1221642354240

Names of 1221642354240

• Cardinal: 1221642354240 can be written as One trillion, two hundred twenty-one billion, six hundred forty-two million, three hundred fifty-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.22164235424 × 10¹²

Factors of 1221642354240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 30192

Divisors of 1221642354240

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 27 28 30 32 33 35 36 40 42 44 45 48 54 55 56 60 61 63 64 66 70 72 77 80 84 88 90 96 99 105 108 110 112 120 122 126 132 135 140 144 154 160 165 168 176 180 183 189 192 198 210 216 220 224 231 240 244 252 264 270 280 288 297 305 308 315 320 330 336 352 360 366 378 385 396 420 427 432 440 448 462 480 488 495 504 528 540 549 560 576 594 610 616 630 660 671 672 693 704 720 732 756 770 792 840 854 864 880 915 924 945 960 976 990 1008 1056 1080 1098 1120 1155 1188 1220 1232 1260 1281 1320 1342 1344 1386 1440 1464 1485 1512 1540 1584 1647 1680 1708 1728 1760 1830 1848 1890 1952 1980 2013 2016 2079 2112 2135 2160 2196 2240 2310 2376 2440 2464 2520 2562 2640 2684 2745 2772 2880 2928 2970 3024 3080 3168 3294 3355 3360 3416 3465 3520 3660 3696 3780 3843 3904 3960 4026 4032 4158 4270 4320 4392 4620 4697 4752 4880 4928 5040 5124 5280 5368 5490 5544 5856 5940 6039 6048 6160 6336 6405 6588 6710 6720 6832 6930 7320 7392 7560 7686 7920 8052 8235 8316 8540 8640 8784 9240 9394 9504 9760 10065 10080 10248 10395 10560 10736 10980 11088 11529 11712 11880 12078 12096 12320 12810 13176 13420 13664 13860 14091 14640 14784 15120 15372 15840 16104 16470 16632 17080 17568 18117 18480 18788 19008 19215 19520 20130 20160 20496 20790 21472 21960 22176 23058 23485 23760 24156 24640 25620 26352 26840 27328 27720 28182 29280 30103 30195 30240 30744 31680 32208 32940 33264 34160 35136 36234 36960 37576 38430 40260 40992 41580 42273 42944 43920 44352 46116 46970 47520 48312 51240 52704 53680 55440 56364 57645 58560 60206 60390 60480 61488 64416 65880 66528 68320 70455 72468 73920 75152 76860 80520 81984 83160 84546 87840 90309 90585 92232 93940 95040 96624 102480 105408 107360 110880 112728 115290 120412 120780 122976 126819 128832 131760 133056 136640 140910 144936 150304 150515 153720 161040 166320 169092 175680 180618 181170 184464 187880 193248 204960 210721 211365 214720 221760 225456 230580 240824 241560 245952 253638 263520 270927 281820 289872 300608 301030 307440 322080 331133 332640 338184 361236 362340 368928 375760 386496 409920 421442 422730 450912 451545 461160 481648 483120 507276 527040 541854 563640 579744 602060 614880 632163 634095 644160 662266 665280 676368 722472 724680 737856 751520 812781 842884 845460 901824 903090 922320 963296 966240 993399 1014552 1053605 1083708 1127280 1159488 1204120 1229760 1264326 1268190 1324532 1352736 1354635 1444944 1449360 1503040 1625562 1655665 1685768 1690920 1806180 1836283 1844640 1896489 1926592 1932480 1986798 2029104 2107210 2167416 2254560 2317931 2408240 2528652 2536380 2649064 2705472 2709270 2889888 2898720 2980197 3160815 3251124 3311330 3371536 3381840 3612360 3672566 3689280 3792978 3973596 4058208 4063905 4214420 4334832 4509120 4635862 4816480 4966995 5057304 5072760 5298128 5418540 5508849 5689467 5779776 5797440 5960394 6321630 6502248 6622660 6743072 6763680 6953793 7224720 7345132 7585956 7947192 8116416 8127810 8428840 8669664 8940591 9181415 9271724 9482445 9632960 9933990 10114608 10145520 10596256 10837080 11017698 11378934 11589655 11920788 12643260 12853981 13004496 13245320 13486144 13527360 13907586 14449440 14690264 14900985 15171912 15894384 16255620 16526547 16857680 17339328 17881182 18362830 18543448 18964890 19867980 20199113 20229216 20291040 20861379 21192512 21674160 22035396 22757868 23179310 23841576 25286520 25707962 26008992 26490640 27544245 27815172 28447335 28898880 29380528 29801970 30343824 31788768 32511240 33053094 33715360 34768965 35762364 36725660 37086896 37929780 38561943 39735960 40398226 40458432 40582080 41722758 43348320 44070792 44702955 45515736 46358620 47683152 49579641 50573040 51415924 52017984 52981280 55088490 55630344 56894670 58761056 59603940 60597339 60687648 62584137 63577536 64269905 65022480 