21014819280

Names of 21014819280

• Cardinal: 21014819280 can be written as Twenty-one billion, fourteen million, eight hundred nineteen thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.101481928 × 10¹⁰

Factors of 21014819280

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 397

Divisors of 21014819280

• Number of divisors d(n): 1280
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 24 26 27 28 30 34 35 36 38 39 40 42 45 48 51 52 54 56 57 60 63 65 68 70 72 76 78 80 84 85 90 91 95 102 104 105 108 112 114 117 119 120 126 130 133 135 136 140 144 152 153 156 168 170 171 180 182 189 190 195 204 208 210 216 221 228 234 238 240 247 252 255 260 266 270 272 273 280 285 304 306 312 315 323 331 336 340 342 351 357 360 364 378 380 390 399 408 420 432 442 455 456 459 468 476 494 504 510 513 520 532 540 546 560 570 585 595 612 624 630 646 662 663 665 680 684 702 714 720 728 741 756 760 765 780 798 816 819 840 855 884 910 912 918 936 945 952 969 988 993 1008 1020 1026 1040 1064 1071 1080 1092 1105 1140 1170 1190 1197 1224 1235 1260 1292 1324 1326 1330 1360 1365 1368 1404 1428 1456 1482 1512 1520 1530 1547 1560 1596 1615 1638 1655 1680 1710 1729 1755 1768 1785 1820 1836 1872 1890 1904 1938 1976 1986 1989 1995 2040 2052 2128 2142 2160 2184 2210 2223 2261 2280 2295 2317 2340 2380 2394 2448 2457 2470 2520 2565 2584 2648 2652 2660 2730 2736 2808 2856 2907 2964 2979 3024 3060 3094 3120 3192 3213 3230 3276 3310 3315 3420 3458 3510 3536 3570 3591 3640 3672 3705 3780 3876 3952 3972 3978 3990 4080 4095 4104 4199 4284 4303 4368 4420 4446 4522 4560 4590 4634 4641 4680 4760 4788 4845 4914 4940 4965 5040 5130 5168 5187 5296 5304 5320 5355 5460 5616 5627 5712 5814 5928 5958 5967 5985 6120 6188 6289 6384 6426 6460 6552 6620 6630 6669 6783 6840 6916 6951 7020 7140 7182 7280 7344 7410 7560 7735 7752 7944 7956 7980 8190 8208 8398 8568 8606 8645 8721 8840 8892 8937 9044 9180 9268 9282 9360 9520 9576 9690 9828 9880 9930 9945 10260 10374 10608 10640 10710 10920 11115 11254 11305 11585 11628 11856 11916 11934 11970 12240 12285 12376 12578 12597 12852 12909 12920 13104 13240 13260 13338 13566 13680 13832 13902 13923 14040 14280 14364 14535 14820 14895 15120 15470 15504 15561 15888 15912 15960 16065 16380 16796 16881 17136 17212 17290 17442 17680 17784 17874 17955 18088 18360 18536 18564 18867 19152 19380 19656 19760 19860 19890 20349 20520 20748 20853 20995 21420 21515 21840 22230 22508 22610 23170 23205 23256 23832 23868 23940 24570 24752 25156 25194 25704 25818 25840 25935 26480 26520 26676 27132 27664 27804 27846 28080 28135 28560 28728 29070 29393 29640 29790 29835 30121 30940 31122 31445 31824 31920 32130 32760 33345 33592 33762 33915 34424 34580 34755 34884 35568 35748 35910 36176 36720 37072 37128 37734 37791 38727 38760 39312 39389 39720 39780 40698 41040 41496 41706 41769 41990 42840 43030 43605 44023 44460 44685 45016 45220 46340 46410 46512 46683 47664 47736 47880 49140 50312 50388 50643 51408 51636 51870 53040 53352 54264 55608 55692 56270 56601 57456 58140 58786 59280 59580 59670 60242 61047 61880 62244 62559 62890 62985 64260 64545 65520 66690 67184 67524 67830 68848 69160 69510 69615 69768 71496 71820 73151 74256 75468 75582 77454 77520 77805 78778 79440 79560 81396 81757 82992 83412 83538 83980 84405 85680 86060 87210 88046 88179 88920 89370 90032 90363 90440 92680 92820 93366 94335 