1221313393440

Names of 1221313393440

• Cardinal: 1221313393440 can be written as One trillion, two hundred twenty-one billion, three hundred thirteen million, three hundred ninety-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.22131339344 × 10¹²

Factors of 1221313393440

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3895

Divisors of 1221313393440

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 28 30 31 32 34 35 36 40 42 45 48 51 56 60 61 62 63 68 70 72 80 84 85 90 93 96 102 105 112 119 120 122 124 126 136 140 144 153 155 160 168 170 180 183 186 204 210 217 224 238 240 244 248 252 255 272 279 280 288 305 306 310 315 336 340 357 360 366 372 408 420 427 434 465 476 480 488 496 504 510 527 544 549 558 560 595 610 612 620 630 651 672 680 714 720 732 744 765 816 840 854 868 915 930 952 976 992 1008 1020 1037 1054 1071 1085 1098 1116 1120 1190 1220 1224 1240 1260 1281 1302 1360 1395 1428 1440 1464 1488 1530 1581 1632 1680 1708 1736 1785 1830 1860 1891 1904 1952 1953 2016 2040 2074 2108 2135 2142 2170 2196 2232 2380 2440 2448 2480 2520 2562 2604 2635 2720 2745 2790 2856 2928 2976 3060 3111 3162 3255 3360 3416 3472 3570 3660 3689 3720 3769 3782 3808 3843 3906 4080 4148 4216 4270 4284 4340 4392 4464 4743 4760 4880 4896 4960 5040 5124 5185 5208 5270 5355 5490 5580 5673 5712 5856 6120 6222 6324 6405 6510 6832 6944 7140 7259 7320 7378 7440 7538 7564 7686 7812 7905 8160 8296 8432 8540 8568 8680 8784 8928 9333 9455 9486 9520 9760 9765 10080 10248 10370 10416 10540 10710 10980 11067 11160 11307 11346 11424 12240 12444 12648 12810 13020 13237 13664 14280 14518 14640 14756 14880 15076 15128 15372 15555 15624 15810 16592 16864 17019 17080 17136 17360 17568 18445 18666 18845 18910 18972 19040 19215 19530 20496 20740 20832 21080 21420 21777 21960 22134 22320 22614 22692 23715 24480 24888 25296 25620 26040 26383 26474 28365 28560 29036 29280 29512 30152 30256 30744 31110 31248 31620 32147 33184 33201 33921 34038 34160 34272 34720 36295 36890 37332 37690 37820 37944 38430 39060 39711 40992 41480 42160 42840 43554 43920 44268 44640 45228 45384 46665 47430 49776 50592 51240 52080 52766 52948 55335 56535 56730 57120 58072 59024 60304 60512 61488 62220 62496 63240 64073 64294 65331 66185 66402 67842 68076 68320 72590 73780 74664 75380 75640 75888 76860 78120 79149 79422 82960 84320 85095 85680 87108 87840 88536 90456 90768 93330 94860 96441 99552 102480 104160 105532 105896 108885 110670 113070 113460 116144 116839 118048 119133 120608 122976 124440 126480 128146 128588 130662 131915 132370 132804 135684 136152 145180 147560 149328 150760 151280 151776 153720 156240 158298 158844 160735 165920 166005 169605 170190 171360 174216 177072 180912 181536 186660 189720 192219 192882 198555 204960 211064 211792 217770 221340 225029 226140 226920 229909 232288 233678 237447 238266 248880 252960 256292 257176 261324 263830 264740 265608 271368 272304 289323 290360 295120 298656 301520 302560 307440 312480 316596 317688 320365 321470 326655 332010 339210 340380 348432 350517 354144 361824 373320 379440 384438 385764 395745 397110 422128 423584 435540 442680 448511 450058 452280 453840 459818 467356 474894 476532 482205 497760 512584 514352 522648 527660 529480 531216 542736 544608 576657 578646 580720 584195 590240 595665 603040 614880 633192 635376 640730 642940 653310 664020 675087 678420 680760 689727 696864 701034 746640 758880 768876 771528 791490 794220 817873 844256 