81640838946873600
81,640,838,946,873,600 is an even composite number composed of five prime numbers multiplied together.
81640838946873600 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 81640838946873600:
28 × 32 × 52 × 43 × 32962225027
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 43 × 32962225027)See below for interesting mathematical facts about the number 81640838946873600 from the Numbermatics database.
Names of 81640838946873600
- Cardinal: 81640838946873600 can be written as Eighty-one quadrillion, six hundred forty trillion, eight hundred thirty-eight billion, nine hundred forty-six million, eight hundred seventy-three thousand, six hundred.
Scientific notation
- Scientific notation: 8.16408389468736 × 1016
Factors of 81640838946873600
- Number of distinct prime factors ω(n): 5
- Total number of prime factors Ω(n): 14
- Sum of prime factors: 32962225080
Divisors of 81640838946873600
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 43 45 48 50 60 64 72 75 80 86 90 96 100 120 128 129 144 150 160 172 180 192 200 215 225 240 256 258 288 300 320 344 360 384 387 400 430 450 480 516 576 600 640 645 688 720 768 774 800 860 900 960 1032 1075 1152 1200 1280 1290 1376 1440 1548 1600 1720 1800 1920 1935 2064 2150 2304 2400 2580 2752 2880 3096 3200 3225 3440 3600 3840 3870 4128 4300 4800 5160 5504 5760 6192 6400 6450 6880 7200 7740 8256 8600 9600 9675 10320 11008 11520 12384 12900 13760 14400 15480 16512 17200 19200 19350 20640 24768 25800 27520 28800 30960 33024 34400 38700 41280 49536 51600 55040 57600 61920 68800 77400 82560 99072 103200 123840 137600 154800 165120 206400 247680 275200 309600 412800 495360 619200 825600 1238400 2476800 32962225027 65924450054 98886675081 131848900108 164811125135 197773350162 263697800216 296660025243 329622250270 395546700324 494433375405 527395600432 593320050486 659244500540 791093400648 824055625675 988866750810 1054791200864 1186640100972 1318489001080 1417375676161 1483300126215 1582186801296 1648111251350 1977733501620 2109582401728 2373280201944 2472166877025 2636978002160 2834751352322 2966600252430 3164373602592 3296222502700 3955467003240 4219164803456 4252127028483 4746560403888 4944333754050 5273956004320 5669502704644 5933200504860 6328747205184 6592445005400 7086878380805 7416500631075 7910934006480 8438329606912 8504254056966 9493120807776 9888667508100 10547912008640 11339005409288 11866401009720 12657494410368 12756381085449 13184890010800 14173756761610 14833001262150 15821868012960 17008508113932 18986241615552 19777335016200 21095824017280 21260635142415 22678010818576 23732802019440 25314988820736 25512762170898 26369780021600 28347513523220 29666002524300 31643736025920 34017016227864 35434391904025 37972483231104 39554670032400 42191648034560 42521270284830 45356021637152 47465604038880 51025524341796 52739560043200 56695027046440 59332005048600 63287472051840 63781905427245 68034032455728 70868783808050 75944966462208 79109340064800 85042540569660 90712043274304 94931208077760 102051048683592 105479120086400 106303175712075 113390054092880 118664010097200 126574944103680 127563810854490 136068064911456 141737567616100 158218680129600 170085081139320 181424086548608 189862416155520 204102097367184 210958240172800 212606351424150 226780108185760 237328020194400 255127621708980 272136129822912 283475135232200 316437360259200 318909527136225 340170162278640 362848173097216 379724832311040 408204194734368 425212702848300 453560216371520 474656040388800 510255243417960 544272259645824 566950270464400 632874720518400 637819054272450 680340324557280 816408389468736 850425405696600 907120432743040 949312080777600 1020510486835920 1088544519291648 1133900540928800 1275638108544900 1360680649114560 1632816778937472 1700850811393200 1814240865486080 1898624161555200 2041020973671840 2267801081857600 2551276217089800 2721361298229120 3265633557874944 3401701622786400 4082041947343680 4535602163715200 5102552434179600 5442722596458240 6803403245572800 8164083894687360 9071204327430400 10205104868359200 13606806491145600 16328167789374720 20410209736718400 27213612982291200 40820419473436800 81640838946873600
- Sum of all divisors σ(n): 298672435014409456
- Sum of proper divisors (its aliquot sum) s(n): 217031596067535856
- 81640838946873600 is an abundant number, because the sum of its proper divisors (217031596067535856) is greater than itself. Its abundance is 135390757120662256
Bases of 81640838946873600
- Binary: 1001000100000101111101001000101001001011111100001000000002
- Hexadecimal: 0x1220BE91497E100
- Base-36: MBV9FN8Z0G0
Squares and roots of 81640838946873600
- 81640838946873600 squared (816408389468736002) is 6665226583949353264723214376960000
- 81640838946873600 cubed (816408389468736003) is 544154690084629640449865403228885293163872256000000
-
The
square root of 81640838946873600 is 285728610.6550647825 -
The
cube root of 81640838946873600 is 433812.9240849039
Scales and comparisons
How big is 81640838946873600?- 81,640,838,946,873,600 seconds is equal to 2,595,926,146 years, 42 weeks, 2 days, 16 hours.
-
To count from 1 to 81,640,838,946,873,600 would take you about seven billion, seven hundred eighty-seven million, seven hundred seventy-eight thousand, four hundred forty 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 81640838946873600 cubic inches would be around 36151.1 feet tall.
Recreational maths with 81640838946873600
- 81640838946873600 backwards is 00637864983804618
- The number of decimal digits it has is: 17
- The sum of 81640838946873600's digits is 81
- More coming soon!
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The information we have on file for 81640838946873600 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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