21438909840789
21,438,909,840,789 is an odd composite number composed of seven prime numbers multiplied together.
21438909840789 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred sixty-eight divisors.
Prime factorization of 21438909840789:
35 × 73 × 19 × 37 × 43 × 67 × 127
(3 × 3 × 3 × 3 × 3 × 7 × 7 × 7 × 19 × 37 × 43 × 67 × 127)See below for interesting mathematical facts about the number 21438909840789 from the Numbermatics database.
Names of 21438909840789
- Cardinal: 21438909840789 can be written as Twenty-one trillion, four hundred thirty-eight billion, nine hundred nine million, eight hundred forty thousand, seven hundred eighty-nine.
Scientific notation
- Scientific notation: 2.1438909840789 × 1013
Factors of 21438909840789
Divisors of 21438909840789
- Number of divisors d(n): 768
-
Complete list of divisors:
1 3 7 9 19 21 27 37 43 49 57 63 67 81 111 127 129 133 147 171 189 201 243 259 301 333 343 381 387 399 441 469 513 567 603 703 777 817 889 903 931 999 1029 1143 1161 1197 1273 1323 1407 1539 1591 1701 1809 1813 2107 2109 2331 2413 2451 2479 2667 2709 2793 2881 2997 3087 3283 3429 3483 3591 3819 3969 4221 4617 4699 4773 4921 5427 5439 5461 5719 6223 6321 6327 6517 6993 7239 7353 7437 8001 8127 8379 8509 8643 8911 8991 9261 9849 10287 10449 10773 11137 11457 11907 12663 12691 14097 14319 14749 14763 16281 16317 16383 16891 17157 17353 18669 18963 18981 19551 20167 20979 21717 22059 22311 22981 24003 24381 25137 25527 25929 26733 27783 29547 30229 30861 32319 32893 33411 34371 34447 37989 38073 38227 40033 42291 42957 43561 44247 44289 47101 48951 49149 50673 51471 52059 54739 56007 56889 56943 58653 59563 60501 62377 62937 65151 66177 66933 68943 72009 73143 75411 76581 77787 77959 80199 83349 88641 89281 90687 98679 100233 103113 103341 103759 106597 113967 114219 114681 118237 120099 121471 126873 128871 130683 132741 132867 141169 141303 146853 147447 152019 154413 156177 161671 164217 168021 170667 170829 175959 178689 181503 187131 195453 198531 200799 202057 206829 211603 216027 226233 229743 230251 233361 233877 240597 241129 265923 267589 267843 272061 280231 296037 300699 309339 310023 311277 314833 319791 329707 342657 344043 354711 360297 364413 365887 380619 383173 386613 392049 398223 398601 416941 423507 423909 436639 440559 442341 456057 463239 468531 485013 492651 504063 512001 527877 536067 544509 545713 561393 586359 602397 606171 620487 624967 634809 689229 690753 700083 701631 721791 723387 726313 746179 797769 802767 803529 816183 827659 840693 850297 888111 902097 930069 933831 944499 959373 988183 989121 1027971 1032129 1064133 1080891 1093239 1097661 1131697 1141857 1149519 1176147 1194669 1195803 1250823 1270521 1271727 1309917 1327023 1368171 1389717 1405593 1414399 1455039 1477953 1481221 1512189 1583631 1608201 1611757 1633527 1637139 1684179 1818513 1861461 1873123 1874901 1904427 2025343 2067687 2072259 2104893 2165373 2170161 2178939 2203831 2238537 2307949 2408301 2410587 2448549 2482977 2522079 2550891 2561209 2664333 2682211 2706291 2790207 2801493 2833497 2878119 2918587 2964549 2967363 3083913 3096387 3192399 3242673 3279717 3292983 3395091 3448557 3528441 3584007 3752469 3811563 3815181 3839083 3929751 4104513 4216779 4243197 4365117 4374769 4433859 4443663 4824603 4835271 4900581 4911417 5052537 5084191 5223253 5455539 5584383 5619369 5624703 5713281 5981827 6076029 6216777 6314679 6510483 6536817 6611493 6715611 6923847 6951853 7224903 7231761 7345647 7448931 7566237 7652673 7683627 7921879 7992999 8046633 8370621 8404479 8500491 8634357 8755761 8893647 8902089 9289161 9577197 9728019 9839151 9878949 9900793 10185273 10345671 10368547 10585323 11257407 11434689 11445543 11517249 11789253 12729591 13095351 13124307 13301577 13330989 13537819 14177401 14473809 14505813 14734251 15157611 15252573 15426817 15669759 16155643 16366617 16858107 16874109 17139843 17928463 17945481 18228087 18650331 18775477 18944037 19531449 19610451 19834479 20146833 20771541 20855559 21674709 21695283 22346793 22698711 22958019 23050881 23765637 24139899 25213437 25501473 25903071 26267283 26680941 26706267 26873581 28731591 29517453 29636847 29702379 30555819 30623383 31037013 31105641 33772221 34304067 34551747 35367759 35589337 36562771 38188773 39286053 39372921 39992967 40613457 