abundant number, because the sum of its proper divisors (95218196898) is greater than itself. Its abundance is 13394821956
Bases of 81823374942
- Binary: 10011000011010000110110011110010111102
- Hexadecimal: 0x130D0D9E5E
- Base-36: 11L7IW66
Squares and roots of 81823374942
- 81823374942 squared (818233749422) is 6695064686899113503364
- 81823374942 cubed (818233749423) is 547812788137089999513167750304888
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The
square root of 81823374942 is 286047.8542866563 -
The
cube root of 81823374942 is 4341.3599577253
Scales and comparisons
How big is 81823374942?- 81,823,374,942 seconds is equal to 2,601 years, 37 weeks, 6 days, 19 hours, 15 minutes, 42 seconds.
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To count from 1 to 81,823,374,942 would take you about five thousand, two hundred three 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 81823374942 cubic inches would be around 361.8 feet tall.
Recreational maths with 81823374942
- 81823374942 backwards is 24947332818
- The number of decimal digits it has is: 11
- The sum of 81823374942's digits is 51
- More coming soon!
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The information we have on file for 81823374942 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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