871080 885360 897022 900116 904560 907680 919636 934712 949788 953064 961095 964410 1025168 1028704 1045296 1051551 1055320 1058960 1062432 1085472 1125145 1149545 1153314 1157292 1161440 1168390 1187235 1191330 1266384 1270752 1281460 1285880 1306620 1328040 1345533 1350174 1356840 1361520 1379454 1402068 1446615 1493280 1537752 1543056 1582980 1588440 1609363 1635746 1742160 1752585 1770720 1794044 1800232 1809120 1839272 1869424 1899576 1906128 1922190 1928820 1986263 2025261 2050336 2069181 2090592 2103102 2110640 2117920 2242555 2250290 2299090 2306628 2314584 2336780 2374470 2382660 2453619 2532768 2562920 2571760 2613240 2656080 2691066 2700348 2713680 2723040 2758908 2804136 2883285 2893230 3075504 3086112 3165960 3176880 3218726 3271492 3375435 3448635 3484320 3505170 3588088 3600464 3678544 3738848 3799152 3812256 3844380 3857640 3908453 3972526 4036599 4050522 4089365 4138362 4206204 4221280 4485110 4500580 4598180 4613256 4629168 4673560 4748940 4765320 4828089 4907238 5125840 5143520 5226480 5257755 5312160 5382132 5400696 5427360 5517816 5608272 5766570 5786460 5958789 6151008 6331920 6353760 6437452 6542984 6727665 6750870 6897270 7010340 7127179 7176176 7200928 7357088 7360857 7598304 7688760 7715280 7816906 7945052 8046815 8073198 8101044 8178730 8276724 8412408 8970220 9001160 9196360 9226512 9258336 9347120 9497880 9530640 9656178 9814476 9931315 10126305 10251680 10345905 10452960 10515510 10764264 10801392 11035632 11216544 11533140 11572920 11725359 11917578 12268095 12663840 12874904 13085968 13455330 13501740 13794540 13903841 14020680 14254358 14352352 14484267 14721714 15377520 15430560 15633812 15890104 16093630 16146396 16202088 16357460 16553448 16824816 17876367 17940440 18002320 18392720 18453024 18694240 18995760 19061280 19312356 19542265 19628952 19862630 20182995 20252610 20691810 21031020 21381537 21528528 21602784 22071264 23066280 23145840 23450718 23835156 24140445 24536190 25749808 26171936 26910660 27003480 27359171 27589080 27807682 28041360 28508716 28968534 29443428 29793945 30755040 31267624 31780208 32187260 32292792 32404176 32714920 33106896 33649632 35176077 35635895 35752734 35880880 36004640 36785440 36804285 37991520 38624712 39084530 39257904 39725260 40365990 40505220 41383620 41711523 42062040 42763074 43057056 46132560 46291680 46901436 47670312 48280890 49072380 49890253 51499616 53821320 54006960 54718342 55178160 55615364 56082720 57017432 57937068 58626795 58886856 59587890 62535248 63560416 64144611 64374520 64585584 64808352 65429840 66213792 69519205 70352154 71271790 71505468 71761760 72421335 73608570 77249424 78169060 78515808 79450520 80731980 81010440 82077513 82767240 83423046 84124080 85526148 89381835 92265120 93802872 95340624 96561780 98144760 99780506 106907685 107642640 108013920 109436684 110356320 111230728 114034864 115874136 117253590 117773712 119175780 121162043 125070496 125134569 128289222 128749040 129171168 130859680 136795855 139038410 140704308 142543580 143010936 144842670 147217140 149670759 154498848 156338120 158901040 161463960 162020880 164155026 165534480 166846092 168248160 171052296 175880385 178763670 187605744 190681248 193123560 196289520 199561012 208557615 213815370 215285280 218873368 222461456 228069728 231748272 234507180 235547424 238351560 242324086 246232539 249451265 250269138 256578444 257498080 273591710 278076820 281408616 285087160 286021872 289685340 