21609931704621

Names of 21609931704621

• Cardinal: 21609931704621 can be written as Twenty-one trillion, six hundred nine billion, nine hundred thirty-one million, seven hundred four thousand, six hundred twenty-one.

Scientific notation

• Scientific notation: 2.1609931704621 × 10¹³

Factors of 21609931704621

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 191

Divisors of 21609931704621

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 13 17 19 23 37 39 51 57 69 79 111 221 237 247 289 299 323 361 391 437 481 629 663 703 741 851 867 897 969 1027 1083 1173 1311 1343 1443 1501 1817 1887 2109 2553 2923 3081 3757 4029 4199 4503 4693 5083 5451 5491 5681 6137 6241 6647 7429 8177 8303 8769 9139 10693 11063 11271 11951 12597 13357 14079 14467 15249 16169 16473 17043 17459 18411 18723 19513 19941 22287 22831 23621 24531 24909 25517 27417 28519 30889 32079 33189 34523 35853 37999 40071 43401 48507 49691 52377 55537 58539 67229 68493 70863 71383 76551 79781 81133 85557 86411 92667 96577 103569 104329 106097 107939 113997 118579 126293 139009 141151 143543 149073 155363 166611 173641 188071 201687 203167 210197 214149 227069 230917 239343 243399 245939 259233 274873 289731 296803 307211 312987 318291 323817 331721 355737 370747 378879 401557 417027 423453 430629 433789 448799 466089 484823 520923 525113 564213 586891 609501 630591 645983 655937 681207 692751 721981 737817 824619 844747 873977 890409 921633 944129 995163 1055203 1112241 1142893 1204671 1277351 1301367 1346397 1356277 1379261 1454469 1541527 1575339 1641809 1760673 1803649 1834963 1866059 1937949 1967811 2015843 2165943 2253001 2399567 2440231 2534241 2621931 2641171 2727317 2832387 2951897 3001921 3165609 3197207 3428679 3573349 3832053 3860173 3925589 3993743 4068831 4137783 4387423 4624581 4672841 4925427 5222587 5311091 5410947 5504889 5598177 5639257 6047529 6302699 6759003 6826469 7198701 7320693 7629583 7923513 8181951 8241991 8527181 8855691 9005763 9591621 9977147 10720047 10981711 11150929 11580519 11776767 11981229 12273677 13162269 13717639 14018523 14857609 15667761 15933273 16050193 16605563 16917771 17938451 18908097 19429181 20479407 21714967 22888749 23447437 24269669 24725973 25581543 26205959 29289013 29931441 31194371 31723003 32945133 33452787 34269331 35455121 36821031 38301017 41152917 41483927 44572827 46364389 48150579 49816689 50182249 51032657 51819023 53815353 57036499 58287543 60746933 65144901 66735013 67893631 69044183 70342311 72809007 74586191 78617877 83361037 87867039 88783979 90288547 93583113 95169009 100910729 102807993 106365363 107145883 114903051 124451781 129702911 139093167 144962077 150546747 153097971 155457069 171109497 182240799 189565793 200205039 203680893 207132549 208652509 223758573 233199863 250083111 252579353 266351937 270865641 282294571 302732187 304953667 315505697 321437649 369154439 389108733 412584373 434886231 445501303 497913221 539291051 568697379 602737057 625957527 651117289 673647299 699599589 757738059 788194613 846883713 867555169 880923391 914861001 946517091 969620483 1083693481 1107463317 1154191727 1173751111 1237753119 1267965247 1311839477 1336503909 1417137629 1493739663 1534905299 1617873153 1715482393 1808211171 1917303851 1953351867 2020941897 2364583839 2464355309 2602665507 2642770173 2908861449 3251080443 3462575181 3521253333 3803895741 3935518431 3964397671 4251412887 4604715897 4799007707 5146447179 5363596849 5751911553 7013934341 7393065927 8464524757 10246529969 11452004083 11893193013 14397023121 14975697647 16090790547 16483548211 18422789177 19953768887 21041803023 22301271109 24091339693 24924950063 25393574271 29163200681 30739589907 32594165467 34356012249 44927092941 49450644633 55268367531 59861306661 66903813327 72274019079 74774850189 87489602043 91181146433 97782496401 194684069411 273543439299 313187416009 379121608853 423724151071 554100812939 584052208233 939562248027 1137364826559 1271172453213 1662302438817 7203310568207 21609931704621
• Sum of all divisors σ(n): 37760001842304
• Sum of proper divisors (its aliquot sum) s(n): 16150070137683
• 21609931704621 is a deficient number, because the sum of its proper divisors (16150070137683) is less than itself. Its deficiency is 5459861566938

Bases of 21609931704621

• Binary: 100111010011101110100010011011000100100101101₂
• Hexadecimal: 0x13A7744D892D
• Base-36: 7NRGRDUZX

Squares and roots of 21609931704621

• 21609931704621 squared (21609931704621²) is 466989148278383878792753641
• 21609931704621 cubed (21609931704621³) is 10091603601095005061286896540837634275061
• The square root of 21609931704621 is 4648648.3739492493
• The cube root of 21609931704621 is 27853.8007633091

Scales and comparisons

• 21,609,931,704,621 seconds is equal to 687,128 years, 51 weeks, 1 day, 6 hours, 50 minutes, 21 seconds.
• To count from 1 to 21,609,931,704,621 would take you about one million, seven hundred seventeen thousand, eight hundred twenty-two 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 21609931704621 cubic inches would be around 2321.2 feet tall.

Recreational maths with 21609931704621

• 21609931704621 backwards is 12640713990612
• 21609931704621 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21609931704621's digits is 51
• More coming soon!