21245616746172

Names of 21245616746172

• Cardinal: 21245616746172 can be written as Twenty-one trillion, two hundred forty-five billion, six hundred sixteen million, seven hundred forty-six thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.1245616746172 × 10¹³

Factors of 21245616746172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 205

Divisors of 21245616746172

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 49 52 53 63 78 84 91 98 106 117 126 127 147 156 159 182 196 212 234 252 254 273 294 318 343 364 371 381 441 468 477 508 546 588 636 637 686 689 742 762 819 882 889 954 1029 1092 1113 1143 1274 1372 1378 1484 1524 1638 1651 1764 1778 1908 1911 2058 2067 2226 2286 2401 2548 2597 2667 2756 2809 3087 3276 3302 3339 3556 3822 4116 4134 4452 4459 4572 4802 4823 4953 5194 5334 5618 5733 6174 6201 6223 6604 6678 6731 7203 7644 7791 8001 8268 8427 8918 9604 9646 9906 10388 10668 11236 11466 11557 12348 12402 12446 13356 13377 13462 14406 14469 14859 15582 16002 16854 17836 18179 18669 19292 19663 19812 20193 21609 22932 23114 23373 24804 24892 25281 26754 26924 28812 28938 29718 31164 31213 32004 33708 33761 34671 36358 36517 37338 39326 40131 40386 43218 43407 43561 46228 46746 47117 50562 53508 54537 56007 57876 58989 59436 60579 62426 67522 69342 72716 73034 74676 78652 80262 80772 80899 86436 86814 87122 87503 93492 93639 94234 101124 101283 104013 109074 109551 112014 117978 121158 124852 127253 130683 135044 137641 138684 141351 146068 148877 160524 161798 163611 173628 174244 175006 176967 187278 188468 202566 208026 218148 219102 224028 235956 236327 242316 242697 254506 255619 261366 262509 275282 280917 282702 297754 303849 304927 323596 327222 328653 329819 350012 353934 356743 374556 381759 392049 405132 412923 416052 424053 438204 446631 472654 485394 509012 511238 522732 525018 550564 561834 565404 566293 595508 607698 609854 612521 654444 657306 659638 707868 708981 713486 728091 763518 766857 784098 787527 825846 848106 893262 914781 945308 963487 970788 989457 1022476 1042139 1050036 1070229 1123668 1132586 1145277 1215396 1219708 1225042 1238769 1314612 1319276 1339893 1417962 1426972 1456182 1527036 1533714 1568196 1575054 1651692 1654289 1696212 1698879 1786524 1789333 1829562 1837563 1926974 1935401 1978914 2084278 2126943 2140458 2265172 2290554 2300571 2308733 2450084 2477538 2497201 2679786 2744343 2835924 2890461 2912364 2968371 3067428 3126417 3150108 3210687 3308578 3397758 3578666 3659124 3675126 3853948 3870802 3957828 3964051 4168556 4253886 4280916 4287647 4581108 4601142 4617466 4637659 4955076 4962867 4994402 5096637 5359572 5367999 5488686 5512689 5780922 5806203 5936742 6252834 6421374 6617156 6744409 6795516 6926199 7157332 7294973 7350252 7491603 7741604 7928102 8507772 8575294 8671383 9202284 9234932 9275318 9379251 9925734 9988804 10193274 10735998 10977372 11025378 11561844 11612406 11873484 11892153 12505668 12525331 12842748 12862941 13488818 13547807 13852398 13912977 14589946 14888601 14983206 15856204 16103997 16161131 17150588 17342766 17418609 17480407 18550636 18758502 18907379 19851468 20233227 20386548 20778597 21471996 21884919 22050756 22474809 23224812 23784306 25050662 25725882 26977636 27095614 27704796 27825954 29179892 29777202 29966412 30013529 32207994 32322262 32463613 34685532 34837218 34960814 35676459 37517004 37575993 37814758 38588823 40466454 40643421 41557194 41738931 43769838 44949618 47568612 48483393 50101324 51064811 51451764 52441221 54191228 55651908 56722137 59554404 60027058 60699681 64415988 64644524 64927226 65654757 69674436 69921628 71352918 75151986 75629516 77177646 80932908 81286842 83114388 83477862 87539676 87677317 89899236 90040587 94834649 96966786 97390839 102129622 104882442 112727979 113444274 