294434280 299341518 312676240 317802080 320723055 322927920 324041760 328310052 331068960 333692184 342104592 351760770 357527340 363486129 375211488 386247120 392579040 399122024 410387565 417115230 427630740 437746736 444922912 449012277 463496544 469014360 476703120 484648172 492465078 498902530 500538276 513156888 547183420 556153640 562817232 570174320 572043744 579370680 588868560 598683036 605810215 625352480 625672845 641446110 645855840 656620104 667384368 684209184 703521540 715054680 726972258 748353795 772494240 798244048 820775130 834230460 848134301 855261480 875493472 898024554 938028720 953406240 969296344 984930156 997805060 1001076552 1026313776 1090458387 1094366840 1112307280 1125634464 1140348640 1158741360 1177737120 1197366072 1211620430 1231162695 1251345690 1282892220 1313240208 1334768736 1407043080 1430109360 1453944516 1496707590 1596488096 1641550260 1668460920 1696268602 1710522960 1796049108 1817430645 1876057440 1938592688 1969860312 1995610120 2002153104 2052627552 2180916774 2188733680 2224614560 2245061385 2317482720 2394732144 2423240860 2462325390 2502691380 2544402903 2565784440 2626480416 2814086160 2860218720 2907889032 2993415180 3283100520 3336921840 3392537204 3421045920 3592098216 3634861290 3877185376 3939720624 3991220240 4004306208 4240671505 4361833548 4377467360 4490122770 4789464288 4846481720 4924650780 5005382760 5088805806 5131568880 5452291935 5628172320 5815778064 5986830360 6566201040 6673843680 6785074408 7184196432 7269722580 7633208709 7879441248 7982440480 8481343010 8723667096 8980245540 9692963440 9849301560 10010765520 10177611612 10263137760 10904583870 11631556128 11973660720 12722014515 13132402080 13570148816 14368392864 14539445160 15266417418 16962686020 17447334192 17960491080 19385926880 19698603120 20021531040 20355223224 21809167740 23947321440 25444029030 27140297632 29078890320 30532834836 33925372040 34894668384 35920982160 38166043545 39397206240 40710446448 43618335480 50888058060 58157780640 61065669672 67850744080 71841964320 76332087090 81420892896 87236670960 101776116120 122131339344 135701488160 152664174180 174473341920 203552232240 244262678688 305328348360 407104464480 610656696720 1221313393440
• Sum of all divisors σ(n): 5292741242880
• Sum of proper divisors (its aliquot sum) s(n): 4071427849440
• 1221313393440 is an abundant number, because the sum of its proper divisors (4071427849440) is greater than itself. Its abundance is 2850114456000

Bases of 1221313393440

• Binary: 10001110001011011111100110111001100100000₂
• Hexadecimal: 0x11C5BF37320
• Base-36: FL2AGLK0

Squares and roots of 1221313393440

• 1221313393440 squared (1221313393440²) is 1491606404995928235033600
• 1221313393440 cubed (1221313393440³) is 1821718880162416082111595908419584000
• The square root of 1221313393440 is 1105130.4870647629
• The cube root of 1221313393440 is 10689.1303523849

Scales and comparisons

• 1,221,313,393,440 seconds is equal to 38,833 years, 51 weeks, 2 days, 16 hours, 24 minutes.
• To count from 1 to 1,221,313,393,440 would take you about ninety-seven thousand and eighty-four 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 1221313393440 cubic inches would be around 890.8 feet tall.

Recreational maths with 1221313393440

• 1221313393440 backwards is 0443933131221
• 1221313393440 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1221313393440's digits is 36
• More coming soon!