243989121420

Names of 243989121420

• Cardinal: 243989121420 can be written as Two hundred forty-three billion, nine hundred eighty-nine million, one hundred twenty-one thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.4398912142 × 10¹¹

Factors of 243989121420

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 831

Divisors of 243989121420

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 17 18 20 22 29 30 31 33 34 36 44 45 51 55 58 60 62 66 68 85 87 90 93 99 102 110 116 121 124 132 145 153 155 165 170 174 180 186 187 198 204 220 242 255 261 279 290 306 310 319 330 340 341 348 363 372 374 396 435 465 484 493 495 510 522 527 558 561 580 605 612 620 638 660 682 726 733 748 765 870 899 930 935 957 986 990 1020 1023 1044 1054 1089 1116 1122 1210 1276 1305 1364 1395 1452 1466 1479 1530 1581 1595 1683 1705 1740 1798 1815 1860 1870 1914 1972 1980 2046 2057 2108 2178 2199 2244 2420 2465 2610 2635 2697 2790 2805 2871 2932 2958 3060 3069 3162 3190 3366 3410 3509 3596 3630 3665 3740 3751 3828 4092 4114 4356 4398 4437 4495 4743 4785 4930 5115 5220 5270 5394 5423 5445 5580 5610 5742 5797 5916 6138 6171 6324 6380 6597 6732 6820 7018 7260 7330 7395 7502 7905 8063 8091 8228 8415 8796 8874 8990 9486 9570 9860 9889 10230 10285 10527 10540 10788 10846 10890 10995 11220 11253 11484 11594 12276 12342 12461 13194 13485 14036 14355 14660 14790 15004 15283 15345 15810 16126 16182 16269 16830 17391 17545 17748 17980 18513 18755 18972 19140 19778 20460 20570 21054 21257 21692 21780 21990 22185 22506 22723 23188 23715 24189 24684 24922 26388 26970 27115 28710 28985 29580 29667 30566 30690 30855 31581 31620 32252 32364 32538 32985 33660 33759 34782 35090 37026 37383 37510 39556 40315 40455 41140 42108 42514 43980 44370 45012 45446 45849 47430 48378 48807 49445 49844 52173 52635 53940 54230 56265 57420 57970 59334 59653 61132 61380 61710 62305 63162 63767 63771 65076 65970 67518 68169 69564 70180 72567 74052 74766 75020 76415 80630 80910 81345 85028 86955 88693 88740 89001 90892 91698 92565 94860 96756 97614 98890 104346 105270 106285 108460 108779 112149 112530 113615 115940 118668 119306 120945 123420 124610 126324 127534 127542 131940 135036 136338 137071 137547 145134 148335 149532 152830 157905 161260 161820 162690 168113 168795 173910 177386 178002 178959 183396 185130 186915 191301 191313 195228 197780 204507 208692 210540 212570 217558 224298 225060 227230 229245 233827 238612 241890 244035 249220 249953 255068 255084 260865 266079 272676 274142 275094 290268 296670 298265 305660 315810 318835 318855 325380 326337 336226 337590 340845 347820 354772 356004 357918 361369 362835 370260 373830 382602 382626 386291 409014 411213 425140 435116 443465 445005 448596 454460 458490 467654 483780 488070 499906 504339 521730 532158 536877 543895 548284 550188 560745 573903 593340 596530 631620 637670 637710 652674 658967 672452 675180 681690 685355 687735 701481 715836 722738 725670 747660 749859 765204 765252 772582 798237 818028 822426 840565 886930 890010 894795 916980 935308 956505 956565 976140 979011 999812 1008678 1022535 1043460 1064316 1073754 1084107 1087790 1121490 1147806 1158873 1169135 1193060 1233639 1249765 1275340 1275420 1305348 1317934 1330395 1363380 1370710 1375470 1402962 1445476 1451340 1499718 1507781 1513017 1545164 1596474 1631685 1644852 1681130 1773860 1780020 1789590 1806845 1849243 1913010 1913130 1931455 1958022 1976901 2017356 2045070 2056065 2104443 2147508 2168214 2175580 2242980 2249577 2295612 2317746 2338270 2467278 2499530 2521695 2572097 2635868 2660790 2684385 2741420 2749483 2750940 2805924 2869515 2999436 3015562 3026034 3192948 3252321 3263370 3294835 3362260 3476619 3507405 3579180 3613690 3698486 3749295 3826020 3826260 3862910 3916044 3953802 3975059 3991185 4090140 4112130 4208886 4249201 4336428 4499154 4523343 4635492 4676540 4895055 4934556 4999060 5043390 5144194 5321580 5368770 