81313024
81,313,024 is an even composite number composed of four prime numbers multiplied together.
81313024 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 81313024:
28 × 13 × 53 × 461
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 53 × 461)See below for interesting mathematical facts about the number 81313024 from the Numbermatics database.
Names of 81313024
- Cardinal: 81313024 can be written as Eighty-one million, three hundred thirteen thousand and twenty-four.
Scientific notation
- Scientific notation: 8.1313024 × 107
Factors of 81313024
Divisors of 81313024
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 8 13 16 26 32 52 53 64 104 106 128 208 212 256 416 424 461 689 832 848 922 1378 1664 1696 1844 2756 3328 3392 3688 5512 5993 6784 7376 11024 11986 13568 14752 22048 23972 24433 29504 44096 47944 48866 59008 88192 95888 97732 118016 176384 191776 195464 317629 383552 390928 635258 767104 781856 1270516 1534208 1563712 2541032 3127424 5082064 6254848 10164128 20328256 40656512 81313024
- Sum of all divisors σ(n): 178477992
- Sum of proper divisors (its aliquot sum) s(n): 97164968
- 81313024 is an abundant number, because the sum of its proper divisors (97164968) is greater than itself. Its abundance is 15851944
Bases of 81313024
- Binary: 1001101100010111101000000002
- Hexadecimal: 0x4D8BD00
- Base-36: 1CETJ4
Squares and roots of 81313024
- 81313024 squared (813130242) is 6611807872024576
- 81313024 cubed (813130243) is 537626092181323276877824
-
The
square root of 81313024 is 9017.3734535063 -
The
cube root of 81313024 is 433.2315111191
Scales and comparisons
How big is 81313024?- 81,313,024 seconds is equal to 2 years, 30 weeks, 3 days, 2 hours, 57 minutes, 4 seconds.
-
To count from 1 to 81,313,024 would take you about 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 81313024 cubic inches would be around 36.1 feet tall.
Recreational maths with 81313024
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The information we have on file for 81313024 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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