21124134720

Names of 21124134720

• Cardinal: 21124134720 can be written as Twenty-one billion, one hundred twenty-four million, one hundred thirty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.112413472 × 10¹⁰

Factors of 21124134720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 100

Divisors of 21124134720

• Number of divisors d(n): 1344
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 23 24 26 27 30 32 34 36 37 39 40 45 46 48 51 52 54 60 64 65 68 69 72 74 78 80 85 90 92 96 102 104 108 111 115 117 120 130 135 136 138 144 148 153 156 160 169 170 180 184 185 192 195 204 207 208 216 221 222 230 234 240 255 260 270 272 276 288 296 299 306 312 320 333 338 340 345 351 360 368 370 390 391 408 414 416 432 442 444 459 460 468 480 481 507 510 520 540 544 552 555 576 585 592 598 612 621 624 629 663 666 676 680 690 702 720 736 740 765 780 782 816 828 832 845 851 864 884 888 897 918 920 936 960 962 999 1014 1020 1035 1040 1080 1088 1104 1105 1110 1170 1173 1184 1196 1224 1242 1248 1258 1326 1332 1352 1360 1380 1404 1440 1443 1472 1480 1495 1521 1530 1560 1564 1632 1656 1665 1690 1702 1728 1755 1768 1776 1794 1836 1840 1872 1887 1924 1955 1989 1998 2028 2040 2070 2080 2160 2208 2210 2220 2295 2340 2346 2368 2392 2405 2448 2484 2496 2516 2535 2553 2652 2664 2691 2704 2720 2760 2808 2873 2880 2886 2960 2990 3042 3060 3105 3120 3128 3145 3264 3312 3315 3330 3380 3404 3510 3519 3536 3552 3588 3672 3680 3744 3774 3848 3887 3910 3978 3996 4056 4080 4140 4160 4255 4320 4329 4416 4420 4440 4485 4563 4590 4680 4692 4784 4810 4896 4968 4995 5032 5070 5083 5106 5304 5328 5382 5408 5440 5520 5616 5661 5746 5772 5865 5920 5967 5980 6084 6120 6210 6240 6253 6256 6290 6624 6630 6660 6760 6808 7020 7038 7072 7104 7176 7215 7344 7360 7488 7548 7605 7659 7696 7774 7820 7956 7992 8073 8112 8160 8177 8280 8510 8619 8640 8658 8840 8880 8970 9126 9180 9360 9384 9435 9568 9620 9792 9936 9945 9990 10064 10140 10166 10212 10557 10608 10656 10764 10816 11040 11063 11232 11322 11492 11544 11661 11730 11840 11934 11960 12168 12240 12420 12480 12506 12512 12580 12765 12987 13248 13260 13320 13455 13520 13616 14040 14076 14144 14352 14365 14430 14467 14688 15096 15210 15249 15318 15392 15548 15640 15912 15984 16146 16224 16320 16354 16560 16983 17020 17238 17316 17595 17680 17760 17940 18252 18360 18720 18759 18768 18870 19136 19240 19435 19872 19890 19980 20128 20280 20332 20424 21114 21216 21312 21528 21645 22080 22126 22464 22644 22815 22977 22984 23088 23322 23460 23868 23920 24336 24480 24531 24840 25012 25024 25160 25415 25530 25857 25974 26520 26640 26910 27040 27232 28080 28152 28305 28704 28730 28860 28934 29376 29835 30192 30420 30498 30636 30784 31096 31265 31280 31824 31968 32292 32448 32708 33120 33189 33966 34040 34476 34632 34983 35190 35360 35520 35880 36504 36720 37440 37518 37536 37740 38295 38480 38870 39744 39780 39960 40256 40365 40560 40664 40848 40885 42228 42432 43056 43095 43290 43401 44252 45288 45630 45747 45954 45968 46176 46644 46920 47736 47840 48672 48960 49062 49680 50024 50320 50830 51060 51714 51948 52785 53040 53280 53820 54080 54464 55315 56160 56277 56304 56610 57408 57460 57720 57868 58305 59670 60384 60840 60996 61272 62192 62530 62560 63648 63936 64584 64935 65416 66079 66240 66378 67932 68080 68952 69264 69966 70380 70720 71760 72335 73008 73440 73593 75036 75072 75480 76245 76590 76960 77571 77740 79560 79920 80730 81120 81328 81696 81770 84456 84915 86112 86190 86580 86802 88504 90576 91260 91494 91908 