81729002800000
81,729,002,800,000 is an even composite number composed of five prime numbers multiplied together.
What does the number 81729002800000 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 384 divisors.
81729002800000 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 81729002800000:
27 × 55 × 17 × 3121 × 3851
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 17 × 3121 × 3851)See below for interesting mathematical facts about the number 81729002800000 from the Numbermatics database.
Names of 81729002800000
- Cardinal: 81729002800000 can be written as Eighty-one trillion, seven hundred twenty-nine billion, two million, eight hundred thousand.
Scientific notation
- Scientific notation: 8.17290028 × 1013
Factors of 81729002800000
Divisors of 81729002800000
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 125 128 136 160 170 200 250 272 320 340 400 425 500 544 625 640 680 800 850 1000 1088 1250 1360 1600 1700 2000 2125 2176 2500 2720 3121 3125 3200 3400 3851 4000 4250 5000 5440 6242 6250 6800 7702 8000 8500 10000 10625 10880 12484 12500 13600 15404 15605 16000 17000 19255 20000 21250 24968 25000 27200 30808 31210 34000 38510 40000 42500 49936 50000 53057 53125 54400 61616 62420 65467 68000 77020 78025 80000 85000 96275 99872 100000 106114 106250 123232 124840 130934 136000 154040 156050 170000 192550 199744 200000 212228 212500 246464 249680 261868 265285 272000 308080 312100 327335 340000 385100 390125 399488 400000 424456 425000 481375 492928 499360 523736 530570 616160 624200 654670 680000 770200 780250 848912 850000 962750 998720 1047472 1061140 1232320 1248400 1309340 1326425 1360000 1540400 1560500 1636675 1697824 1700000 1925500 1950625 1997440 2094944 2122280 2406875 2464640 2496800 2618680 2652850 3080800 3121000 3273350 3395648 3400000 3851000 3901250 4189888 4244560 4813750 4993600 5237360 5305700 6161600 6242000 6546700 6632125 6791296 6800000 7702000 7802500 8183375 8379776 8489120 9627500 9753125 9987200 10474720 10611400 12018971 12034375 12323200 12484000 13093400 13264250 15404000 15605000 16366750 16978240 19255000 19506250 20949440 21222800 24037942 24068750 24968000 26186800 26528500 30808000 31210000 32733500 33160625 33956480 38510000 39012500 40916875 41898880 42445600 48075884 48137500 49936000 52373600 53057000 60094855 61616000 62420000 65467000 66321250 77020000 78025000 81833750 84891200 96151768 96275000 104747200 106114000 120189710 124840000 130934000 132642500 154040000 156050000 163667500 165803125 169782400 192303536 192550000 204322507 204584375 209494400 212228000 240379420 249680000 261868000 265285000 300474275 308080000 312100000 327335000 331606250 384607072 385100000 408645014 409168750 424456000 480758840 523736000 530570000 600948550 624200000 654670000 663212500 769214144 770200000 817290028 818337500 848912000 961517680 1021612535 1047472000 1061140000 1201897100 1248400000 1309340000 1326425000 1502371375 1538428288 1540400000 1634580056 1636675000 1923035360 2043225070 2122280000 2403794200 2618680000 2652850000 3004742750 3269160112 3273350000 3846070720 4086450140 4244560000 4807588400 5108062675 5237360000 5305700000 6009485500 6538320224 6546700000 7511856875 7692141440 8172900280 9615176800 10216125350 10611400000 12018971000 13076640448 13093400000 15023713750 16345800560 19230353600 20432250700 21222800000 24037942000 25540313375 26153280896 26186800000 30047427500 32691601120 37559284375 38460707200 40864501400 48075884000 51080626750 60094855000 65383202240 75118568750 81729002800 96151768000 102161253500 120189710000 127701566875 130766404480 150237137500 163458005600 192303536000 204322507000 240379420000 255403133750 300474275000 326916011200 408645014000 480758840000 510806267500 600948550000 638507834375 653832022400 817290028000 961517680000 1021612535000 1201897100000 1277015668750 1634580056000 2043225070000 2403794200000 2554031337500 3269160112000 4086450140000 4807588400000 5108062675000 8172900280000 10216125350000 16345800560000 20432250700000 40864501400000 81729002800000
- Sum of all divisors σ(n): 215607618041760
- Sum of proper divisors (its aliquot sum) s(n): 133878615241760
- 81729002800000 is an abundant number, because the sum of its proper divisors (133878615241760) is greater than itself. Its abundance is 52149612441760
Bases of 81729002800000
- Binary: 100101001010101000001000010111000000011100000002
- Hexadecimal: 0x4A55042E0380
- Base-36: SYXSA34HS
Squares and roots of 81729002800000
- 81729002800000 squared (817290028000002) is 6679629898682407840000000000
- 81729002800000 cubed (817290028000003) is 545919490692378226666101952000000000000000
-
The
square root of 81729002800000 is 9040409.4376305767 -
The
cube root of 81729002800000 is 43396.9025941835
Scales and comparisons
How big is 81729002800000?- 81,729,002,800,000 seconds is equal to 2,598,729 years, 25 weeks, 1 day, 9 hours, 46 minutes, 40 seconds.
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To count from 1 to 81,729,002,800,000 would take you about six million, four hundred ninety-six thousand, eight hundred twenty-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 81729002800000 cubic inches would be around 3616.4 feet tall.
Recreational maths with 81729002800000
- 81729002800000 backwards is 00000820092718
- The number of decimal digits it has is: 14
- The sum of 81729002800000's digits is 37
- More coming soon!
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