20642091807438

Names of 20642091807438

• Cardinal: 20642091807438 can be written as Twenty trillion, six hundred forty-two billion, ninety-one million, eight hundred seven thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 2.0642091807438 × 10¹³

Factors of 20642091807438

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 227

Divisors of 20642091807438

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 6 9 18 19 27 29 37 38 54 57 58 74 81 87 111 114 137 162 171 174 222 243 261 274 333 342 411 486 513 522 551 666 703 729 783 822 999 1026 1073 1102 1233 1369 1406 1458 1539 1566 1653 1998 2109 2146 2349 2466 2603 2738 2997 3078 3219 3306 3699 3973 4107 4218 4617 4698 4959 5069 5206 5994 6327 6438 7047 7398 7809 7946 8214 8991 9234 9657 9918 10138 11097 11919 12321 12654 13851 14094 14877 15207 15618 17982 18769 18981 19314 20387 21141 22194 23427 23838 24642 26011 26973 27702 28971 29754 30414 33291 35757 36963 37538 37962 39701 40774 42282 44631 45621 46854 52022 53946 56307 56943 57942 61161 66582 70281 71514 73926 75487 78033 79402 86913 89262 91242 96311 99873 107271 110889 112614 113886 119103 122322 133893 136863 140562 147001 150974 156066 168921 170829 173826 183483 187553 192622 199746 210843 214542 221778 226461 234099 238206 260739 267786 273726 288933 294002 321813 332667 337842 341658 356611 357309 366966 375106 401679 410589 421686 441003 452922 468198 506763 512487 521478 544301 550449 562659 577866 632529 643626 665334 679383 694453 702297 713222 714618 754319 782217 803358 821178 866799 882006 965439 998001 1013526 1024974 1069833 1071927 1088602 1100898 1125318 1231767 1265058 1323009 1358766 1388906 1404594 1508638 1520289 1564434 1632903 1651347 1687977 1733598 1897587 1930878 1996002 2038149 2083359 2106891 2139666 2143854 2262957 2463534 2600397 2646018 2793019 2896317 3040578 3209499 3215781 3265806 3302694 3375954 3563507 3695301 3795174 3969027 4076298 4166718 4213782 4525914 4560867 4898709 4954041 5063931 5200794 5439037 5586038 5792634 6114447 6250077 6320673 6418998 6431562 6788871 7127014 7390602 7801191 7938054 8379057 9121734 9628497 9647343 9797418 9908082 10127862 10341719 10690521 10878074 11907081 12228894 12500154 12641346 13194607 13577742 13682601 14696127 14862123 15191793 15602382 16317111 16758114 18343341 18750231 18962019 19256994 19294686 20139137 20366613 20683438 21381042 23403573 23814162 25137171 25694761 26389214 27365202 28885491 28942029 29392254 29724246 30383586 31025157 32071563 32634222 35721243 36686682 37500462 37924038 39583821 40278274 40733226 44088381 45575379 46807146 48951333 50274342 51389522 55030023 56250693 57770982 57884058 60417411 61099839 62050314 64143126 70210719 71442486 75411513 77084283 79167642 86656473 88176762 91150758 93075471 96214689 97902666 103341703 107163729 110060046 112501386 118751463 120834822 122199678 132265143 136726137 140421438 146853999 150823026 154168566 168752079 173312946 181252233 183299517 186150942 192429378 206683406 214327458 226234539 231252849 237502926 259969419 264530286 273452274 279226413 288644067 293707998 310025109 337504158 356254389 362504466 366599034 382643603 396795429 440561997 452469078 462505698 488200459 506256237 519938838 543756699 549898551 558452826 577288134 620050218 678703617 693758547 712508778 745148069 765287206 793590858 837679239 865932201 881123994 930075327 976400918 1012512474 1068763167 1087513398 1099797102 1147930809 1321685991 1357407234 1387517094 1464601377 1490296138 1631270097 1675358478 1731864402 1860150654 2036110851 2081275641 2137526334 2235444207 2295861618 2513037717 2597796603 2643371982 2790225981 2929202754 3206289501 3262540194 3443792427 3965057973 4072221702 4162551282 4393804131 4470888414 4893810291 5026075434 5195593206 5580451962 6243826923 6412579002 6706332621 6887584854 7539113151 7930115946 8370677943 8787608262 9618868503 9787620582 10331377281 12487653846 13181412393 13412665242 14157813311 14681430873 15078226302 16741355886 18731480769 19237737006 20118997863 20662754562 25112033829 26362824786 28315626622 29362861746 30994131843 37462961538 39544237179 40237995726 42473439933 50224067658 60356993589 61988263686 75336101487 79088474358 84946879866 92982395529 118632711537 120713987178 127420319799 150672202974 181070980767 185964791058 237265423074 254840639598 278947186587 355898134611 362141961534 382260959397 543212942301 557894373174 711796269222 764521918794 1086425884602 1146782878191 2293565756382 3440348634573 6880697269146 10321045903719 20642091807438
• Sum of all divisors σ(n): 52337067942600
• Sum of proper divisors (its aliquot sum) s(n): 31694976135162
• 20642091807438 is an abundant number, because the sum of its proper divisors (31694976135162) is greater than itself. Its abundance is 11052884327724

Bases of 20642091807438

• Binary: 100101100011000011100100011001011001011001110₂
• Hexadecimal: 0x12C61C8CB2CE
• Base-36: 7BEUGHYVI

Squares and roots of 20642091807438

• 20642091807438 squared (20642091807438²) is 426095954186698997672123844
• 20642091807438 cubed (20642091807438³) is 8795511805099736756156633833502136351672
• The square root of 20642091807438 is 4543356.8875268867
• The cube root of 20642091807438 is 27431.6060449087

Scales and comparisons

• 20,642,091,807,438 seconds is equal to 656,354 years, 34 weeks, 5 days, 14 hours, 57 minutes, 18 seconds.
• To count from 1 to 20,642,091,807,438 would take you about one million, six hundred forty thousand, eight hundred eighty-six 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 20642091807438 cubic inches would be around 2286 feet tall.

Recreational maths with 20642091807438

• 20642091807438 backwards is 83470819024602
• 20642091807438 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20642091807438's digits is 54
• More coming soon!