5420535 5498966 5547729 5739030 5794365 5930703 6031124 6052068 6168195 6504642 6526740 6589670 6953238 7014810 7227380 7248637 7396972 7498590 7538905 7565085 7716291 7725820 7907604 7950118 7982370 8224260 8248449 8417772 8498402 8998308 9046686 9246215 9790110 9884505 10086780 10288388 10522215 10737540 10841070 10997932 11095458 11202439 11247885 11478060 11588730 11861406 11925177 12336390 12747603 12860485 13009284 13179340 13570029 13747415 13906476 14029620 14497274 14997180 15077810 15130170 15432582 15900236 15964740 16261605 16496898 16643187 16996804 17383095 18093372 18492430 19580220 19769010 19875295 21044430 21246005 21682140 21745911 22190916 22404878 22495770 22616715 23148873 23177460 23722812 23850354 24672780 24745347 25495206 25720970 27140058 27494830 27738645 28994548 29653515 30155620 30260340 30865164 32523210 32993796 33286374 33607317 34766190 35775531 36243185 36984860 38242809 38581455 39538020 39750590 41242245 42088860 42492010 43491822 43725649 44809756 44991540 45233430 46297746 46741211 47700708 49490694 50990412 51441940 54280116 54989660 55477290 56012195 59307030 59625885 63738015 65046420 65237733 66572748 67214634 67850145 69532380 71551062 72486370 76485618 77162910 79501180 79735007 82484490 83215935 84984020 86983644 87451298 90466860 92595492 93482422 98981388 100821951 108729555 110954580 112024390 115744365 118614060 119251770 123226829 123726735 127476030 130475466 131176947 134429268 135700290 140223633 143102124 144972740 152971236 154325820 159470014 164968980 166431870 168036585 174902596 178877655 186964844 191214045 201643902 217459110 218628245 224048780 231488730 233706055 238503540 239205021 246453658 247453470 254952060 260950932 262353894 271400580 280447266 318940028 326188665 332863740 336073170 357755310 369680487 382428090 393530841 398675035 403287804 420670899 434918220 437256490 462977460 467412110 478410042 492907316 494906940 504109755 524707788 560894532 616134145 652377330 655884735 672146340 701118165 715510620 717615063 739360974 764856180 787061682 797350070 841341798 874512980 934824220 956820084 1008219510 1109041461 1196025105 1232268290 1304754660 1311769470 1355495119 1402236330 1435230126 1478721948 1574123364 1594700140 1682683596 1848402435 1967654205 2016439020 2103354495 2218082922 2392050210 2464536580 2623538940 2710990238 2804472660 2870460252 3588075315 3696804870 3935308410 4066485357 4206708990 4436165844 4784100420 5421980476 5545207305 6777475595 7176150630 7393609740 7870616820 8132970714 8413417980 11090414610 12199456071 13554951190 14352301260 16265941428 20332426785 22180829220 24398912142 27109902380 40664853570 48797824284 60997280355 81329707140 121994560710 243989121420
• Sum of all divisors σ(n): 921051855360
• Sum of proper divisors (its aliquot sum) s(n): 677062733940
• 243989121420 is an abundant number, because the sum of its proper divisors (677062733940) is greater than itself. Its abundance is 433073612520

Bases of 243989121420

• Binary: 11100011001110111000101000100110001100₂
• Hexadecimal: 0x38CEE2898C
• Base-36: 3434TMZ0

Squares and roots of 243989121420

• 243989121420 squared (243989121420²) is 59530691371303502816400
• 243989121420 cubed (243989121420³) is 14524841085209516652341931567288000
• The square root of 243989121420 is 493952.5497656633
• The cube root of 243989121420 is 6248.7069019327

Scales and comparisons

• 243,989,121,420 seconds is equal to 7,758 years, 5 weeks, 1 day, 3 hours, 57 minutes.
• To count from 1 to 243,989,121,420 would take you about fifteen thousand, five hundred sixteen 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 243989121420 cubic inches would be around 520.7 feet tall.

Recreational maths with 243989121420

• 243989121420 backwards is 024121989342
• 243989121420 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 243989121420's digits is 45
• More coming soon!