21205373358342

Names of 21205373358342

• Cardinal: 21205373358342 can be written as Twenty-one trillion, two hundred five billion, three hundred seventy-three million, three hundred fifty-eight thousand, three hundred forty-two.

Scientific notation

• Scientific notation: 2.1205373358342 × 10¹³

Factors of 21205373358342

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 902

Divisors of 21205373358342

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 19 31 38 57 62 67 93 114 134 186 201 361 383 397 402 589 722 766 794 961 1083 1149 1178 1191 1273 1767 1922 2077 2166 2298 2382 2546 2883 3534 3819 4154 5766 6231 7277 7543 7638 11191 11873 12307 12462 14554 15086 18259 21831 22382 22629 23746 24187 24614 25661 26599 33573 35619 36518 36921 39463 43662 45258 48374 51322 53198 54777 64387 67146 71238 72561 73842 76983 78926 79797 109554 118389 128774 138263 143317 145122 152051 153966 159594 193161 225587 233833 236778 276526 286634 304102 346921 368063 381517 386322 414789 429951 451174 456153 467666 487559 505381 676761 693842 701499 736126 749797 763034 795491 824569 829578 859902 912306 975118 1010762 1040763 1104189 1144551 1223353 1353522 1402998 1462677 1499594 1516143 1590982 1649138 2081526 2208378 2249391 2289102 2386473 2446706 2473707 2888969 2925354 3032286 3670059 4286153 4442827 4498782 4713581 4772946 4947414 5777938 6993197 7248823 7340118 8572306 8666907 8885654 9263621 9427162 9602239 10187417 12858459 13328481 13986394 14140743 14497646 15114329 15666811 17333814 18527242 19204478 20374834 20979591 21746469 23243707 24660221 25561639 25716918 26656962 27790863 28281486 28806717 30228658 30562251 31333622 41959182 43492938 45342987 46487414 47000433 49320442 51123278 54890411 55581726 57613434 61124502 69731121 73980663 76684917 89558039 90685974 94000866 109780822 132870743 137727637 139462242 146121011 147961326 153369834 164671233 179116078 193560923 265741486 268674117 275455274 287172251 292242022 297669409 315809927 329342466 387121846 398612229 413182911 438363033 468544199 485671141 537348234 574344502 580682769 595338818 631619854 797224458 826365822 861516753 876726066 893008227 937088398 947429781 971342282 1161365538 1405632597 1457013423 1701602741 1723033506 1786016454 1894859562 2776299209 2811265194 2914026846 3403205482 3677657537 5104808223 5552598418 6000388613 7355315074 8328897627 8902339781 9227751679 9790107737 10209616446 11032972611 12000777226 16657795254 17804679562 18001165839 18455503358 19580215474 22065945222 26707019343 27683255037 29370323211 36002331678 52749684971 53414038686 55366510074 58740646422 105499369942 114007383647 158249054913 186012047003 228014767294 316498109826 342022150941 372024094006 558036141009 684044301882 1116072282018 3534228893057 7068457786114 10602686679171 21205373358342
• Sum of all divisors σ(n): 47182253469696
• Sum of proper divisors (its aliquot sum) s(n): 25976880111354
• 21205373358342 is an abundant number, because the sum of its proper divisors (25976880111354) is greater than itself. Its abundance is 4771506753012

Bases of 21205373358342

• Binary: 100110100100101000010101111110001000100000110₂
• Hexadecimal: 0x134942BF1106
• Base-36: 7ILM3SH6U

Squares and roots of 21205373358342

• 21205373358342 squared (21205373358342²) is 449667859266680671540988964
• 21205373358342 cubed (21205373358342³) is 9535374842996350137258040971844639337688
• The square root of 21205373358342 is 4604929.2457476477
• The cube root of 21205373358342 is 27678.8881775817

Scales and comparisons

• 21,205,373,358,342 seconds is equal to 674,265 years, 14 weeks, 4 days, 25 minutes, 42 seconds.
• To count from 1 to 21,205,373,358,342 would take you about one million, six hundred eighty-five thousand, six hundred sixty-three 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 21205373358342 cubic inches would be around 2306.6 feet tall.

Recreational maths with 21205373358342

• 21205373358342 backwards is 24385337350212
• The number of decimal digits it has is: 14
• The sum of 21205373358342's digits is 48
• More coming soon!