95472 95760 98280 100624 100776 101286 101745 103272 103740 104265 106704 106913 108528 111216 111384 112540 113202 113373 116181 116280 117572 118167 119160 119340 120484 122094 123760 124488 125118 125780 125970 128520 129090 132069 133380 135048 135660 138320 139020 139230 139536 142992 143640 146302 146965 150605 150936 151164 151929 154908 155610 157556 159120 162792 163514 166824 167076 167960 168810 169803 172120 174420 176092 176358 177840 178740 180726 180880 185360 185640 186732 188670 188955 193635 196560 196945 201552 202572 203490 206544 207480 208530 208845 213826 219453 220115 222768 225080 226404 226746 232362 232560 233415 235144 236334 238320 238680 240968 244188 245271 248976 250236 251560 251940 253215 257040 258180 264138 264537 266760 270096 271089 271320 278040 278460 283005 287280 292604 293930 301210 301872 302328 303858 305235 309816 311220 312795 315112 320739 325584 327028 333648 334152 335920 337620 339606 344240 348840 352184 352716 354501 357480 361452 365755 371280 373464 377340 377910 387270 393890 396207 405144 406980 408785 414960 417060 417690 427652 438906 440230 440895 450160 451815 452808 453492 464724 466830 470288 472668 477360 481936 488376 490542 500472 503120 503880 506430 512057 516360 528276 529074 533520 534565 542178 542640 556080 556920 566010 566865 572299 580905 585208 587860 590835 602420 604656 607716 610470 619632 622440 625590 630224 641478 654056 658359 660345 668304 675240 679212 697680 704368 705432 709002 714960 722904 731510 735813 746928 748391 754680 755820 759645 774540 787780 792414 793611 810288 813267 813960 817570 834120 835380 849015 855304 877812 880460 881790 903630 905616 906984 929448 933660 945336 962217 976752 981084 1000944 1007760 1012860 1024114 1032720 1056552 1058148 1063503 1069130 1084356 1097265 1113840 1132020 1133730 1144598 1161810 1170416 1175720 1181670 1188621 1204840 1215432 1220940 1226355 1244880 1251180 1282956 1308112 1316718 1320690 1322685 1350480 1355445 1358424 1389869 1410864 1418004 1445808 1463020 1471626 1496782 1509360 1511640 1519290 1536171 1549080 1575560 1584828 1587222 1603695 1626534 1627920 1635140 1668240 1670760 1698030 1710608 1716897 1755624 1760920 1763580 1772505 1807260 1813968 1858896 1867320 1890672 1924434 1962168 1975077 1981035 2025720 2048228 2113104 2116296 2127006 2138260 2168712 2194530 2207439 2245173 2264040 2267460 2289196 2323620 2351440 2363340 2377242 2409680 2430864 2441880 2452710 2502360 2560285 2565912 2633436 2641380 2645370 2710890 2716848 2779738 2836008 2861495 2886651 2926040 2943252 2993564 3023280 3038580 3072342 3098160 3151120 3169656 3174444 3207390 3253068 3270280 3291795 3341520 3396060 3433794 3511248 3521840 3527160 3545010 3614520 3679065 3734640 3741955 3848868 3924336 3950154 3962070 3968055 4051440 4066335 4096456 4169607 4232592 4254012 4276520 4337424 4389060 4414878 4490346 4528080 4534920 4578392 4608513 4647240 4726680 4754484 4811085 4883760 4905420 5004720 5120570 5131824 5150691 5266872 5282760 5290740 5317515 5421780 5559476 5672016 5722990 5773302 5852080 5886504 5943105 5987128 6077160 6144684 6339312 6348888 6414780 6506136 6540560 6583590 6735519 6792120 6867588 6949345 7054320 7090020 7229040 7358130 7483910 7680855 7697736 7900308 7924140 7936110 8132670 8192912 8339214 8508024 8553040 8584485 8778120 8829756 8980692 