81397816012800
81,397,816,012,800 is an even composite number composed of six prime numbers multiplied together.
81397816012800 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two thousand, three hundred forty divisors.
Prime factorization of 81397816012800:
212 × 34 × 52 × 7 × 972 × 149
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 97 × 97 × 149)See below for interesting mathematical facts about the number 81397816012800 from the Numbermatics database.
Names of 81397816012800
- Cardinal: 81397816012800 can be written as Eighty-one trillion, three hundred ninety-seven billion, eight hundred sixteen million, twelve thousand, eight hundred.
Scientific notation
- Scientific notation: 8.13978160128 × 1013
Factors of 81397816012800
Divisors of 81397816012800
- Number of divisors d(n): 2340
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 32 35 36 40 42 45 48 50 54 56 60 63 64 70 72 75 80 81 84 90 96 97 100 105 108 112 120 126 128 135 140 144 149 150 160 162 168 175 180 189 192 194 200 210 216 224 225 240 252 256 270 280 288 291 298 300 315 320 324 336 350 360 378 384 388 400 405 420 432 447 448 450 480 485 504 512 525 540 560 567 576 582 596 600 630 640 648 672 675 679 700 720 745 756 768 776 800 810 840 864 873 894 896 900 945 960 970 1008 1024 1043 1050 1080 1120 1134 1152 1164 1192 1200 1260 1280 1296 1341 1344 1350 1358 1400 1440 1455 1490 1512 1536 1552 1575 1600 1620 1680 1728 1746 1788 1792 1800 1890 1920 1940 2016 2025 2037 2048 2086 2100 2160 2235 2240 2268 2304 2328 2384 2400 2425 2520 2560 2592 2619 2682 2688 2700 2716 2800 2835 2880 2910 2980 3024 3072 3104 3129 3150 3200 3240 3360 3395 3456 3492 3576 3584 3600 3725 3780 3840 3880 4023 4032 4050 4074 4096 4172 4200 4320 4365 4470 4480 4536 4608 4656 4725 4768 4800 4850 5040 5120 5184 5215 5238 5364 5376 5400 5432 5600 5670 5760 5820 5960 6048 6111 6144 6208 6258 6300 6400 6480 6705 6720 6790 6912 6984 7152 7168 7200 7275 7450 7560 7680 7760 7857 8046 8064 8100 8148 8344 8400 8640 8730 8940 8960 9072 9216 9312 9387 9409 9450 9536 9600 9700 10080 10185 10240 10368 10430 10476 10728 10752 10800 10864 11175 11200 11340 11520 11640 11920 12069 12096 12222 12288 12416 12516 12600 12800 12960 13095 13410 13440 13580 13824 13968 14175 14304 14336 14400 14453 14550 14900 15120 15360 15520 15645 15714 16092 16128 16200 16296 16688 16800 16975 17280 17460 17880 17920 18144 18333 18432 18624 18774 18818 18900 19072 19200 19400 20115 20160 20370 20480 20736 20860 20952 21456 21504 21600 21728 21825 22350 22400 22680 23040 23280 23840 24138 24192 24444 24832 25032 25200 25600 25920 26075 26190 26820 26880 27160 27648 27936 28161 28227 28350 28608 28672 28800 28906 29100 29800 30240 30555 30720 31040 31290 31428 32184 32256 32400 32592 33376 33525 33600 33950 34560 34920 35760 35840 36288 36666 36864 37248 37548 37636 37800 38144 38400 38800 39285 40230 40320 40740 41472 41720 41904 42912 43008 43200 43359 43456 43650 44700 44800 45360 46080 46560 46935 47045 47680 48276 48384 48888 49664 50064 50400 50925 51200 51840 52150 52380 53640 53760 54320 54999 55296 55872 56322 56454 56700 57216 57600 57812 58200 59600 60345 60480 61110 61440 62080 62580 62856 64368 64512 64800 65184 65475 65863 66752 67050 67200 67900 69120 69840 71520 71680 72265 72576 73332 74496 75096 75272 75600 76288 76800 77600 78225 78570 80460 80640 81480 82944 83440 83808 84483 84681 85824 86016 86400 86718 86912 87300 89400 89600 90720 91665 92160 93120 93870 94090 95360 96552 96768 97776 99328 100128 100575 100800 101171 101850 102400 103680 104300 104760 107280 107520 108640 109998 110592 111744 112644 112908 113400 114432 115200 115624 116400 119200 120690 120960 122220 124160 125160 125712 128736 129024 129600 130077 130368 130950 131726 133504 134100 134400 135800 138240 139680 140805 141135 143040 143360 144530 145152 146664 148992 150192 150544 151200 152576 152775 153600 155200 156450 157140 160920 161280 162960 165888 166880 167616 168966 169362 171648 172800 173436 173824 174600 178800 179200 181440 183330 184320 186240 187740 188180 190720 193104 193536 195552 196425 197589 198656 200256 201150 201600 202342 203700 