21139055028

Names of 21139055028

• Cardinal: 21139055028 can be written as Twenty-one billion, one hundred thirty-nine million, fifty-five thousand and twenty-eight.

Scientific notation

• Scientific notation: 2.1139055028 × 10¹⁰

Factors of 21139055028

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 162

Divisors of 21139055028

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 29 36 39 41 42 52 54 58 63 67 78 81 82 84 87 91 108 116 117 123 126 134 156 162 164 174 182 189 201 203 234 243 246 252 261 268 273 287 324 348 351 364 369 377 378 402 406 468 469 486 492 522 533 546 567 574 603 609 702 729 738 754 756 783 804 812 819 861 871 938 972 1044 1053 1066 1092 1107 1131 1134 1148 1189 1206 1218 1404 1407 1458 1476 1508 1566 1599 1638 1701 1722 1742 1809 1827 1876 1943 2106 2132 2214 2262 2268 2349 2378 2412 2436 2457 2583 2613 2639 2747 2814 2916 3132 3159 3198 3276 3321 3393 3402 3444 3484 3567 3618 3654 3731 3886 4212 4221 4428 4524 4698 4756 4797 4914 5103 5166 5226 5278 5427 5481 5494 5628 5829 6097 6318 6396 6642 6786 6804 7047 7134 7236 7308 7371 7462 7749 7772 7839 7917 8241 8323 8442 9396 9477 9594 9828 9963 10179 10206 10332 10452 10556 10701 10854 10962 10988 11193 11658 12194 12636 12663 13284 13572 13601 14094 14268 14391 14742 14924 15457 15498 15678 15834 16281 16443 16482 16646 16884 17487 18291 18954 19188 19229 19926 20358 20412 21141 21402 21708 21924 22113 22386 23247 23316 23517 23751 24388 24723 24969 25259 25326 27202 28188 28782 29484 29889 30537 30914 30996 31356 31668 32103 32562 32886 32964 33292 33579 34974 35711 36582 37908 37989 38458 39852 40716 40803 42282 42804 43173 44226 44772 46371 46494 47034 47502 48843 49329 49446 49938 50518 50652 52461 54404 54873 57564 57687 59778 61074 61828 64206 65124 65772 66339 67158 69741 69948 70551 71253 71422 73164 74169 74907 75777 75978 76916 79663 81606 84564 86346 88452 91611 92742 92988 94068 95004 96309 97686 98658 98892 99876 100737 101036 104922 107133 108199 109746 113967 115374 119556 122148 122409 128412 129519 132678 134316 139113 139482 141102 142506 142844 147987 148338 149814 151554 151956 157383 159326 163212 164619 172692 173061 176813 183222 185484 192618 195372 197316 201474 209223 209844 211653 213759 214266 216398 219492 222507 224721 227331 227934 230748 238989 244818 249977 259038 265356 274833 278226 278964 282204 285012 288927 295974 296676 299628 302211 303108 314766 318652 321399 324597 329238 341901 346122 353626 366444 367227 385236 388557 402948 417339 418446 423306 427518 428532 432796 445014 449442 454662 455868 472149 477978 489636 493857 499954 518076 519183 530439 549666 556452 557641 577854 591948 604422 629532 634959 641277 642798 649194 658476 667521 674163 681993 683802 692244 707252 716967 734454 749931 777114 834678 836892 846612 855036 866781 890028 898884 906633 909324 944298 955956 964197 973791 987714 999908 1035619 1038366 1060878 1099332 1101681 1115282 1155708 1208844 1252017 1269918 1282554 1285596 1298388 1335042 1348326 1363986 1367604 1416447 1433934 1468908 1481571 1499862 1554228 1557549 1591317 1669356 1672923 1733562 1813266 1888596 1923831 1928394 1947582 1975428 2002563 2022489 2045979 2071238 2076732 2121756 2150901 2203362 2230564 2249793 2504034 2539836 2565108 2670084 2696652 2719899 2727972 2832894 2867868 2892591 2921373 2963142 2999724 3106857 3115098 3182634 3305043 3345846 3467124 3626532 3756051 3847662 3856788 3895164 4005126 4044978 4091958 4142476 4301802 4406724 4444713 4499586 4672647 4773951 5008068 5018769 5439798 5665788 5785182 5842746 5926284 6067467 6137937 6213714 6230196 6365268 6452703 6610086 6691692 6749379 7249333 7512102 7695324 8010252 8089956 8183916 8603604 8677773 8764119 8889426 8999172 9320571 9345294 9547902 9915129 10037538 10879596 11268153 11570364 11685492 12134934 12275874 12427428 12905406 13220172 13498758 14017941 14321853 14498666 15024204 15056307 17355546 17528238 17778852 18413811 18641142 18690588 19095804 19358109 19830258 20075076 20248137 21747999 22536306 24269868 24551748 25810812 26033319 26292357 26997516 27961713 28035882 28643706 28997332 30112614 34711092 35056476 36827622 37282284 38716218 39660516 40496274 42965559 43495998 45072612 45168921 52066638 52584714 55923426 56071764 57287412 58074327 60225228 60744411 65243997 73655244 77432436 78877071 80992548 83885139 85931118 86991996 90337842 104133276 105169428 111846852 116148654 121488822 128896677 130487994 135506763 157754142 167770278 171862236 180675684 182233233 195731991 232297308 242977644 251655417 257793354 260975988 271013526 315508284 335540556 364466466 391463982 406520289 503310834 515586708 542027052 587195973 728932932 754966251 782927964 813040578 1006621668 1174391946 1509932502 1626081156 1761587919 2348783892 3019865004 3523175838 5284763757 7046351676 10569527514 21139055028
• Sum of all divisors σ(n): 73420220160
• Sum of proper divisors (its aliquot sum) s(n): 52281165132
• 21139055028 is an abundant number, because the sum of its proper divisors (52281165132) is greater than itself. Its abundance is 31142110104

Bases of 21139055028

• Binary: 10011101011111111000110000110110100₂
• Hexadecimal: 0x4EBFC61B4
• Base-36: 9PLNB90

Squares and roots of 21139055028

• 21139055028 squared (21139055028²) is 446859647476812080784
• 21139055028 cubed (21139055028³) is 9446190677805011929708157381952
• The square root of 21139055028 is 145392.7612641015
• The cube root of 21139055028 is 2765.0003445723

Scales and comparisons

• 21,139,055,028 seconds is equal to 672 years, 8 weeks, 23 hours, 43 minutes, 48 seconds.
• To count from 1 to 21,139,055,028 would take you about one thousand, three hundred forty-four 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 21139055028 cubic inches would be around 230.4 feet tall.

Recreational maths with 21139055028

• 21139055028 backwards is 82055093112
• 21139055028 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21139055028's digits is 36
• More coming soon!