21243081393261

Names of 21243081393261

• Cardinal: 21243081393261 can be written as Twenty-one trillion, two hundred forty-three billion, eighty-one million, three hundred ninety-three thousand, two hundred sixty-one.

Scientific notation

• Scientific notation: 2.1243081393261 × 10¹³

Factors of 21243081393261

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 118

Divisors of 21243081393261

• Number of divisors d(n): 648
• Complete list of divisors:
  1 3 7 9 13 17 21 27 37 39 41 51 63 91 111 117 119 123 153 169 189 221 259 273 287 289 333 351 357 369 459 481 507 533 629 663 697 777 819 861 867 999 1071 1107 1183 1369 1443 1517 1521 1547 1599 1681 1887 1989 2023 2091 2331 2457 2583 2601 2873 3213 3367 3549 3731 3757 4107 4329 4403 4551 4563 4641 4797 4879 5043 5661 5967 6069 6253 6273 6929 6993 7749 7803 8177 8619 9061 9583 10101 10619 10647 10693 11193 11271 11767 11849 12321 12987 13209 13653 13923 14391 14637 15129 16983 17797 18207 18759 18819 19721 20111 20787 21853 23273 24531 25789 25857 26299 27183 28577 28749 30303 31857 31941 32079 33579 33813 35301 35547 36963 39627 40959 41769 43771 43911 45387 48503 48841 53391 54621 56129 56277 57239 59163 60333 62197 62361 63427 65559 69819 73593 74851 77367 77571 78897 81549 82943 85731 86247 90909 95571 96237 100737 101439 105903 106301 106641 117793 118881 124579 131313 131733 138047 139009 145509 146523 152971 154037 160173 162911 168387 168831 171717 177489 180523 180999 186591 187083 190281 196677 200039 209457 220779 224553 231361 232101 236691 244647 248829 256373 257193 258741 284089 286713 288711 302549 317709 318903 319923 335257 341887 353379 371501 373737 392903 393939 395641 414141 417027 435379 436527 438413 439569 458913 462111 480519 485809 488733 505161 515151 532467 541569 542997 559773 570843 590031 600117 628371 673659 694083 696303 710073 729677 744107 746487 769119 771579 808561 824551 852267 907647 954193 956709 973063 1005771 1025661 1057349 1060137 1078259 1114503 1121211 1178709 1181817 1186923 1242423 1251081 1306137 1309581 1315239 1318707 1376739 1386333 1457427 1466199 1515483 1545453 1619527 1624707 1679319 1712529 1794611 1800351 1807117 1988623 2002481 2020977 2082249 2117843 2189031 2232321 2239461 2301289 2307357 2346799 2425683 2473653 2556801 2600507 2722941 2769487 2862579 2870127 2919189 3017313 3068891 3076983 3172047 3180411 3234777 3343509 3363633 3400663 3536127 3560769 3727269 3753243 3918411 3933137 3945717 4130217 4158999 4358341 4372281 4398597 4829513 4858581 4874121 5107739 5143333 5383833 5401053 5421351 5659927 5699369 5965869 6007443 6246747 6315517 6353529 6567093 6679351 6696963 6903867 6922071 7040397 7277049 7401443 7420959 7670403 7801521 8168823 8308461 8587737 8757567 9051939 9206673 9230949 9485801 9516141 9704331 10030527 10201989 10511293 10608381 10682307 11755233 11799411 11837151 12404509 12649819 13075023 13116843 13745537 14017367 14488539 14575743 15323217 15429999 16109023 16151499 16221281 16264053 16979781 17098107 17897607 17974933 18022329 18946551 19060587 19701279 20038053 20090889 20711601 21121191 21831147 22204329 22262877 23404563 24925383 25763211 26272701 27531959 27620019 28457403 28548423 29112993 29916757 30508387 30605967 31533879 33806591 35398233 36003331 37213527 37949457 39121913 39225069 39895583 41236611 42052101 43465617 43727229 44208619 45969651 46289997 48327069 48454497 48663843 48792159 50939343 51294321 53692821 53924799 54066987 56839653 57181761 60114159 62134803 63363573 66400607 66612987 66863329 