207360 208600 209520 214560 215040 216795 217280 219996 223488 225288 225816 226800 228864 230400 231248 232800 234675 235225 238400 241380 241920 244440 248320 250320 251424 254043 257472 258048 259200 260154 260736 261900 263452 267008 268200 268800 271600 274995 276480 279360 281610 282270 286080 289060 290304 293328 297984 300384 301088 301725 302400 303513 305152 305550 307200 310400 312900 314280 321840 322560 325920 329315 331776 333760 335232 337932 338724 343296 345600 346872 347648 349200 357600 358400 361325 362880 366660 372480 375480 376360 381440 386208 387072 390231 391104 392850 395178 397312 400512 402300 403200 404684 407400 414720 417200 419040 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69929395200 70657826400 71779379200 72676621440 75368348160 77521729536 78042009600 79490054700 80751801600 83915274240 84789391680 86135255040 90442017792 90845776800 91049011200 93239193600 94210435200 96902161920 100491130880 101747270016 104894092800 105986739600 107669068800 109258813440 113052522240 116282594304 119878963200 120589357056 121127702400 125613913600 127184087520 129202882560 135663026688 136573516800 139858790400 141315652800 143558758400 145353242880 150736696320 155043459072 158980109400 161503603200 167830548480 169578783360 180884035584 181691553600 182098022400 188420870400 193804323840 200982261760 203494540032 209788185600 211973479200 215338137600 226105044480 232565188608 242255404800 251227827200 254368175040 258405765120 271326053376 273147033600 279717580800 282631305600 290706485760 301473392640 317960218800 323007206400 339157566720 361768071168 363383107200 376841740800 387608647680 406989080064 419576371200 423946958400 430676275200 452210088960 465130377216 484510809600 502455654400 508736350080 542652106752 546294067200 565262611200 581412971520 602946785280 635920437600 646014412800 678315133440 726766214400 753683481600 775217295360 813978160128 839152742400 847893916800 904420177920 969021619200 1004911308800 1017472700160 1085304213504 1130525222400 1162825943040 1271840875200 1292028825600 1356630266880 1453532428800 1507366963200 1627956320256 1695787833600 1808840355840 1938043238400 2034945400320 2261050444800 2325651886080 2543681750400 2713260533760 2907064857600 3014733926400 3255912640512 3391575667200 3876086476800 4069890800640 4522100889600 5087363500800 5426521067520 5814129715200 6783151334400 8139781601280 9044201779200 10174727001600 11628259430400 13566302668800 16279563202560 20349454003200 27132605337600 40698908006400 81397816012800
- Sum of all divisors σ(n): 350516712704400
- Sum of proper divisors (its aliquot sum) s(n): 269118896691600
- 81397816012800 is an abundant number, because the sum of its proper divisors (269118896691600) is greater than itself. Its abundance is 187721080678800
Bases of 81397816012800
- Binary: 100101000000111111001111110100010110000000000002
- Hexadecimal: 0x4A07E7E8B000
- Base-36: SUPN20W00
Squares and roots of 81397816012800
- 81397816012800 squared (813978160128002) is 6625604451653640089763840000
- 81397816012800 cubed (813978160128003) is 539309732129291628737987124922417152000000
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The
square root of 81397816012800 is 9022073.8199595773 -
The
cube root of 81397816012800 is 43338.2047932033
Scales and comparisons
How big is 81397816012800?- 81,397,816,012,800 seconds is equal to 2,588,198 years, 40 weeks.
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To count from 1 to 81,397,816,012,800 would take you about six million, four hundred seventy thousand, four hundred ninety-six 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 81397816012800 cubic inches would be around 3611.5 feet tall.
Recreational maths with 81397816012800
- 81397816012800 backwards is 00821061879318
- 81397816012800 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81397816012800's digits is 54
- More coming soon!
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The information we have on file for 81397816012800 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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