21009667799835

Names of 21009667799835

• Cardinal: 21009667799835 can be written as Twenty-one trillion, nine billion, six hundred sixty-seven million, seven hundred ninety-nine thousand, eight hundred thirty-five.

Scientific notation

• Scientific notation: 2.1009667799835 × 10¹³

Factors of 21009667799835

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1425

Divisors of 21009667799835

• Number of divisors d(n): 768
• Complete list of divisors:
  1 3 5 9 11 13 15 17 19 33 37 39 45 51 55 57 65 85 95 99 111 117 143 153 165 171 185 187 195 209 221 247 255 257 285 323 333 407 429 481 495 555 561 585 627 629 663 703 715 741 765 771 855 935 969 1045 1063 1105 1221 1235 1285 1287 1443 1615 1665 1683 1881 1887 1989 2035 2109 2145 2223 2313 2405 2431 2717 2805 2827 2907 3135 3145 3189 3315 3341 3515 3553 3663 3705 3855 4199 4329 4369 4845 4883 5291 5315 5661 6105 6327 6435 6919 7215 7293 7733 8151 8177 8415 8481 9139 9405 9435 9509 9567 9945 10023 10545 10659 11115 11565 11693 11951 12155 12597 13107 13585 13819 14135 14535 14649 15873 15945 16705 17765 18071 18315 20197 20757 20995 21645 21845 21879 23199 24415 24453 24531 25443 26455 27417 28305 28527 30069 31635 31977 34595 35079 35853 36465 36751 37791 38665 39321 39331 40755 40885 41457 42405 43947 45695 46189 47545 47619 47835 48059 50115 53295 53713 54213 56797 58465 59755 60591 62271 62985 63479 65535 69095 69597 73245 73593 79365 82251 83011 85581 89947 90355 100529 100985 103785 104599 105237 107559 109395 110253 115995 117993 122265 122655 123617 124371 127215 131461 137085 138567 142635 144177 150345 152009 155363 159885 161139 161653 162639 170391 175395 179265 180671 181773 183755 188955 190437 196605 196655 198781 207285 219735 222167 230945 234923 238095 240295 249033 262561 268565 269841 271065 273191 283985 301587 302955 311355 313797 317395 330759 343349 347985 353979 367965 370851 394383 411255 415055 415701 427905 432531 432641 449735 456027 466089 483417 484959 502645 511173 511303 522995 526185 537795 542013 551265 571311 589965 596343 618085 621855 624767 657305 666501 668627 692835 698269 704769 720885 747099 747289 760045 776815 787683 805695 808265 809523 813195 819573 851955 903355 904761 908865 913121 941391 952185 993905 1030047 1079143 1110835 1112553 1174615 1183149 1245165 1297923 1312805 1349205 1359787 1365955 1368081 1398267 1454877 1507935 1533909 1568985 1626039 1653795 1708993 1716745 1769895 1778183 1789029 1854255 1874301 1971915 1987381 1999503 2005881 2078505 2094807 2101489 2114307 2162655 2163205 2241867 2280135 2330445 2348723 2363049 2417085 2424795 2458719 2555865 2556515 2584153 2710065 2739363 2856555 2888171 2981715 3005101 3071407 3090141 3123835 3237429 3332505 3343135 3491345 3523845 3551483 3735495 3736445 3776839 3893769 3938415 4047615 4079361 4097865 4463537 4523805 4565605 4601727 4644247 4706955 5126979 5150235 5190629 5334549 5395715 5562765 5622903 5624333 5915745 5962143 6017643 6284421 6304467 6489615 6725601 6798935 6840405 6991335 7046169 7274385 7354897 7669545 7752459 8130195 8218089 8220179 8544965 8664513 8692151 8890915 8945145 9015303 9214221 9371505 9712287 9714757 9936905 9997515 10029405 10108067 10474035 10507445 10571535 10654449 11209335 11330517 11743615 11815245 11870573 12238083 12293595 12703913 12920765 13390611 13696815 13932741 14440855 15025505 15357035 15380937 15450705 15571887 16003647 16187145 16872999 17757415 17886429 18884195 18913401 19468845 20396805 21138507 22064691 22317685 23008635 23116379 23221235 23257377 24660537 25634895 25835953 25953145 25993539 26076453 26672745 27045909 27642663 28114515 28121665 29144271 29810715 30088215 30324201 31422105 31522335 31963347 33628005 33785477 33991551 35230845 35611719 36774485 38111739 38762295 39066313 39928291 40171833 41090445 41100895 41798223 43322565 43460755 45076515 46071105 46715661 48561435 48573785 49098907 50540335 50618997 51086717 53272245 56652585 57096919 59352865 60375211 61190415 63519565 66194073 66953055 67478177 