70213689 73579051 74091797 74776149 82101721 82595877 82860057 85372209 86831563 89750271 91525161 91817901 94601637 96218759 101419773 106194699 108009993 111640581 113548967 113848371 117365739 117675207 119686749 123709833 125824531 126156303 130396851 132625857 137908953 138869991 144981207 145991529 152818029 153882963 161258617 161774397 170518959 178691981 180342477 199201821 199838961 200589987 209417299 210876653 220737153 222275391 233674129 246305163 247787631 256116627 260494689 269250813 273853391 274575483 283804911 288656277 304259319 324029979 334921743 340646901 341545113 352097217 359060247 371129499 377473593 378468909 388917841 397877571 434943621 437974587 468043303 483775851 485323191 508584869 518642579 536075943 574712047 597605463 601769961 628251897 632629959 662211459 665072521 666826173 701022387 738915489 743362893 781484067 807752439 821560173 823726449 865968831 912777957 972089937 1021940703 1056291651 1077180741 1128810319 1132420779 1166753523 1193632713 1250843867 1404129909 1451327553 1476136571 1525754607 1555927737 1608227829 1635718903 1724136141 1792816389 1805309883 1884755691 1897889877 1986634377 1995217563 2000478519 2103067161 2216746467 2344452201 2464680519 2597906493 2722424887 2741396489 3037763677 3065822109 3386430957 3397262337 3500260569 3560094083 3752531601 4212389727 4353982659 4428409713 4577263821 4655507647 4667783211 4824683487 4907156709 5172408423 5654267073 5693669631 5985652689 6309201483 6611603297 7394041557 8167274661 8224189467 8645942773 9113291031 10159292871 10500781707 10680282249 11257594803 12637169181 13285229139 13731791463 13966522941 14003349633 14721470127 15517225269 17956958067 19189775423 19834809891 21264345739 24501823983 24672568401 25937828319 27339873093 30477878613 32040846747 33772784409 39855687417 41899568823 44164410381 46281223079 57569326269 59504429673 60521599411 63793037217 73505471949 74017705203 77813484957 82019619279 96122540241 112397256049 125698706469 138843669237 172707978807 178513289019 181564798233 191379111651 233440454871 337191768147 416531007711 518123936421 544694394699 574137334953 786780792343 1011575304441 1249593023133 1634083184097 2360342377029 3034725913323 7081027131087 21243081393261
• Sum of all divisors σ(n): 43583170317120
• Sum of proper divisors (its aliquot sum) s(n): 22340088923859
• 21243081393261 is an abundant number, because the sum of its proper divisors (22340088923859) is greater than itself. Its abundance is 1097007530598

Bases of 21243081393261

• Binary: 100110101001000001010010100100000010001101101₂
• Hexadecimal: 0x13520A52046D
• Base-36: 7J2XQ6J59

Squares and roots of 21243081393261

• 21243081393261 squared (21243081393261²) is 451268507080711708936214121
• 21243081393261 cubed (21243081393261³) is 9586333626130936733648187773711302438581
• The square root of 21243081393261 is 4609021.7392914301
• The cube root of 21243081393261 is 27695.2849404633

Scales and comparisons

• 21,243,081,393,261 seconds is equal to 675,464 years, 14 weeks, 3 days, 14 hours, 34 minutes, 21 seconds.
• To count from 1 to 21,243,081,393,261 would take you about one million, six hundred eighty-eight thousand, six hundred sixty 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 21243081393261 cubic inches would be around 2307.9 feet tall.

Recreational maths with 21243081393261

• 21243081393261 backwards is 16239318034212
• The number of decimal digits it has is: 14
• The sum of 21243081393261's digits is 45
• More coming soon!