81988807680
81,988,807,680 is an even composite number composed of seven prime numbers multiplied together.
81988807680 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one thousand and fifty-six divisors.
Prime factorization of 81988807680:
210 × 32 × 5 × 13 × 17 × 83 × 97
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 17 × 83 × 97)See below for interesting mathematical facts about the number 81988807680 from the Numbermatics database.
Names of 81988807680
- Cardinal: 81988807680 can be written as Eighty-one billion, nine hundred eighty-eight million, eight hundred seven thousand, six hundred eighty.
Scientific notation
- Scientific notation: 8.198880768 × 1010
Factors of 81988807680
Divisors of 81988807680
- Number of divisors d(n): 1056
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 30 32 34 36 39 40 45 48 51 52 60 64 65 68 72 78 80 83 85 90 96 97 102 104 117 120 128 130 136 144 153 156 160 166 170 180 192 194 195 204 208 221 234 240 249 255 256 260 272 288 291 306 312 320 332 340 360 384 388 390 408 415 416 442 468 480 485 498 510 512 520 544 576 582 585 612 624 640 663 664 680 720 747 765 768 776 780 816 830 832 873 884 936 960 970 996 1020 1024 1040 1079 1088 1105 1152 1164 1170 1224 1245 1248 1261 1280 1326 1328 1360 1411 1440 1455 1494 1530 1536 1552 1560 1632 1649 1660 1664 1746 1768 1872 1920 1940 1989 1992 2040 2080 2158 2176 2210 2304 2328 2340 2448 2490 2496 2522 2560 2652 2656 2720 2822 2880 2910 2988 3060 3072 3104 3120 3237 3264 3298 3315 3320 3328 3492 3536 3735 3744 3783 3840 3880 3978 3984 4080 4160 4233 4316 4352 4365 4420 4608 4656 4680 4896 4947 4980 4992 5044 5120 5304 5312 5395 5440 5644 5760 5820 5976 6120 6208 6240 6305 6474 6528 6596 6630 6640 6656 6984 7055 7072 7470 7488 7566 7680 7760 7956 7968 8051 8160 8245 8320 8466 8632 8704 8730 8840 9216 9312 9360 9711 9792 9894 9945 9960 9984 10088 10608 10624 10790 10880 11288 11349 11520 11640 11952 12240 12416 12480 12610 12699 12948 13056 13192 13260 13280 13312 13968 14110 14144 14841 14940 14976 15132 15360 15520 15912 15936 16102 16185 16320 16490 16640 16932 17264 17408 17460 17680 18343 18624 18720 18915 19422 19584 19788 19890 19920 19968 20176 21165 21216 21248 21437 21580 21760 22576 22698 23040 23280 23904 24153 24480 24735 24832 24960 25220 25398 25896 26112 26384 26520 26560 27936 28220 28288 29682 29880 29952 30264 31040 31824 31872 32204 32370 32640 32980 33280 33864 34528 34920 35360 36686 37248 37440 37830 38844 39168 39576 39780 39840 39936 40255 40352 42330 42432 42496 42874 43160 43520 45152 45396 46080 46560 47808 48306 48555 48960 49470 49664 49920 50440 50796 51792 52224 52768 53040 53120 55029 55872 56440 56576 56745 59364 59760 59904 60528 62080 63495 63648 63744 64311 64408 64740 65280 65960 66560 67728 69056 69840 70720 72459 73372 74205 74496 74880 75660 77688 78336 79152 79560 79680 80510 80704 84660 84864 84992 85748 86320 87040 90304 90792 91715 93120 95616 96612 97110 97920 98940 99328 99840 100880 101592 103584 104663 105536 106080 106240 107185 110058 111744 112880 113152 113490 118728 119520 119808 120765 121056 124160 126990 127296 127488 128622 128816 129480 130560 131920 135456 136867 138112 139680 141440 144918 146744 148410 148992 149760 151320 155376 156672 158304 159120 159360 161020 161408 165087 169320 169728 171496 172640 180608 181584 183430 186240 191232 192933 193224 194220 195840 197880 199680 201760 203184 207168 209326 211072 212160 212480 214370 220116 223488 225760 226304 226980 237456 239040 241530 242112 248320 253980 254592 254976 257244 257632 258960 261120 263840 270912 273734 275145 276224 279360 282880 289836 293488 296820 297984 299520 302640 310752 313989 316608 318240 318720 321555 322040 322816 330174 338640 339456 342992 345280 361216 362295 363168 366860 372480 382464 385866 386448 388440 391680 395760 403520 406368 410601 414336 418652 422144 424320 424960 428740 440232 446976 451520 453960 474912 478080 483060 484224 496640 507960 509184 514488 515264 517920 523315 527680 541824 547468 550290 552448 558720 565760 579672 586976 593640 599040 605280 621504 627978 633216 636480 637440 643110 644080 645632 660348 677280 678912 684335 685984 690560 722432 724590 726336 733720 744960 764928 771732 772896 776880 783360 791520 807040 812736 821202 825435 828672 837304 844288 848640 857480 880464 893952 903040 907920 941967 949824 956160 964665 966120 968448 1015920 1018368 1028976 1030528 1035840 1046630 1055360 1083648 1094936 1100580 1104896 1117440 1131520 1159344 1173952 1187280 1210560 1231803 1243008 1255956 1266432 1272960 1274880 1286220 1288160 1291264 1320696 1354560 1368670 1371968 1381120 1444864 1449180 1452672 1467440 1489920 1543464 1545792 1553760 1569945 1583040 1614080 1625472 1642404 1650870 1657344 1674608 1688576 1697280 1714960 1760928 1779271 1806080 1815840 1883934 1899648 1912320 1929330 1932240 1936896 2031840 2036736 2053005 2057952 2061056 