120054116 121399362 121930263 122362849 129854452 131309514 132351653 142705836 145450179 150303972 153194433 154355292 157323663 162573684 166955724 170166411 175354634 180081174 189669298 193933572 194781678 204259244 209764884 210094703 225455958 226888548 227245291 242798724 243860526 244725698 245795927 262619028 263031951 264703306 270121761 284503947 290900358 292172517 306388866 314647326 340332822 350709268 357453677 360162348 367088547 379338596 389563356 397054959 420189406 450911916 454490582 459583299 487721052 489451396 491591854 526063902 529406612 540243522 569007894 581800716 584345034 612777732 629294652 630284109 663842543 680665644 681735873 714907354 734177094 737387781 789095853 794109918 840378812 853511841 856539943 908981164 919166598 926461571 983183708 1052127804 1072361031 1080487044 1101265641 1138015788 1168690068 1191164877 1260568218 1327685086 1363471746 1429814708 1468354188 1474775562 1578191706 1588219836 1590717037 1707023682 1713079886 1720571489 1838333196 1852923142 1890852327 1991527629 2045207619 2144722062 2202531282 2212163343 2382329754 2521136436 2569619829 2655370172 2726943492 2779384713 2949551124 3156383412 3181434074 3217083093 3414047364 3426159772 3441142978 3705846284 3781704654 3983055258 4090415238 4289444124 4405062564 4424326686 4646897801 4764659508 4772151111 5139239658 5161714467 5558769426 5974582887 6362868148 6434166186 6485230997 6882285956 7563409308 7708859487 7966110516 8180830476 8338154139 8848653372 9293795602 9544302222 10278479316 10323428934 11117538852 11135019259 11949165774 12044000423 12868332372 12970461994 13940693403 14316453333 15417718974 15485143401 16676308278 18587591204 19088604444 19455692991 20646857868 22270038518 23898331548 24088000846 25940923988 27881386806 28632906666 30835437948 30970286802 33352616556 33405057777 36132001269 38911385982 41822080209 44540077036 45396616979 48176001692 55762773612 57265813332 58367078973 61940573604 66810115554 72264002538 77822771964 83644160418 84308002961 90793233958 100215173331 108396003807 116734157946 133620231108 136189850937 144528005076 167288320836 168616005922 181586467916 200430346662 216792007614 233468315892 252924008883 272379701874 337232011844 400860693324 408569552811 433584015228 505848017766 544759403748 590156020727 758772026649 817139105622 1011696035532 1180312041454 1517544053298 1634278211244 1770468062181 2360624082908 3035088106596 3540936124362 5311404186543 7081872248724 10622808373086 21245616746172
• Sum of all divisors σ(n): 69309471329280
• Sum of proper divisors (its aliquot sum) s(n): 48063854583108
• 21245616746172 is an abundant number, because the sum of its proper divisors (48063854583108) is greater than itself. Its abundance is 26818237836936

Bases of 21245616746172

• Binary: 100110101001010100001011100000110111010111100₂
• Hexadecimal: 0x1352A1706EBC
• Base-36: 7J43NNXZ0

Squares and roots of 21245616746172

• 21245616746172 squared (21245616746172²) is 451376230925224120676653584
• 21245616746172 cubed (21245616746172³) is 9589766410568941363770174784227702080448
• The square root of 21245616746172 is 4609296.7734972327
• The cube root of 21245616746172 is 27696.3867035379

Scales and comparisons

• 21,245,616,746,172 seconds is equal to 675,544 years, 46 weeks, 3 days, 23 hours, 16 minutes, 12 seconds.
• To count from 1 to 21,245,616,746,172 would take you about one million, six hundred eighty-eight thousand, eight hundred sixty-two 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 21245616746172 cubic inches would be around 2308 feet tall.

Recreational maths with 21245616746172

• 21245616746172 backwards is 27164761654212
• The number of decimal digits it has is: 14
• The sum of 21245616746172's digits is 54
• More coming soon!