21126478013784

Names of 21126478013784

• Cardinal: 21126478013784 can be written as Twenty-one trillion, one hundred twenty-six billion, four hundred seventy-eight million, thirteen thousand, seven hundred eighty-four.

Scientific notation

• Scientific notation: 2.1126478013784 × 10¹³

Factors of 21126478013784

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 460956

Divisors of 21126478013784

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 18 22 24 26 33 36 39 44 52 61 66 72 73 78 88 99 104 117 122 132 143 146 156 183 198 219 234 244 264 286 292 312 366 396 429 438 468 488 549 572 584 657 671 732 792 793 803 858 876 936 949 1098 1144 1287 1314 1342 1464 1586 1606 1716 1752 1898 2013 2196 2379 2409 2574 2628 2684 2847 3172 3212 3432 3796 4026 4392 4453 4758 4818 5148 5256 5368 5694 6039 6344 6424 7137 7227 7592 8052 8541 8723 8906 9516 9636 10296 10439 11388 12078 13359 14274 14454 16104 17082 17446 17812 19032 19272 20878 22776 24156 26169 26718 28548 28908 31317 34164 34892 35624 40077 41756 48312 48983 52338 53436 57096 57816 57889 62634 68328 69784 78507 80154 83512 93951 97966 104676 106872 115778 125268 146949 157014 160308 173667 187902 195932 209352 231556 250536 293898 314028 320616 347334 375804 391864 440847 460793 463112 521001 587796 628056 636779 694668 751608 881694 921586 1042002 1175592 1273558 1382379 1389336 1763388 1843172 1910337 2084004 2547116 2764758 3526776 3686344 3820674 4147137 4168008 5068723 5094232 5529516 5731011 5990309 7641348 8294274 10137446 11059032 11462022 11980618 15206169 15282696 16588548 17970927 20274892 22924044 23961236 28108373 30412338 33177096 33637889 35941854 40549784 45618507 45848088 47922472 53912781 56216746 60824676 65893399 67275778 71883708 84325119 91237014 100913667 107825562 112433492 121649352 131786798 134551556 143767416 168650238 182474028 197680197 201827334 215651124 224866984 252975357 263573596 269103112 302741001 309192103 337300476 364948056 365408849 370016779 395360394 403654668 431302248 437292557 505950714 527147192 593040591 605482002 618384206 674600952 730817698 740033558 790720788 807309336 874585114 927576309 1011901428 1096226547 1110050337 1186081182 1210964004 1236768412 1311877671 1461635396 1480067116 1581441576 1749170228 1855152618 2023802856 2051911229 2192453094 2220100674 2372162364 2421928008 2473536824 2623755342 2782728927 2923270792 2960134232 3288679641 3330151011 3498340456 3710305236 3935633013 4019497339 4103822458 4384906188 4440201348 4744324728 4810218127 5247510684 5565457854 6155733687 6577359282 6660302022 7420610472 7871266026 8038994678 8207644916 8769812376 8880402696 9620436254 10495021368 11130915708 12058492017 12311467374 13154718564 13320604044 14430654381 15742532052 16077989356 16415289832 18467201061 19240872508 22261831416 22571023519 24116984034 24622934748 26309437128 26641208088 26674845977 28861308762 31485064104 32155978712 36175476051 36934402122 38481745016 43291963143 45142047038 48233968068 49245869496 53349691954 57722617524 67713070557 72350952102 73868804244 80024537931 86583926286 90284094076 96467936136 106699383908 115445235048 135426141114 144701904204 147737608488 160049075862 173167852572 180568188152 203139211671 213398767816 240073613793 270852282228 289403808408 293423305747 320098151724 346335705144 406278423342 480147227586 541704564456 586846611494 640196303448 812556846684 880269917241 960294455172 1173693222988 1625113693368 1760539834482 1920588910344 2347386445976 2640809751723 3521079668964 5281619503446 7042159337928 10563239006892 21126478013784
• Sum of all divisors σ(n): 69258665286720
• Sum of proper divisors (its aliquot sum) s(n): 48132187272936
• 21126478013784 is an abundant number, because the sum of its proper divisors (48132187272936) is greater than itself. Its abundance is 27005709259152

Bases of 21126478013784

• Binary: 100110011011011100100001101111010010101011000₂
• Hexadecimal: 0x1336E437A558
• Base-36: 7HLDBJFQ0

Squares and roots of 21126478013784

• 21126478013784 squared (21126478013784²) is 446328073266898745693998656
• 21126478013784 cubed (21126478013784³) is 9429340226807710641042789648659645474304
• The square root of 21126478013784 is 4596354.8616032683
• The cube root of 21126478013784 is 27644.5187559539

Scales and comparisons

• 21,126,478,013,784 seconds is equal to 671,756 years, 33 weeks, 6 days, 10 hours, 56 minutes, 24 seconds.
• To count from 1 to 21,126,478,013,784 would take you about one million, six hundred seventy-nine thousand, three hundred ninety-one 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 21126478013784 cubic inches would be around 2303.7 feet tall.

Recreational maths with 21126478013784

• 21126478013784 backwards is 48731087462112
• The number of decimal digits it has is: 14
• The sum of 21126478013784's digits is 54
• More coming soon!