21470379840

Names of 21470379840

• Cardinal: 21470379840 can be written as Twenty-one billion, four hundred seventy million, three hundred seventy-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.147037984 × 10¹⁰

Factors of 21470379840

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 187

Divisors of 21470379840

• Number of divisors d(n): 1344
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 20 21 24 26 28 30 32 34 35 36 39 40 42 45 48 51 52 56 60 61 63 64 65 68 70 72 78 79 80 84 85 90 91 96 102 104 105 112 117 119 120 122 126 130 136 140 144 153 156 158 160 168 170 180 182 183 192 195 204 208 210 221 224 234 237 238 240 244 252 255 260 272 273 280 288 305 306 312 315 316 320 336 340 357 360 364 366 390 395 408 416 420 427 442 448 455 468 474 476 480 488 504 510 520 544 546 549 553 560 576 585 595 610 612 624 630 632 663 672 680 711 714 720 728 732 765 780 790 793 816 819 832 840 854 884 910 915 936 948 952 960 976 1008 1020 1027 1037 1040 1071 1088 1092 1098 1105 1106 1120 1170 1185 1190 1220 1224 1248 1260 1264 1281 1326 1343 1344 1360 1365 1422 1428 1440 1456 1464 1530 1547 1560 1580 1586 1632 1638 1659 1680 1708 1768 1785 1820 1830 1872 1896 1904 1952 1989 2016 2040 2054 2074 2080 2135 2142 2184 2196 2210 2212 2240 2340 2370 2379 2380 2440 2448 2496 2520 2528 2562 2652 2686 2720 2730 2745 2765 2844 2856 2880 2912 2928 3060 3081 3094 3111 3120 3160 3172 3264 3276 3315 3318 3360 3416 3536 3555 3570 3640 3660 3744 3792 3808 3843 3904 3965 3978 4029 4032 4080 4095 4108 4148 4160 4270 4284 4368 4392 4420 4424 4641 4680 4740 4758 4760 4819 4880 4896 4977 5040 5056 5124 5135 5185 5304 5355 5372 5440 5460 5490 5530 5551 5688 5712 5824 5856 6120 6162 6188 6222 6240 6320 6344 6405 6552 6630 6636 6715 6720 6832 7072 7110 7137 7140 7189 7259 7280 7320 7488 7584 7616 7686 7735 7930 7956 8058 8160 8190 8216 8295 8296 8540 8568 8736 8784 8840 8848 9243 9282 9333 9360 9401 9480 9516 9520 9638 9760 9792 9945 9954 10080 10248 10270 10370 10608 10710 10744 10920 10980 11060 11102 11376 11424 11712 11895 12087 12240 12324 12376 12444 12480 12640 12688 12810 13104 13260 13272 13430 13481 13664 13923 14144 14220 14274 14280 14378 14457 14518 14560 14640 15168 15372 15405 15470 15555 15860 15912 16116 16320 16380 16432 16590 16592 16653 17080 17136 17459 17472 17568 17680 17696 18486 18564 18666 18720 18802 18960 19032 19040 19215 19276 19520 19890 19908 20145 20160 20496 20540 20740 21216 21420 21488 21567 21777 21840 21960 22120 22204 22752 22848 23205 23790 24095 24174 24480 24648 24752 24885 24888 25280 25376 25620 26208 26520 26544 26860 26962 27328 27755 27846 28203 28440 28548 28560 28756 28914 29036 29120 29280 30744 30810 30940 31110 31720 31824 32232 32760 32864 33180 33184 33306 33733 34160 34272 34918 35136 35360 35392 35685 35945 36295 36972 37128 37332 37440 37604 37920 38064 38080 38430 38552 39780 39816 40290 40443 40992 41080 41480 42432 42840 42976 43134 43371 43554 43680 43920 44240 44408 45504 46215 46410 46665 47005 47580 48190 48348 48960 49296 49504 49770 49776 49959 50752 51240 52377 52416 53040 53088 53720 53924 55510 55692 56406 56880 57096 57120 57512 57828 58072 58560 60435 61488 61620 61880 62220 62647 63440 63648 64464 64701 65331 65520 65728 66360 66368 66612 67405 67466 68320 68544 69615 69836 70720 71370 71890 72285 72590 73944 74256 74664 75208 75840 76128 76860 77104 79560 79632 80580 80886 81923 81984 82160 82960 83265 84609 85680 85952 86268 86742 87108 87295 87360 87840 88480 88816 92430 