20121644917920

Names of 20121644917920

• Cardinal: 20121644917920 can be written as Twenty trillion, one hundred twenty-one billion, six hundred forty-four million, nine hundred seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.012164491792 × 10¹³

Factors of 20121644917920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 157

Divisors of 20121644917920

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 52 56 60 65 70 78 80 84 91 96 104 105 112 120 127 130 140 156 160 168 169 182 195 208 210 224 240 254 260 273 280 312 336 338 364 381 390 416 420 455 480 507 508 520 546 560 624 635 672 676 728 762 780 840 845 889 910 1014 1016 1040 1092 1120 1183 1248 1270 1352 1365 1456 1524 1560 1651 1680 1690 1778 1820 1905 2028 2032 2080 2184 2197 2366 2535 2540 2667 2704 2730 2912 3048 3120 3302 3360 3380 3549 3556 3640 3810 4056 4064 4368 4394 4445 4732 4953 5070 5080 5334 5408 5460 5915 6096 6240 6591 6604 6760 7098 7112 7280 7620 8112 8255 8736 8788 8890 9464 9906 10140 10160 10668 10920 10985 11557 11830 12192 13182 13208 13335 13520 14196 14224 14560 15240 15379 16129 16224 16510 17576 17745 17780 18928 19812 20280 20320 21336 21463 21840 21970 23114 23660 24765 26364 26416 26670 27040 28392 28448 28561 30480 30758 32258 32955 33020 34671 35152 35490 35560 37856 39624 40560 42672 42926 43680 43940 46137 46228 47320 48387 49530 52728 52832 53340 56784 57122 57785 60960 61516 64389 64516 65910 66040 69342 70304 70980 71120 76895 79248 80645 81120 85344 85683 85852 87880 92274 92456 94640 96774 99060 105456 106680 107315 112903 113568 114244 115570 123032 128778 129032 131820 132080 138684 141960 142240 142805 150241 153790 158496 161290 171366 171704 173355 175760 184548 184912 189280 193548 198120 199927 209677 210912 213360 214630 225806 228488 230685 231140 241935 246064 257556 258064 263640 264160 277368 279019 283920 285610 300482 307580 321945 322580 338709 342732 343408 346710 351520 369096 369824 371293 387096 396240 399854 419354 426720 428415 429260 450723 451612 456976 461370 462280 483870 492128 515112 516128 527280 554736 558038 564515 567840 571220 599781 600964 615160 629031 643890 645160 677418 685464 686816 693420 738192 742586 751205 774192 792480 799708 837057 838708 856830 858520 901446 903224 913952 922740 924560 967740 999635 1030224 1048385 1054560 1109472 1113879 1116076 1129030 1142440 1199562 1201928 1230320 1258062 1287780 1290320 1354836 1370928 1386840 1395095 1467739 1476384 1485172 1502410 1548384 1599416 1674114 1677416 1693545 1713660 1717040 1802892 1806448 1845480 1849120 1856465 1935480 1953133 1999270 2060448 2096770 2227758 2232152 2253615 2258060 2284880 2399124 2403856 2460640 2516124 2575560 2580640 2599051 2709672 2725801 2741856 2773680 2790190 2935478 2970344 2998905 3004820 3145155 3198832 3348228 3354832 3387090 3427320 3434080 3605784 3612896 3627247 3690960 3712930 3870960 3906266 3998540 4185285 4193540 4403217 4455516 4464304 4507230 4516120 4569760 4798248 4807712 5032248 5151120 5198102 5419344 5451602 5547360 5569395 5580380 5859399 5870956 5940688 5997810 6009640 6290310 6397664 6696456 6709664 6774180 6854640 7211568 7254494 7338695 7381920 7425860 7741920 7797153 7812532 7997080 8177403 8370570 8387080 8806434 8911032 8928608 9014460 9032240 9596496 9765665 10064496 10302240 10396204 10838688 10881741 10903204 11138790 11160760 11718798 11741912 11881376 11995620 12019280 12580620 12995255 13392912 13548360 13629005 13709280 14423136 14508988 14677390 14851720 15594306 15625064 15994160 16354806 16741140 16774160 17612868 17822064 18028920 18064480 18136235 19080607 19192992 19531330 20128992 20792408 21763482 21806408 22016085 22277580 22321520 23437596 23483824 23991240 24038560 25161240 25390729 25990510 26785824 27096720 27258010 29017976 29296995 29354780 29703440 31188612 31250128 31988320 32709612 33482280 33548320 35225736 35435413 35644128 36057840 36272470 38161214 38985765 39062660 40887015 41584816 43526964 43612816 44032170 44555160 44643040 46875192 46967648 47154211 47982480 50322480 50781458 51981020 54193440 54408705 54516020 57241821 58035952 58593990 58709560 59406880 62377224 62500256 65419224 66964560 70451472 70870826 72115680 72544940 76172187 76322428 77971530 78125320 81774030 83169632 87053928 87225632 88064340 89110320 93750384 94308422 95403035 95964960 100644960 