21311940874928067

Names of 21311940874928067

• Cardinal: 21311940874928067 can be written as Twenty-one quadrillion, three hundred eleven trillion, nine hundred forty billion, eight hundred seventy-four million, nine hundred twenty-eight thousand and sixty-seven.

Scientific notation

• Scientific notation: 2.1311940874928067 × 10¹⁶

Factors of 21311940874928067

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 403

Divisors of 21311940874928067

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 7 9 13 21 31 39 49 63 91 93 117 147 169 217 273 279 343 349 403 441 507 637 651 819 961 1029 1047 1183 1209 1519 1521 1911 1953 2443 2821 2883 3087 3141 3549 3627 4459 4537 4557 5239 5733 6727 7329 8281 8463 8649 10633 10647 10819 12493 13377 13611 13671 15717 17101 19747 20181 21987 24843 25389 31759 31899 32457 36673 37479 40131 40833 47089 47151 51303 57967 58981 59241 60543 74529 75733 87451 95277 95697 97371 110019 112437 119707 121801 138229 140647 141267 153909 162409 173901 176943 177723 222313 227199 256711 262353 285831 329623 330057 335389 359121 365403 412867 414687 421941 423801 487227 521703 530131 530829 612157 666939 681597 770133 787059 852607 984529 988869 1006167 1077363 1096209 1136863 1238601 1244061 1265823 1461681 1556191 1583413 1590393 1796977 1828411 1836471 2000817 2310399 2347723 2557821 2890069 2953587 2966607 3018501 3410589 3710917 3715803 3775831 4285099 4360057 4668573 4750239 4771179 5390931 5485233 5509413 5968249 6891703 7043169 7673463 7958041 8670207 8860761 10231767 11083891 11132751 11327493 12798877 12855297 13080171 14005719 14250717 16172793 16434061 16455699 17904747 20230483 20584369 20675109 21129507 23874123 26010621 26430817 30520399 33251673 33398253 33982479 38396631 38565891 39240513 41777743 42508549 48241921 49085803 49302183 53714241 55706287 56680741 60691449 61753107 62025327 71622369 77587237 79292451 89592139 91561197 99755019 115038427 115189893 117050761 125333229 127525647 144090583 144725763 147257409 147906549 167118861 170042223 182074347 185015719 185259321 213642793 232761711 237877353 268776417 274683591 297559843 343600621 345115281 351152283 375999687 382576941 396765187 432271749 434177289 441772227 501356583 510126669 543110659 552611137 555047157 627144973 638115439 640928379 698285133 806329251 819355327 892679529 1008634081 1030801863 1035345843 1053456849 1190295561 1295110033 1296815247 1317765019 1495499551 1521659893 1629331977 1657833411 1665141471 1881434919 1914346317 1922785137 2082918901 2405204347 2458065981 2678038587 2777356309 3025902243 3092405589 3570886683 3868277959 3885330099 3953295057 4466808073 4486498653 4564979679 4887995931 4973500233 5644304757 5735487289 5743038951 6248756703 7060438567 7183944781 7215613041 7374197943 8332068927 9077706729 9224355133 10651619251 11604833877 11655990297 11859885171 13400424219 13459495959 13694939037 14580432307 16836430429 17130945247 17206461867 18746270109 19441494163 19781578609 21181315701 21551834343 21646839123 24996206781 27077945713 27673065399 31267656511 31954857753 34814501631 40148411023 40201272657 40850715589 43741296921 50287613467 50509291287 51392835741 51619385601 58324482489 59344735827 63543947103 64570485931 64655503029 74561334757 81233837139 83019196197 93802969533 95864573259 119916616729 120445233069 122552146767 131223890763 138471050263 150862840401 151527873861 154178507223 174973447467 178034207481 189545619991 193711457793 218873595577 222702288211 223684004271 243701511417 281408908599 285955009123 352013294269 359749850187 361335699207 367656440301 415413150789 451993401517 452588521203 521929343299 531059302657 568636859973 581134373379 656620786731 668106864633 671052012813 839416317103 857865027369 969297351841 1056039882807 1079249550561 1246239452367 1355980204551 1558916017477 1565788029897 1593177907971 1705910579919 1969862360193 2001685063861 2004320593899 2464093059883 2518248951309 2573595082107 2907892055523 3168119648421 3717415118599 4067940613653 4676748052431 4697364089691 4779533723913 5875914219721 6005055191583 6785081462887 6903770934541 7392279179649 7554746853927 8723676166569 10912412122339 11152245355797 14011795447027 14030244157293 17627742659163 18015165574749 20355244388661 20711312803623 22176837538947 26021905830193 32737236367017 33456736067391 42035386341081 48326396541787 52883227977489 61065733165983 62133938410869 76386884856373 78065717490579 98211709101051 126106159023243 144979189625361 182153340811351 229160654569119 234197152471737 338284775792509 434937568876083 546460022434053 687481963707357 1014854327377527 1639380067302159 2367993430547563 3044562982132581 7103980291642689 21311940874928067
• Sum of all divisors σ(n): 40283402501160000
• Sum of proper divisors (its aliquot sum) s(n): 18971461626231933
• 21311940874928067 is a deficient number, because the sum of its proper divisors (18971461626231933) is less than itself. Its deficiency is 2340479248696134

Bases of 21311940874928067

• Binary: 1001011101101110001100011101001010100101111111111000011₂
• Hexadecimal: 0x4BB718E952FFC3
• Base-36: 5TUGAH6XAYR

Squares and roots of 21311940874928067

• 21311940874928067 squared (21311940874928067²) is 454198823856429701939082424356489
• 21311940874928067 cubed (21311940874928067³) is 9679858479490097412323132921887569474556639676763
• The square root of 21311940874928067 is 145986098.2248928627
• The cube root of 21311940874928067 is 277251.7743469901

Scales and comparisons

• 21,311,940,874,928,067 seconds is equal to 677,653,797 years, 34 weeks, 2 days, 16 hours, 54 minutes, 27 seconds.
• To count from 1 to 21,311,940,874,928,067 would take you about two billion, thirty-two million, nine hundred sixty-one thousand, three hundred ninety-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 21311940874928067 cubic inches would be around 23104.3 feet tall.

Recreational maths with 21311940874928067

• 21311940874928067 backwards is 76082947804911312
• The number of decimal digits it has is: 17
• The sum of 21311940874928067's digits is 72
• More coming soon!