92820 93330 94010 94367 95160 96380 96696 98592 99008 99540 99552 99918 101199 102480 104754 106080 106176 107440 107835 107848 108885 111020 111384 112812 113760 114192 114240 115024 115656 116144 120870 121329 122213 122976 123240 123760 124440 125294 126880 127296 128928 129402 130662 131040 132720 133224 134810 134932 136640 139230 139672 141015 142740 143780 144570 145180 147888 148512 149328 150416 152256 153720 154208 157131 159120 159264 161160 161772 163846 164320 165920 166530 168665 169218 171360 172536 173484 174216 174590 175680 176960 177632 184860 185640 186660 187941 188020 188734 190320 192760 193392 197184 199080 199104 199836 202215 202398 204960 209508 212160 214880 215670 215696 216855 217770 222040 222768 225624 227520 228384 230048 231312 232288 241740 242658 244426 245769 245952 246480 247520 248880 249795 250588 253760 257856 258804 261324 261885 262080 265440 266448 269620 269864 278460 279344 282030 283101 285480 287560 289140 290360 295776 297024 298656 300832 303597 307440 308416 313235 314262 318240 318528 322320 323505 323544 326655 327692 328640 331840 333060 337330 338436 342720 345072 346968 348432 349180 355264 366639 369720 371280 373320 375882 376040 377468 380640 385520 386784 398160 399672 404430 404796 409615 409920 419016 423045 429760 431340 431392 433710 435540 438529 444080 445536 451248 456768 460096 462624 464576 471835 483480 485316 488852 491538 492960 495040 497760 499590 501176 505995 517608 522648 523770 530880 532896 539240 539728 556920 558688 563823 564060 566202 570960 573461 575120 578280 580720 591552 597312 601664 606645 607194 611065 614880 626470 628524 636480 644640 647010 647088 653310 655384 666120 674660 676872 690144 693936 696864 698360 733278 737307 739440 742560 746640 751764 752080 754936 761280 771040 773568 785655 796320 799344 808860 809592 819230 838032 846090 849303 862680 862784 867420 871080 877058 888160 891072 902496 925248 939705 943670 966960 970632 977704 983076 985920 995520 999180 1002352 1011990 1035216 1045296 1047540 1064999 1065792 1078480 1079456 1099917 1113840 1117376 1127646 1128120 1132404 1141920 1146922 1150240 1156560 1161440 1213290 1214388 1222130 1228845 1229760 1252940 1257048 1289280 1294020 1294176 1306620 1310768 1315587 1332240 1349320 1353744 1380288 1387872 1393728 1396720 1415505 1466556 1474614 1478880 1485120 1493280 1503528 1504160 1509872 1517985 1542080 1571310 1592640 1598688 1617720 1619184 1638460 1676064 1692180 1698606 1720383 1725360 1734840 1742160 1754116 1776320 1804992 1833195 1879410 1887340 1933920 1941264 1955408 1966152 1998360 2004704 2023980 2070432 2090592 2095080 2129998 2156960 2158912 2192645 2199834 2227680 2255292 2256240 2264808 2283840 2293844 2300480 2313120 2322880 2426580 2428776 2444260 2457690 2505880 2514096 2588040 2588352 2613240 2621536 2631174 2664480 2698640 2707488 2775744 2793440 2819115 2831010 2867305 2933112 2949228 2957760 2986560 3007056 3008320 3019744 3035970 3142620 3194997 3197376 3235440 3238368 3276920 3352128 3384360 3397212 3440766 3450720 3469680 3484320 3508232 3666390 3686535 3758820 3774680 3867840 3882528 3910816 3932304 3946761 3996720 4009408 4047960 4140864 4181184 4190160 4246515 4259996 4313920 4385290 4399668 4455360 4510584 4512480 4529616 4587688 4626240 4853160 4857552 4888520 4915380 5011760 5028192 5161149 5176080 5226480 5243072 5262348 5324995 5328960 5397280 5414976 5499585 5586880 5638230 5662020 5734610 5866224 5898456 6014112 6039488 6071940 6285240 