21384348144642

Names of 21384348144642

• Cardinal: 21384348144642 can be written as Twenty-one trillion, three hundred eighty-four billion, three hundred forty-eight million, one hundred forty-four thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 2.1384348144642 × 10¹³

Factors of 21384348144642

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 164

Divisors of 21384348144642

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 73 79 81 98 126 146 147 158 162 189 219 237 243 294 378 438 441 474 486 511 553 567 657 711 729 882 1022 1106 1134 1314 1323 1422 1458 1533 1659 1701 1971 2133 2187 2646 3066 3318 3402 3577 3871 3942 3969 4266 4374 4599 4977 5103 5329 5767 5913 6241 6399 6561 7154 7742 7938 9198 9954 10206 10658 10731 11534 11613 11826 11907 12482 12798 13122 13797 14931 15309 15987 17301 17739 18723 19197 21462 23226 23814 27594 29862 30618 31974 32193 34602 34839 35478 35721 37303 37446 38394 40369 41391 43687 44793 45927 47961 51903 53217 56169 57591 64386 69678 71442 74606 80738 82782 87374 89586 91854 95922 96579 103806 104517 106434 107163 111909 112338 115182 121107 124173 131061 134379 143883 155709 159651 168507 172773 193158 209034 214326 223818 242214 248346 261121 262122 268758 282583 287766 289737 305809 311418 313551 319302 321489 335727 337014 345546 363321 372519 393183 403137 420991 431649 455593 467127 478953 505521 518319 522242 565166 579474 611618 627102 642978 671454 726642 745038 783363 786366 806274 841982 847749 863298 869211 911186 917427 934254 940653 957906 1007181 1011042 1036638 1089963 1117557 1179549 1209411 1262973 1294947 1366779 1401381 1516563 1566726 1695498 1738422 1834854 1881306 2014362 2179926 2235114 2350089 2359098 2418822 2525946 2543247 2589894 2607633 2733558 2752281 2802762 2821959 2946937 3021543 3033126 3189151 3269889 3352671 3538647 3628233 3788919 3884841 4100337 4204143 4549689 4700178 5086494 5215266 5504562 5643918 5893874 6043086 6378302 6539778 6705342 7050267 7077294 7256466 7577838 7629741 7769682 7822899 8200674 8256843 8408286 8465877 8840811 9064629 9099378 9567453 9809667 10615941 11366757 11654523 12301011 12612429 13649067 14100534 15259482 15645798 16513686 16931754 17681622 18129258 19134906 19619334 20628559 21150801 21231882 22324057 22733514 22889223 23309046 23468697 24602022 24770529 25224858 25397631 26522433 27193887 27298134 28702359 29429001 31847823 33258289 34100271 34963569 36903033 37837287 40947201 41257118 42301602 44648114 45778446 46937394 49541058 50795262 53044866 54387774 57404718 58858002 61885677 63452403 63695646 66516578 66972171 68200542 68667669 69927138 73806066 74311587 75674574 79567299 81581661 81894402 86107077 88287003 95543469 99774867 102300813 110709099 123771354 126904806 133944342 137335338 148623174 159134598 163163322 172214154 176574006 185657031 190357209 191086938 199549734 200916513 204601626 206003007 221418198 222934761 232808023 238701897 244744983 258321231 264861009 286630407 299324601 306902439 332127297 371314062 380714418 401833026 412006014 445869522 465616046 477403794 489489966 516642462 529722018 556971093 571071627 573260814 598649202 602749539 613804878 618009021 664254594 668804283 698424069 716105691 774963693 897973803 920707317 996381891 1113942186 1142143254 1205499078 1236018042 1337608566 1396848138 1432211382 1549927386 1629656161 1670913279 1713214881 1795947606 1808248617 1841414634 1854027063 1992763782 2006412849 2095272207 2148317073 2324891079 2693921409 2762121951 2989145673 3259312322 3341826558 3426429762 3616497234 3708054126 4012825698 4190544414 4296634146 4649782158 4888968483 5012739837 5387842818 5424745851 5524243902 5978291346 6285816621 6444951219 6974673237 8081764227 9777936966 10025479674 10849491702 12571633242 12889902438 13949346474 14666905449 15038219511 16163528454 16274237553 18857449863 19334853657 20924019711 24245292681 29333810898 30076439022 32548475106 37714899726 38669707314 41848039422 44000716347 45114658533 48490585362 48822712659 56572349589 72735878043 88001432694 90229317066 97645425318 113144699178 132002149041 135343975599 145471756086 146468137977 169717048767 218207634129 264004298082 270687951198 292936275954 339434097534 396006447123 436415268258 509151146301 792012894246 1018302292602 1188019341369 1527453438903 2376038682738 3054906877806 3564058024107 7128116048214 10692174072321 21384348144642
• Sum of all divisors σ(n): 57471972132393
• Sum of proper divisors (its aliquot sum) s(n): 36087623987751
• 21384348144642 is an abundant number, because the sum of its proper divisors (36087623987751) is greater than itself. Its abundance is 14703275843109

Bases of 21384348144642

• Binary: 100110111001011101110011110011001010000000010₂
• Hexadecimal: 0x1372EE799402
• Base-36: 7KVU0RA4I

Squares and roots of 21384348144642

• 21384348144642 squared (21384348144642²) is 457290345571253747753308164
• 21384348144642 cubed (21384348144642³) is 9778855952879339102378244512751071457288
• The square root of 21384348144642 is 4624321.3712545973
• The cube root of 21384348144642 is 27756.5406846333

Scales and comparisons

• 21,384,348,144,642 seconds is equal to 679,956 years, 6 weeks, 3 days, 10 hours, 50 minutes, 42 seconds.
• To count from 1 to 21,384,348,144,642 would take you about one million, six hundred ninety-nine thousand, eight hundred ninety 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 21384348144642 cubic inches would be around 2313 feet tall.

Recreational maths with 21384348144642

• 21384348144642 backwards is 24644184348312
• 21384348144642 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21384348144642's digits is 54
• More coming soon!