91936 92352 93288 93795 93840 95472 95680 97344 98124 99360 99567 100048 100640 101660 102120 103428 103896 104949 105570 106080 106301 106560 107640 110630 112320 112554 112608 113220 114885 114920 115440 115736 116610 119340 120768 121680 121992 122544 122655 124384 125060 125120 127296 129168 129285 129870 130203 130832 132158 132756 135864 136160 137241 137904 138528 139932 140760 143520 143819 144670 146016 146880 147186 150072 150960 152490 153180 153920 155142 155480 159120 159840 161460 162240 162656 163392 163540 165945 168831 168912 169830 172224 172380 173160 173604 174915 177008 181152 182520 182988 183816 183872 186576 187590 187680 188071 190944 196248 198237 198720 199134 200096 201280 203320 204240 206856 207792 209898 211140 212160 212602 215280 217005 220779 221260 225108 225216 226440 228735 229770 229840 230880 231472 233220 238680 243360 243984 245088 245310 248768 250120 258336 258570 259740 260406 261664 264316 265512 271728 272320 274482 275808 277056 279864 281385 281520 287040 287638 289340 292032 294372 298701 300144 301920 304980 306360 310284 310960 318240 318903 319680 322920 325312 327080 330395 331890 337662 337824 339660 344760 346320 347208 349830 354016 362304 365040 365976 367632 367965 373152 375180 375360 376142 381888 387855 390609 392496 396474 398268 400192 406640 408480 413712 415584 419796 422280 425204 430560 431457 434010 441558 442520 450216 452880 457470 459540 459680 461760 462944 466440 477360 486720 487968 490176 490620 497835 500240 516672 517140 519480 520812 523328 524745 528632 531024 531505 543456 548964 551616 559728 562770 563040 564213 575276 578680 588744 594711 597402 600288 603840 609960 612720 620568 621920 636480 637806 645840 651015 654160 660790 663780 675324 675648 679320 686205 689520 692640 694416 699660 708032 719095 730080 731952 735264 735930 746304 750360 752284 775710 781218 784992 792948 796536 813280 816960 827424 831168 839592 844155 844560 850408 861120 862914 868020 883116 885040 900432 905760 914940 919080 919360 925888 932880 940355 954720 956709 975936 981240 991185 995670 1000480 1034280 1038960 1041624 1049490 1057264 1062048 1063010 1086912 1097928 1103895 1119456 1125540 1126080 1128426 1150552 1157360 1177488 1189422 1194804 1200576 1219920 1225440 1241136 1243840 1275612 1291680 1294371 1302030 1308320 1321580 1327560 1350648 1358640 1372410 1379040 1385280 1388832 1399320 1438190 1460160 1463904 1470528 1471860 1493505 1500720 1504568 1551420 1562436 1569984 1585896 1593072 1594515 1626560 1654848 1679184 1688310 1689120 1692639 1700816 1725828 1736040 1766232 1770080 1784133 1800864 1811520 1829880 1838160 1865760 1880710 1909440 1913418 1953045 1962480 1982370 1991340 2000960 2068560 2077920 2083248 2098980 2114528 2124096 2126020 2157285 2195856 2207790 2238912 2251080 2256852 2301104 2314720 2354976 2378844 2389608 2439840 2444923 2450880 2482272 2551224 2583360 2588742 2604060 2616640 2643160 2655120 2701296 2717280 2744820 2758080 2777664 2798640 2821065 2870127 2876380 2927808 2943720 2973555 2987010 3001440 3009136 3102840 3124872 3171792 3186144 3189030 3358368 3376620 3378240 3385278 3401632 3451656 3472080 3532464 3540160 3568266 3601728 3659760 3676320 3731520 3761420 3826836 3883113 3906090 3924960 3964740 3982680 4137120 4155840 4166496 4197960 4229056 4252040 4314570 4391712 4415580 4502160 4513704 4602208 4629440 4709952 4757688 4779216 4783545 4879680 4889846 4964544 5077917 5102448 5177484 5208120 5286320 5310240 5402592 