2071680 2093260 2110720 2167296 2189872 2201160 2234880 2318688 2347904 2374560 2421120 2463606 2486016 2511912 2532864 2545920 2572440 2576320 2641392 2709120 2737340 2743936 2762240 2898360 2905344 2934880 3086928 3091584 3107520 3139890 3166080 3228160 3250944 3284808 3301740 3314688 3349216 3394560 3429920 3521856 3558542 3612160 3631680 3767868 3799296 3824640 3858660 3864480 3873792 4063680 4106010 4115904 4122112 4143360 4186520 4221440 4334592 4379744 4402320 4469760 4637376 4695808 4709835 4749120 4842240 4927212 4972032 5023824 5065728 5091840 5144880 5152640 5282784 5337813 5418240 5474680 5487872 5524480 5796720 5810688 5869760 6159015 6173856 6183168 6215040 6279780 6332160 6456320 6501888 6569616 6603480 6698432 6859840 7043712 7117084 7224320 7263360 7535736 7598592 7717320 7728960 8127360 8212020 8231808 8244224 8286720 8373040 8442880 8759488 8804640 8896355 9274752 9391616 9419670 9498240 9684480 9854424 9944064 10047648 10183680 10289760 10305280 10565568 10675626 10836480 10949360 10975744 11593440 11621376 11739520 12318030 12347712 12366336 12430080 12559560 12664320 13003776 13139232 13206960 13396864 13719680 14087424 14234168 14526720 15071472 15197184 15434640 15457920 16013439 16254720 16424040 16463616 16573440 16746080 17518976 17609280 17792710 18549504 18783232 18839340 18996480 19368960 19708848 20095296 20579520 20610560 21131136 21351252 21672960 21898720 21951488 23186880 23479040 24636060 24695424 24732672 24860160 25119120 25328640 26278464 26413920 26689065 26793728 27439360 28174848 28468336 29053440 30142944 30869280 30915840 32026878 32509440 32848080 32927232 33492160 35037952 35218560 35585420 37099008 37678680 37992960 39417696 40190592 41159040 41221120 42262272 42702504 43797440 46373760 46958080 49272120 49390848 49720320 50238240 52556928 52827840 53378130 53587456 54878720 56349696 56936672 58106880 60285888 61738560 61831680 64053756 65018880 65696160 65854464 66984320 70075904 70437120 71170840 74198016 75357360 75985920 78835392 80067195 80381184 82318080 84524544 85405008 87594880 92747520 93916160 98544240 98781696 100476480 105113856 105655680 106756260 107174912 109757440 113873344 120571776 123477120 123663360 128107512 131392320 133968640 140151808 140874240 142341680 150714720 157670784 160134390 160762368 164636160 169049088 170810016 175189760 185495040 197088480 197563392 200952960 210227712 211311360 213512520 227746688 241143552 246954240 256215024 262784640 267937280 281748480 284683360 301429440 315341568 320268780 321524736 329272320 341620032 350379520 370990080 394176960 401905920 420455424 422622720 427025040 455493376 482287104 493908480 512430048 525569280 535874560 569366720 602858880 630683136 640537560 683240064 700759040 788353920 803811840 845245440 854050080 910986752 964574208 987816960 1024860096 1051138560 1138733440 1205717760 1261366272 1281075120 1366480128 1576707840 1607623680 1708100160 1821973504 2049720192 2102277120 2277466880 2411435520 2562150240 2732960256 3153415680 3416200320 4099440384 4554933760 4822871040 5124300480 5465920512 6306831360 6832400640 8198880768 9109867520 10248600960 13664801280 16397761536 20497201920 27329602560 40994403840 81988807680
- Sum of all divisors σ(n): 331221369024
- Sum of proper divisors (its aliquot sum) s(n): 249232561344
- 81988807680 is an abundant number, because the sum of its proper divisors (249232561344) is greater than itself. Its abundance is 167243753664
Bases of 81988807680
- Binary: 10011000101101110100111101100000000002
- Hexadecimal: 0x1316E9EC00
- Base-36: 11NY0OW0
Squares and roots of 81988807680
- 81988807680 squared (819888076802) is 6722164584788026982400
- 81988807680 cubed (819888076803) is 551142259335492597826644344832000
-
The
square root of 81988807680 is 286336.8779602097 -
The
cube root of 81988807680 is 4344.2838148763
Scales and comparisons
How big is 81988807680?- 81,988,807,680 seconds is equal to 2,606 years, 51 weeks, 3 days, 12 hours, 48 minutes.
-
To count from 1 to 81,988,807,680 would take you about five thousand, two hundred thirteen 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 81988807680 cubic inches would be around 362 feet tall.
Recreational maths with 81988807680
- 81988807680 backwards is 08670888918
- The number of decimal digits it has is: 11
- The sum of 81988807680's digits is 63
- More coming soon!
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"Number 81988807680 - Facts about the integer". Numbermatics.com. 2024. Web. 25 June 2024.
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Numbermatics. (2024). Number 81988807680 - Facts about the integer. Retrieved 25 June 2024, from https://numbermatics.com/n/81988807680/
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The information we have on file for 81988807680 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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