81348480
81,348,480 is an even composite number composed of five prime numbers multiplied together.
81348480 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 81348480:
27 × 32 × 5 × 29 × 487
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 29 × 487)See below for interesting mathematical facts about the number 81348480 from the Numbermatics database.
Names of 81348480
- Cardinal: 81348480 can be written as Eighty-one million, three hundred forty-eight thousand, four hundred eighty.
Scientific notation
- Scientific notation: 8.134848 × 107
Factors of 81348480
Divisors of 81348480
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 32 36 40 45 48 58 60 64 72 80 87 90 96 116 120 128 144 145 160 174 180 192 232 240 261 288 290 320 348 360 384 435 464 480 487 522 576 580 640 696 720 870 928 960 974 1044 1152 1160 1305 1392 1440 1461 1740 1856 1920 1948 2088 2320 2435 2610 2784 2880 2922 3480 3712 3896 4176 4383 4640 4870 5220 5568 5760 5844 6960 7305 7792 8352 8766 9280 9740 10440 11136 11688 13920 14123 14610 15584 16704 17532 18560 19480 20880 21915 23376 27840 28246 29220 31168 33408 35064 38960 41760 42369 43830 46752 55680 56492 58440 62336 70128 70615 77920 83520 84738 87660 93504 112984 116880 127107 140256 141230 155840 167040 169476 175320 187008 211845 225968 233760 254214 280512 282460 311680 338952 350640 423690 451936 467520 508428 561024 564920 635535 677904 701280 847380 903872 935040 1016856 1129840 1271070 1355808 1402560 1694760 1807744 2033712 2259680 2542140 2711616 2805120 3389520 4067424 4519360 5084280 5423232 6779040 8134848 9038720 10168560 13558080 16269696 20337120 27116160 40674240 81348480
- Sum of all divisors σ(n): 291189600
- Sum of proper divisors (its aliquot sum) s(n): 209841120
- 81348480 is an abundant number, because the sum of its proper divisors (209841120) is greater than itself. Its abundance is 128492640
Bases of 81348480
- Binary: 1001101100101000111100000002
- Hexadecimal: 0x4D94780
- Base-36: 1CFKW0
Squares and roots of 81348480
- 81348480 squared (813484802) is 6617575198310400
- 81348480 cubed (813484803) is 538329683668249608192000
-
The
square root of 81348480 is 9019.3392219165 -
The
cube root of 81348480 is 433.2944712025
Scales and comparisons
How big is 81348480?- 81,348,480 seconds is equal to 2 years, 30 weeks, 3 days, 12 hours, 48 minutes.
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To count from 1 to 81,348,480 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 81348480 cubic inches would be around 36.1 feet tall.
Recreational maths with 81348480
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The information we have on file for 81348480 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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