5434560 5489640 5597280 5642130 5740254 5752760 5887440 5947110 5974020 6002880 6018272 6205680 6249744 6343584 6372288 6378060 6471855 6716736 6753240 6770556 6803264 6903312 6944160 7064928 7136532 7319520 7334769 7352640 7522840 7653672 7766226 7812180 7849920 7929480 7965360 8274240 8332992 8395920 8463195 8504080 8629140 8783424 8831160 8920665 9004320 9027408 9204416 9515376 9558432 9567090 9779692 10155834 10204896 10354968 10416240 10572640 10620480 10805184 10979280 11194560 11284260 11480508 11505520 11774880 11894220 11948040 12036544 12224615 12411360 12499488 12687168 12756120 12943710 13506480 13541112 13806624 13888320 14129856 14273064 14350635 14639040 14669538 15045680 15307344 15532452 15624360 15858960 15930720 16791840 16926390 17008160 17258280 17662320 17841330 18008640 18054816 19030752 19116864 19134180 19415565 19559384 20311668 20409792 20709936 20832480 21145280 21958560 22004307 22568520 22961016 23011040 23549760 23788440 23896080 24449230 24822720 24998976 25389585 25512240 25887420 27012960 27082224 27613248 28546128 28701270 29339076 30091360 30614688 31064904 31248720 31717920 31861440 33583680 33852780 34016320 34516560 35324640 35682660 36109632 36673845 38061504 38268360 38831130 39118768 40623336 41419872 41664960 43917120 44008614 45137040 45922032 46022080 47576880 47792160 48898460 50779170 51024480 51774840 54025920 54164448 57092256 57402540 58678152 60182720 61229376 62129808 62497440 63435840 66012921 67705560 69033120 70649280 71365320 73347690 76536720 77662260 78237536 81246672 82839744 88017228 90274080 91844064 95153760 95584320 97796920 101558340 102048960 103549680 108328896 110021535 114184512 114805080 117356304 124259616 124994880 132025842 135411120 138066240 142730640 146695380 153073440 155324520 156475072 162493344 176034456 180548160 183688128 190307520 195593840 203116680 207099360 220043070 229610160 234712608 248519232 264051684 270822240 285461280 293390760 306146880 310649040 324986688 330064605 352068912 391187680 406233360 414198720 440086140 459220320 469425216 528103368 541644480 570922560 586781520 621298080 660129210 704137824 782375360 812466720 880172280 918440640 1056206736 1173563040 1242596160 1320258420 1408275648 1624933440 1760344560 2112413472 2347126080 2640516840 3520689120 4224826944 5281033680 7041378240 10562067360 21124134720
• Sum of all divisors σ(n): 91565821440
• Sum of proper divisors (its aliquot sum) s(n): 70441686720
• 21124134720 is an abundant number, because the sum of its proper divisors (70441686720) is greater than itself. Its abundance is 49317552000

Bases of 21124134720

• Binary: 10011101011000110001011011101000000₂
• Hexadecimal: 0x4EB18B740
• Base-36: 9PCRIO0

Squares and roots of 21124134720

• 21124134720 squared (21124134720²) is 446229067668709478400
• 21124134720 cubed (21124134720³) is 9426202941413815350262530048000
• The square root of 21124134720 is 145341.4418533131
• The cube root of 21124134720 is 2764.3496632213

Scales and comparisons

• 21,124,134,720 seconds is equal to 671 years, 35 weeks, 3 days, 7 hours, 12 minutes.
• To count from 1 to 21,124,134,720 would take you about one thousand, three hundred forty-three 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 21124134720 cubic inches would be around 230.4 feet tall.

Recreational maths with 21124134720

• 21124134720 backwards is 02743142112
• 21124134720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21124134720's digits is 27
• More coming soon!