9069840 9156784 9217026 9294480 9453360 9508968 9622170 9729083 9810840 9875385 10241140 10301382 10533744 10565520 10581480 10635030 10843560 11037195 11118952 11225865 11445980 11546604 11773008 11886210 11974256 12154320 12289368 12508821 12697776 12829560 13012272 13167180 13471038 13584240 13735176 13825539 13898690 14180040 14433255 14716260 14967820 15361710 15395472 15452073 15800616 15848280 15872220 16265340 16678428 17016048 17168970 17556240 17659512 17961384 18434052 19017936 19244340 19458166 19621680 19750770 20206557 20482280 20602764 20848035 21162960 21270060 21687120 22074390 22237904 22451730 22891960 23042565 23093208 23772420 24578736 25017642 25659120 25753455 26334360 26942076 27470352 27651078 27797380 28360080 28866510 29187249 29432520 29935640 30723420 30904146 31601232 31696560 31744440 32530680 33356856 33677595 34337940 35319024 35922768 36868104 37526463 38488680 38916332 39501540 40413114 40964560 41205528 41696070 42540120 44148780 44903460 45783920 46085130 46186416 47544840 48645415 50035284 51506910 52668720 53884152 55302156 55594760 57733020 58374498 58865040 59871280 61446840 61808292 62544105 63488880 65061360 66713712 67355190 68675880 69127695 73736208 75052926 76977360 77260365 77832664 79003080 80826228 82411056 83392140 85080240 87561747 88297560 89806920 92170260 95089680 97290830 100070568 101032785 103013820 107768304 110604312 111189520 115466040 116748996 122893680 123616584 125088210 134710380 137351760 138255390 145936245 150105852 154520730 155665328 158006160 161652456 166784280 175123494 176595120 179613840 184340520 187632315 194581660 200141136 202065570 206027640 221208624 230932080 233497992 247233168 250176420 262685241 269420760 276510780 291872490 300211704 309041460 323304912 333568560 350246988 368681040 375264630 389163320 404131140 412055280 437808735 466995984 500352840 525370482 538841520 553021560 583744980 600423408 618082920 700493976 750529260 778326640 808262280 875617470 1000705680 1050740964 1106043120 1167489960 1236165840 1313426205 1400987952 1501058520 1616524560 1751234940 2101481928 2334979920 2626852410 3002117040 3502469880 4202963856 5253704820 7004939760 10507409640 21014819280
• Sum of all divisors σ(n): 99593625600
• Sum of proper divisors (its aliquot sum) s(n): 78578806320
• 21014819280 is an abundant number, because the sum of its proper divisors (78578806320) is greater than itself. Its abundance is 57563987040

Bases of 21014819280

• Binary: 10011100100100101001011000111010000₂
• Hexadecimal: 0x4E494B1D0
• Base-36: 9NJOIC0

Squares and roots of 21014819280

• 21014819280 squared (21014819280²) is 441622629371059718400
• 21014819280 cubed (21014819280³) is 9280619746191240044263690752000
• The square root of 21014819280 is 144964.8898181901
• The cube root of 21014819280 is 2759.5729963229

Scales and comparisons

• 21,014,819,280 seconds is equal to 668 years, 10 weeks, 5 days, 1 hour, 48 minutes.
• To count from 1 to 21,014,819,280 would take you about one thousand, three hundred thirty-six 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 21014819280 cubic inches would be around 230 feet tall.

Recreational maths with 21014819280

• 21014819280 backwards is 08291841012
• 21014819280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21014819280's digits is 36
• More coming soon!