101562916 103962040 106306239 108817410 109032040 114483642 116071904 117187980 117419120 124754448 126953645 130838448 133929120 140902944 141462633 141741652 145089880 152344374 152644856 155943060 156250640 163548060 174107856 176128680 177177065 178220640 187500768 188616844 190806070 203125832 207924080 212612478 217634820 218064080 228967284 234375960 234838240 235771055 248047891 249508896 253907290 261676896 282925266 283483304 286209105 290179760 304688748 305289712 311886120 312501280 327096120 330079477 348215712 352257360 354354130 377233688 380860935 381612140 406251664 415848160 425224956 435269640 436128160 457934568 460660369 468751920 471542110 496095782 507814580 531531195 565850532 566966608 572418210 580359520 609377496 610579424 623772240 654192240 660158954 704514720 707313165 708708260 744143673 754467376 761721870 763224280 812503328 850449912 870539280 915869136 921320738 937503840 943084220 990238431 992191564 1015629160 1063062390 1131701064 1133933216 1144836420 1218754992 1240239455 1247544480 1308384480 1320317908 1381981107 1414626330 1417416520 1488287346 1508934752 1523443740 1526448560 1650397385 1700899824 1741078560 1831738272 1842641476 1886168440 1980476862 1984383128 2031258320 2126124780 2263402128 2289672840 2303301845 2437509984 2480478910 2640635816 2763962214 2829252660 2834833040 2976574692 3046887480 3052897120 3224622583 3300794770 3401799648 3685282952 3720718365 3772336880 3960953724 3968766256 4062516640 4252249560 4526804256 4579345680 4606603690 4951192155 4960957820 5281271632 5527924428 5658505320 5669666080 5953149384 5988584797 6093774960 6449245166 6601589540 6909905535 7370565904 7441436730 7544673760 7921907448 7937532512 8504499120 9158691360 9213207380 9673867749 9902384310 9921915640 10562543264 11055848856 11317010640 11906298768 11977169594 12187549920 12898490332 13203179080 13819811070 14741131808 14882873460 15843814896 16123112915 17008998240 17965754391 18426414760 19347735498 19804768620 19843831280 22111697712 22634021280 23812597536 23954339188 25796980664 26406358160 27639622140 29765746920 29942923985 31687629792 32246225830 35931508782 36852829520 38695470996 39609537240 39687662560 41920093579 44223395424 47908678376 48369338745 51593961328 52812716320 55279244280 59531493840 59885847970 64492451660 71863017564 73705659040 77390941992 79219074480 83840187158 89828771955 95817356752 96738677490 103187922656 110558488560 119062987680 119771695940 125760280737 128984903320 143726035128 154781883984 158438148960 167680374316 179657543910 191634713504 193477354980 209600467895 221116977120 239543391880 251520561474 257969806640 287452070256 309563767968 335360748632 359315087820 386954709960 419200935790 479086783760 503041122948 515939613280 574904140512 628801403685 670721497264 718630175640 773909419920 838401871580 958173567520 1006082245896 1257602807370 1341442994528 1437260351280 1547818839840 1676803743160 2012164491792 2515205614740 2874520702560 3353607486320 4024328983584 5030411229480 6707214972640 10060822458960 20121644917920
• Sum of all divisors σ(n): 79097172997248
• Sum of proper divisors (its aliquot sum) s(n): 58975528079328
• 20121644917920 is an abundant number, because the sum of its proper divisors (58975528079328) is greater than itself. Its abundance is 38853883161408

Bases of 20121644917920

• Binary: 100100100110011101111011111110110010010100000₂
• Hexadecimal: 0x124CEF7F64A0
• Base-36: 74RR7UWTC

Squares and roots of 20121644917920

• 20121644917920 squared (20121644917920²) is 404880594202855763537126400
• 20121644917920 cubed (20121644917920³) is 8146863550706322487927600669800665088000
• The square root of 20121644917920 is 4485715.6528161703
• The cube root of 20121644917920 is 27199.0974856973

Scales and comparisons

• 20,121,644,917,920 seconds is equal to 639,806 years, 3 weeks, 3 days, 18 hours, 32 minutes.
• To count from 1 to 20,121,644,917,920 would take you about one million, five hundred ninety-nine thousand, five hundred fifteen 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 20121644917920 cubic inches would be around 2266.6 feet tall.

Recreational maths with 20121644917920

• 20121644917920 backwards is 02971944612102
• 20121644917920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20121644917920's digits is 48
• More coming soon!