6389994 6470880 6476736 6553840 6577935 6768720 6794424 6881532 6901440 6939360 6968640 7016464 7332780 7373070 7454993 7517640 7549360 7765056 7821632 7864608 7893522 7993440 8095920 8380320 8493030 8519992 8601915 8770580 8799336 9021168 9024960 9059232 9175376 9584991 9706320 9715104 9777040 9830760 10023520 10056384 10322298 10352160 10452960 10524696 10649990 10794560 10999170 11276460 11324040 11469220 11732448 11796912 12028224 12143880 12570480 12779988 12941760 13107680 13155870 13537440 13588848 13763064 13878720 14032928 14665560 14746140 14909986 15035280 15098720 15729216 15787044 15974985 15986880 16191840 16760640 16986060 17039984 17203830 17541160 17598672 18042336 18118464 18350752 19169982 19412640 19430208 19554080 19661520 19733805 20047040 20644596 20704320 20905920 21049392 21299980 21998340 22364979 22552920 22648080 22938440 23464896 23593824 24287760 25140960 25559976 25805745 26215360 26311740 27074880 27177696 27526128 28065856 29331120 29492280 29819972 30070560 30197440 31574088 31949970 32383680 33972120 34079968 34407660 35082320 35197344 36084672 36701504 37274965 38339964 38825280 39108160 39323040 39467610 41289192 42098784 42599960 43996680 44729958 45105840 45296160 45876880 47187648 47924955 48575520 50281920 51119952 51611490 52623480 54355392 55052256 58662240 58984560 59639944 60141120 63148176 63899940 67094937 67944240 68159936 68815320 70164640 70394688 74549930 76679928 78646080 78935220 82578384 84197568 85199920 87993360 89459916 90211680 90592320 91753760 95849910 97151040 102239904 103222980 105246960 110104512 111824895 117324480 117969120 119279888 126296352 127799880 134189874 135888480 137630640 140329280 149099860 153359856 157870440 165156768 170399840 175986720 178919832 180423360 183507520 191699820 204479808 206445960 210493920 223649790 235938240 238559776 252592704 255599760 268379748 271776960 275261280 298199720 306719712 315740880 330313536 335474685 340799680 351973440 357839664 383399640 412891920 420987840 447299580 477119552 511199520 536759496 550522560 596399440 613439424 631481760 670949370 715679328 766799280 825783840 894599160 1022399040 1073518992 1192798880 1262963520 1341898740 1431358656 1533598560 1651567680 1789198320 2147037984 2385597760 2683797480 3067197120 3578396640 4294075968 5367594960 7156793280 10735189920 21470379840
• Sum of all divisors σ(n): 99053660160
• Sum of proper divisors (its aliquot sum) s(n): 77583280320
• 21470379840 is an abundant number, because the sum of its proper divisors (77583280320) is greater than itself. Its abundance is 56112900480

Bases of 21470379840

• Binary: 10011111111101110111111111101000000₂
• Hexadecimal: 0x4FFBBFF40
• Base-36: 9V2WR40

Squares and roots of 21470379840

• 21470379840 squared (21470379840²) is 460977210473878425600
• 21470379840 cubed (21470379840³) is 9897355806457796195613179904000
• The square root of 21470379840 is 146527.7442670839
• The cube root of 21470379840 is 2779.3713465589

Scales and comparisons

• 21,470,379,840 seconds is equal to 682 years, 35 weeks, 6 days, 18 hours, 24 minutes.
• To count from 1 to 21,470,379,840 would take you about one thousand, three hundred sixty-five 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 21470379840 cubic inches would be around 231.6 feet tall.

Recreational maths with 21470379840

• 21470379840 backwards is 04897307412
• 21470379840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21470379840's digits is 45
• More coming soon!