21318296237563221

Names of 21318296237563221

• Cardinal: 21318296237563221 can be written as Twenty-one quadrillion, three hundred eighteen trillion, two hundred ninety-six billion, two hundred thirty-seven million, five hundred sixty-three thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 2.1318296237563221 × 10¹⁶

Factors of 21318296237563221

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1869

Divisors of 21318296237563221

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 9 13 17 29 39 51 61 87 117 153 169 183 221 261 377 493 507 549 653 663 793 1037 1093 1131 1479 1521 1769 1959 1989 2379 2873 3111 3279 3393 4437 4901 5307 5877 6409 7137 8489 8619 9333 9837 10309 11101 13481 14209 14703 15921 18581 18937 19227 22997 25467 25857 30073 30927 31697 33303 39833 40443 42627 44109 55743 56811 57681 66673 68991 76401 83317 90219 92781 95091 99909 110357 119499 121329 127881 144313 167229 170433 175253 184717 200019 206973 241553 246181 249951 270657 285273 298961 321929 331071 358497 390949 412061 426409 432939 517829 525759 538849 554151 600057 677161 713729 724659 738543 749853 866749 896883 965787 993213 1133441 1155157 1172847 1236183 1279227 1298817 1553487 1577277 1616547 1662453 1876069 1933517 2031483 2141187 2173977 2215629 2600247 2690649 2897361 3140189 3200353 3400323 3465471 3518541 3708549 3837681 4185077 4660461 4849641 5082337 5356793 5543317 5628207 5800551 6094449 6423561 6731777 7005037 7248953 7800741 8803093 9278477 9420567 9601059 10200969 10396413 11267737 12133393 12365861 12555231 14734733 15017041 15247011 16070379 16629951 16884621 17401653 19637669 20195331 20698141 21015111 21746859 25135721 26010949 26409279 27835431 28261701 28803177 32869789 33803211 36400179 37097583 37665693 43537469 44204199 45051123 45741033 48211137 49889853 54406001 58913007 60585993 62094423 63045333 65240577 72063121 75407163 78032847 79227837 83506293 91065481 94236389 98609367 101409633 109200537 111292749 114440209 120620201 130612407 132612597 135153369 157734109 160756193 163218003 176739021 186283269 191551529 195221533 210219637 216189363 226221489 234098541 255289697 269075833 273196443 282709167 295828101 326764373 338142337 343320627 351868397 361860603 391837221 427307257 442186133 466065037 473202327 482268579 489654009 565987097 574654587 585664599 630658911 648568089 740136973 754317521 765869091 807227499 819589329 848127501 980293119 1014427011 1029961881 1055605191 1085581809 1225073057 1262586601 1281921771 1326558399 1398195111 1419606981 1446805737 1697961291 1723963761 1756993797 1891976733 2050543417 2089830509 2220410919 2262952563 2297607273 2421682497 2732855281 2940879357 3043281033 3166815573 3318766061 3497985829 3675219171 3787759803 3845765313 3979675197 4194585333 4395850381 4574289161 5093883873 5554994341 5748419729 6058845481 6151630251 6269491527 6661232757 6788857689 7357832261 7923105629 8198565843 9621780649 9806127773 9956298183 10493957487 11025657513 11363279409 12823397857 13187551143 13515886073 13722867483 16413625813 16664983023 17245259187 18176536443 18454890753 18808474581 21463972217 22073496783 23769316887 24595697529 28429967257 28865341947 29418383319 29868894549 31481872461 35527118653 38470193571 39562653429 40547658219 41168602449 49240877439 49994949069 51735777561 54529609329 59465759093 64391916651 66220490349 71307950661 74729456477 78764991253 85289901771 86596025841 88255149957 103000373177 106581355959 115410580713 121642974657 125083148437 127479661049 147722632317 166704172141 175706518949 178397277279 193175749953 213377135569 224188369431 229770063241 236294973759 255869705313 279031638821 309001119531 319744067877 369589574341 375249445311 382438983147 483309443369 500112516423 527119556847 535191831837 640131406707 672565108293 689310189723 708884921277 824469050453 837094916463 927003358593 1108768723023 1125748335933 1147316949441 1339004851301 1449928330107 1500337549269 1581358670541 1920394220121 2067930569169 2167154237833 2284184746337 2473407151359 2511284749389 2987010822133 3326306169069 3627411304673 4017014553903 4349784990321 4804664466433 6283022763797 6501462713499 6852554239011 7420221454077 8961032466399 10718097655889 10882233914019 12051043661709 14015973857701 14413993399299 18849068291391 19504388140497 20557662717033 26883097399197 32154292967667 32646701742057 38831140687729 42047921573103 43241980197897 56547204874173 81679295929361 96462878903001 116493422063187 126143764719309 139335269526557 182207660150113 245037887788083 349480266189561 418005808579671 546622980450339 735113663364249 1254017425739013 1639868941351017 2368699581951469 7106098745854407 21318296237563221
• Sum of all divisors σ(n): 37212526753824240
• Sum of proper divisors (its aliquot sum) s(n): 15894230516261019
• 21318296237563221 is a deficient number, because the sum of its proper divisors (15894230516261019) is less than itself. Its deficiency is 5424065721302202

Bases of 21318296237563221

• Binary: 1001011101111001110000010100010011101001101110101010101₂
• Hexadecimal: 0x4BBCE0A274DD55
• Base-36: 5TWPE39QWR9

Squares and roots of 21318296237563221

• 21318296237563221 squared (21318296237563221²) is 454469754472502184419115971894841
• 21318296237563221 cubed (21318296237563221³) is 9688520856857424147660077207323105566819901242861
• The square root of 21318296237563221 is 146007863.6155026447
• The cube root of 21318296237563221 is 277279.3310495341

Scales and comparisons

• 21,318,296,237,563,221 seconds is equal to 677,855,878 years, 27 weeks, 5 days, 14 hours, 40 minutes, 21 seconds.
• To count from 1 to 21,318,296,237,563,221 would take you about two billion, thirty-three million, five hundred sixty-seven thousand, six hundred thirty-five 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 21318296237563221 cubic inches would be around 23106.6 feet tall.

Recreational maths with 21318296237563221

• 21318296237563221 backwards is 12236573269281312
• The number of decimal digits it has is: 17
• The sum of 21318296237563221's digits is 63
• More coming soon!