41872789 42532203 43517439 44202753 45757719 46280451 47009277 48466929 48662971 49099851 50574321 50622327 51419529 53785389 53836443 54684261 55453153 55950993 56326431 58594347 58831353 59503437 60440499 62314623 62566677 65024127 67040379 68096133 68874057 69152643 69305551 71296911 72419697 76504419 78801849 80042823 80118801 80620743 88910541 89107137 91667457 91870149 93111039 93316923 94764733 99241807 101316663 103655241 106103277 106768011 107987719 109688313 114566319 118118763 119978901 121840371 125499241 125618367 127596609 130552317 132608259 137273157 138841353 141027831 145400787 145988913 151722963 151866981 161356167 161509329 164052783 166359459 168979293 176494059 178510311 181321497 186943869 187700031 188115067 201121137 206622171 207457929 207916653 213890733 217259091 236405547 240128469 241862229 257218561 267321411 275002371 275610447 279950769 284294199 293109523 297725421 310965723 320304033 323963157 329064939 340640797 343698957 354356289 359936703 365521113 376497723 376855101 382789827 391656951 411819471 416524059 423083493 436202361 437966739 455168889 484068501 484527987 492158349 499078377 506937879 535530933 560831607 563100093 564345201 622373787 623749959 641672199 651777273 663353131 694692649 709216641 725586687 771655683 801964233 826831341 839852307 852882597 879328569 893176263 932897169 960912099 971889471 987194817 1021922391 1063068867 1096563339 1129493169 1130565303 1148369481 1235458413 1249572177 1269250479 1308607083 1313900217 1316805469 1452205503 1453583961 1497235131 1520813637 1689300279 1693035603 1800529927 1871249877 1925016597 1990059393 2051766661 2084077947 2176760061 2314967049 2384485579 2405892699 2480494023 2519556921 2558647791 2637985707 2679528789 2882736297 2915668413 2961584451 3065767173 3289690017 3388479507 3391695909 3445108443 3748716531 3925821249 3941700651 3950416407 4356616509 4491705393 4562440911 4643471917 5079106809 5401589781 5613749631 5970178179 6155299983 6252233841 6530280183 6944901147 7153456737 7441482069 7675943373 7913957121 8038586367 8648208891 8747005239 8884753353 9197301519 10165438521 10175087727 11825101953 11851249221 12603709489 13475116179 13930415751 15237320427 16204769343 16841248893 17910534537 18465899949 18756701523 20834703441 21460370211 23027830119 23741871363 24115759101 26241015717 27591904557 30496315563 35553747663 37811128467 41791247253 45711961281 48614308029 53731603611 55397699847 56270104569 62504110323 64381110633 71225614089 82775713671 88225966423 106661242989 113433385401 125373741759 145842924087 161194810833 166193099541 168810313707 193143331899 264677899269 319983728967 340300156203 376121225277 437528772261 498579298623 579429995697 794033697807 1020900468609 1128363675831 2382101093421 3062701405827 7146303280263 21438909840789
- Sum of all divisors σ(n): 42378592256000
- Sum of proper divisors (its aliquot sum) s(n): 20939682415211
- 21438909840789 is a deficient number, because the sum of its proper divisors (20939682415211) is less than itself. Its deficiency is 499227425578
Bases of 21438909840789
- Binary: 1001101111111101000101001101011111101100101012
- Hexadecimal: 0x137FA29AFD95
- Base-36: 7LKWDDSB9
Squares and roots of 21438909840789
- 21438909840789 squared (214389098407892) is 459626855161479425328142521
- 21438909840789 cubed (214389098407893) is 9853898708212341629347467188973211089069
-
The
square root of 21438909840789 is 4630217.0403544799 -
The
cube root of 21438909840789 is 27780.1273709925
Scales and comparisons
How big is 21438909840789?- 21,438,909,840,789 seconds is equal to 681,691 years, 6 days, 13 hours, 33 minutes, 9 seconds.
-
To count from 1 to 21,438,909,840,789 would take you about one million, seven hundred four thousand, two hundred twenty-seven 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 21438909840789 cubic inches would be around 2315 feet tall.
Recreational maths with 21438909840789
- 21438909840789 backwards is 98704890983412
- The number of decimal digits it has is: 14
- The sum of 21438909840789's digits is 72
- More coming soon!
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The information we have on file for 21438909840789 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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