69349137 69663705 73981611 76904685 77507859 77859435 78229359 80018235 84364995 87432813 88240693 89432145 90972603 94567005 95613661 101356431 105692535 106835157 106862327 110323455 111188737 114335217 115581895 116286885 117198939 119784873 123302685 129179765 129967695 130382265 131404871 135229545 138213315 139743043 145721355 147296721 151621005 153260151 159816735 165150869 168927385 169957755 171290757 171837139 178058595 181125633 190558695 192053273 195331565 199641455 200859165 202434531 208047411 208991115 232523577 233578305 245494535 253094985 255433585 264722079 285484595 286840983 301876055 304069293 320586981 330970365 333566211 337390885 346745685 351596817 359354619 369908055 387539295 391146795 394214613 419229129 437164065 439211201 441203465 441890163 454863015 459780453 478068305 495452607 506782155 513872271 515511417 534175785 534311635 543376899 555943685 571676085 576159819 585994695 598924365 607303593 657024355 664127321 698715215 736483605 742259947 766300755 794166237 825754345 856453785 859185695 860522949 905628165 960266365 961760943 970647623 1000698633 1012172655 1040237055 1147129009 1162617885 1182643839 1257687387 1317633603 1323610395 1434204915 1445453581 1486357821 1520346465 1546534251 1602934905 1667831055 1728479457 1757984085 1796773095 1816659559 1890208529 1971073065 1992381963 2096145645 2112586003 2196056005 2209450815 2226779841 2233882807 2298902265 2477263035 2496692549 2569361355 2577557085 2716884495 2880799095 2911942869 3036517965 3264905641 3320636605 3441387027 3711299735 3952900809 3970831185 4302614745 4336360743 4808804715 4853238115 5003493165 5449978677 5670625587 5735645045 5913219195 5977145889 6288436935 6337758009 6588168015 6680339523 6701648421 7227267905 7431789105 7490077647 7732671255 8642397285 8735828607 9083297795 9451042645 9794716923 9961909815 10324161081 10562930015 11133899205 11169414035 12483462745 12618419099 13009082229 14559714345 16324528205 16349936031 17011876761 17206935135 19013274027 19764504045 20104945263 21681803715 22470232941 24572710877 27249893385 27463618039 28353127935 29384150769 29885729445 31688790045 33401697615 33508242105 35913962051 37450388235 37855257297 42443773333 43679143035 48973584615 51620805405 63092095495 65045411145 73718132631 81749680155 82390854117 85059383805 95066370135 100524726315 107741886153 112351164705 113565771891 122863554385 127331319999 137318090195 146920753845 179569810255 189276286485 212218866665 221154397893 247172562351 323225658459 368590663155 381993959997 411954270585 466881506663 538709430765 567828859455 636656599995 1105771989465 1235862811755 1400644519989 1616128292295 1909969799985 2334407533315 4201933559967 7003222599945 21009667799835
• Sum of all divisors σ(n): 49209767792640
• Sum of proper divisors (its aliquot sum) s(n): 28200099992805
• 21009667799835 is an abundant number, because the sum of its proper divisors (28200099992805) is greater than itself. Its abundance is 7190432192970

Bases of 21009667799835

• Binary: 100110001101110110001110010010011101100011011₂
• Hexadecimal: 0x131BB1C93B1B
• Base-36: 7G3PHR5SR

Squares and roots of 21009667799835

• 21009667799835 squared (21009667799835²) is 441406141059423649626027225
• 21009667799835 cubed (21009667799835³) is 9273796388465598924831621328817560507875
• The square root of 21009667799835 is 4583630.4170204429
• The cube root of 21009667799835 is 27593.4748804181

Scales and comparisons

• 21,009,667,799,835 seconds is equal to 668,042 years, 23 weeks, 2 days, 9 hours, 17 minutes, 15 seconds.
• To count from 1 to 21,009,667,799,835 would take you about one million, six hundred seventy thousand, one hundred 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 21009667799835 cubic inches would be around 2299.5 feet tall.

Recreational maths with 21009667799835

• 21009667799835 backwards is 53899776690012
• The number of decimal digits it has is: 14
• The sum of 21009667799835's digits is 72
• More coming soon!