21396015105705

Names of 21396015105705

• Cardinal: 21396015105705 can be written as Twenty-one trillion, three hundred ninety-six billion, fifteen million, one hundred five thousand, seven hundred five.

Scientific notation

• Scientific notation: 2.1396015105705 × 10¹³

Factors of 21396015105705

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 324

Divisors of 21396015105705

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 9 15 17 19 23 27 45 51 57 69 85 95 115 135 153 171 207 255 257 285 289 323 345 361 391 437 459 513 621 765 771 855 867 969 1035 1083 1173 1285 1311 1445 1615 1805 1955 2185 2295 2313 2565 2601 2907 3105 3249 3519 3855 3933 4335 4369 4845 4883 5415 5491 5865 5911 6137 6555 6647 6939 7429 7803 8303 8721 9747 10557 11565 11799 13005 13107 14535 14649 16245 16473 17595 17733 18411 19665 19941 21845 22287 24415 24909 27455 29555 30685 33235 34695 37145 39015 39321 41515 43605 43947 48735 49419 52785 53199 55233 58995 59823 65535 66049 66861 73245 74273 74727 82365 83011 88665 92055 92777 99705 100487 104329 111435 112309 117963 124545 126293 131841 141151 148257 159597 165699 179469 196605 198147 200583 219735 222819 224181 247095 249033 265995 276165 278331 299115 301461 312987 330245 334305 336927 371365 373635 378879 415055 423453 463885 502435 521645 561545 589815 594441 631465 659205 668457 705755 741285 747099 797985 828495 834993 897345 904383 938961 990735 1002915 1010781 1114095 1120905 1122833 1136637 1245165 1254931 1270359 1391655 1411187 1507305 1519127 1564935 1577209 1684635 1708279 1783323 1894395 1909253 2005371 2117265 2133871 2241297 2399567 2504979 2713149 2816883 2972205 3032343 3342285 3368499 3409911 3735495 3764793 3811077 4174965 4233561 4521915 4557381 4694805 4731627 5053905 5124837 5614165 5683185 5727759 6274655 6351795 6401613 7055935 7198701 7595635 7886045 8541395 8916615 9546265 10026855 10105497 10669355 11206485 11294379 11997835 12524895 12700683 13565745 13672143 14084415 14194881 15161715 15374511 16842495 17049555 17183277 18823965 19055385 19088161 19204839 21167805 21333827 21596103 22786905 23658135 23843689 25624185 25825159 26812553 28638795 28863413 30316491 32008065 32457301 33883137 35993505 36275807 38102049 41016429 42584643 46123533 50527485 51549831 56471895 57264483 57614517 63503415 64001481 64788309 68360715 70974405 71531067 76872555 77475477 80437659 85916385 86590239 95440805 96024195 97371903 106669135 107980515 108827421 119218445 129125795 134062765 144317065 151582455 162286505 169415685 171793449 181379035 190510245 192004443 205082145 212923215 214593201 230617665 232426431 241312977 257749155 259770717 286322415 288072585 292115709 320007405 323941545 326482263 357655335 362675059 387377385 402188295 405342713 432951195 439027703 486859515 490678021 515380347 544137105 548404847 576013329 616688719 643779603 697279293 723938931 779312151 858967245 876347127 960022215 979446789 1072966005 1088025177 1162132155 1206564885 1216028139 1298853585 1317083109 1460578545 1472034063 1632411315 1645214541 1813375295 1850066157 2026713565 2195138515 2453390105 2576901735 2742024235 2880066645 3083443595 3218898015 3264075531 3486396465 3619694655 3648084417 3896560755 3951249327 4381735635 4416102189 4897233945 4935643623 5440125885 5550198471 6080140695 6585415545 6890826121 7360170315 8226072705 8341526357 9250330785 9322882399 9792226593 10944253251 11853747981 13248306567 14806930869 16320377655 16650595413 18240422085 19756246635 20672478363 22080510945 24678218115 25024579071 27750992355 27968647197 34454130605 41707631785 46614411995 48961132965 54721266255 59268739905 62017435089 66241532835 74034654345 75073737213 83252977065 83905941591 103362391815 125122895355 139843235985 158489000783 186052305267 225221211639 251717824773 310087175445 375368686065 419529707955 475467002349 792445003915 930261526335 1126106058195 1258589123865 1426401007047 2377335011745 4279203021141 7132005035235 21396015105705
• Sum of all divisors σ(n): 44673009805440
• Sum of proper divisors (its aliquot sum) s(n): 23276994699735
• 21396015105705 is an abundant number, because the sum of its proper divisors (23276994699735) is greater than itself. Its abundance is 1880979594030

Bases of 21396015105705

• Binary: 100110111010110100101111000010100011010101001₂
• Hexadecimal: 0x1375A5E146A9
• Base-36: 7L16YYQW9

Squares and roots of 21396015105705

• 21396015105705 squared (21396015105705²) is 457789462403556542323547025
• 21396015105705 cubed (21396015105705³) is 9794870252819066956270691306415913277625
• The square root of 21396015105705 is 4625582.6774261641
• The cube root of 21396015105705 is 27761.5876096407

Scales and comparisons

• 21,396,015,105,705 seconds is equal to 680,327 years, 5 weeks, 17 hours, 21 minutes, 45 seconds.
• To count from 1 to 21,396,015,105,705 would take you about one million, seven hundred thousand, eight hundred seventeen 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 21396015105705 cubic inches would be around 2313.5 feet tall.

Recreational maths with 21396015105705

• 21396015105705 backwards is 50750151069312
• 21396015105705 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21396015105705's digits is 45
• More coming soon!