66106188 67430720 69537930 71524728 73451320 74173792 75859560 77123886 79471920 80796452 82632735 83445516 86696640 88141584 89405910 91031472 92717240 95366304 99159282 100995565 101146080 102831848 104306895 105962560 110176980 111260688 113789340 115685829 117522112 119207880 121194678 121375296 125168274 128539810 130044960 132212376 139075860 141393791 143049456 146902640 148347584 151719120 154247772 158943840 161592904 165265470 166891032 176283168 178811820 181792017 182062944 185434480 190732608 192809715 198318564 201991130 202292160 205663696 208613790 220353960 222521376 227578680 231371658 238415760 242389356 247898205 250336548 257079620 260089920 264424752 278151720 282787582 286098912 293805280 302986695 303438240 308495544 312920685 317887680 323185808 330530940 333782064 347057487 352566336 357623640 363584034 364125888 370868960 385619430 396637128 403982260 411327392 417227580 424181373 440707920 445042752 455157360 462743316 476831520 484778712 495796410 500673096 514159240 528849504 545376051 556303440 565575164 572197824 578429145 587610560 605973390 606876480 616991088 625841370 646371616 661061880 667564128 694114974 706968955 715247280 727168068 741737920 771238860 793274256 807964520 822654784 834455160 848362746 881415840 908960085 910314720 925486632 953663040 969557424 991592820 1001346192 1028318480 1057699008 1090752102 1112606880 1131150328 1156858290 1211946780 1233982176 1251682740 1272544119 1292743232 1322123760 1335128256 1388229948 1413937910 1430494560 1454336136 1542477720 1586548512 1615929040 1668910320 1696725492 1735287435 1762831680 1817920170 1820629440 1850973264 1939114848 1983185640 2002692384 2056636960 2120906865 2181504204 2225213760 2262300656 2313716580 2423893560 2467964352 2503365480 2545088238 2644247520 2726880255 2776459896 2827875820 2860989120 2908672272 3084955440 3173097024 3231858080 3337820640 3393450984 3470574870 3635840340 3701946528 3817632357 3878229696 3966371280 4005384768 4113273920 4241813730 4363008408 4524601312 4627433160 4847787120 5006730960 5090176476 5288495040 5453760510 5552919792 5655751640 5817344544 6169910880 6362720595 6463716160 6675641280 6786901968 6941149740 7271680680 7403893056 7635264714 7932742560 8483627460 8726016816 9049202624 9254866320 9695574240 10013461920 10180352952 10907521020 11105839584 11311503280 11634689088 12339821760 12725441190 13573803936 13882299480 14543361360 15270529428 15865485120 16967254920 17452033632 18509732640 19088161785 19391148480 20026923840 20360705904 21815042040 22211679168 22623006560 25450882380 27147607872 27764598960 29086722720 30541058856 33934509840 34904067264 37019465280 38176323570 40721411808 43630084080 45246013120 50901764760 55529197920 58173445440 61082117712 67869019680 76352647140 81442823616 87260168160 101803529520 111058395840 122164235424 135738039360 152705294280 174520336320 203607059040 244328470848 305410588560 407214118080 610821177120 1221642354240
• Sum of all divisors σ(n): 5461376163840
• Sum of proper divisors (its aliquot sum) s(n): 4239733809600
• 1221642354240 is an abundant number, because the sum of its proper divisors (4239733809600) is greater than itself. Its abundance is 3018091455360

Bases of 1221642354240

• Binary: 10001110001101111100011101111111001000000₂
• Hexadecimal: 0x11C6F8EFE40
• Base-36: FL7QBDC0

Squares and roots of 1221642354240

• 1221642354240 squared (1221642354240²) is 1492410041673049645977600
• 1221642354240 cubed (1221642354240³) is 1823191316800880877872473810305024000
• The square root of 1221642354240 is 1105279.3105093391
• The cube root of 1221642354240 is 10690.0899720951

Scales and comparisons

• 1,221,642,354,240 seconds is equal to 38,844 years, 23 weeks, 2 days, 2 hours, 24 minutes.
• To count from 1 to 1,221,642,354,240 would take you about ninety-seven thousand, one hundred eleven 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 1221642354240 cubic inches would be around 890.8 feet tall.

Recreational maths with 1221642354240

• 1221642354240 backwards is 0424532461221
• 1221642354240 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1221642354240's digits is 36
• More coming soon!