21008006640528390
21,008,006,640,528,390 is an even composite number composed of seven prime numbers multiplied together.
What does the number 21008006640528390 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 720 divisors.
21008006640528390 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 21008006640528390:
2 × 34 × 5 × 7 × 17 × 192 × 245712
(2 × 3 × 3 × 3 × 3 × 5 × 7 × 17 × 19 × 19 × 24571 × 24571)See below for interesting mathematical facts about the number 21008006640528390 from the Numbermatics database.
Names of 21008006640528390
- Cardinal: 21008006640528390 can be written as Twenty-one quadrillion, eight trillion, six billion, six hundred forty million, five hundred twenty-eight thousand, three hundred ninety.
Scientific notation
- Scientific notation: 2.100800664052839 × 1016
Factors of 21008006640528390
Divisors of 21008006640528390
- Number of divisors d(n): 720
-
Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 17 18 19 21 27 30 34 35 38 42 45 51 54 57 63 70 81 85 90 95 102 105 114 119 126 133 135 153 162 170 171 189 190 210 238 255 266 270 285 306 315 323 342 357 361 378 399 405 459 510 513 567 570 595 630 646 665 714 722 765 798 810 855 918 945 969 1026 1071 1083 1134 1190 1197 1330 1377 1530 1539 1615 1710 1785 1805 1890 1938 1995 2142 2166 2261 2295 2394 2527 2565 2754 2835 2907 3078 3213 3230 3249 3570 3591 3610 3990 4522 4590 4845 5054 5130 5355 5415 5670 5814 5985 6137 6426 6498 6783 6885 7182 7581 7695 8721 9639 9690 9747 10710 10773 10830 11305 11970 12274 12635 13566 13770 14535 15162 15390 16065 16245 17442 17955 18411 19278 19494 20349 21546 22610 22743 24571 25270 26163 29070 29241 30685 32130 32490 33915 35910 36822 37905 40698 42959 43605 45486 48195 48735 49142 52326 53865 55233 58482 61047 61370 67830 68229 73713 75810 85918 87210 92055 96390 97470 101745 107730 110466 113715 122094 122855 128877 130815 136458 146205 147426 165699 171997 183141 184110 203490 204687 214795 221139 227430 245710 257754 261630 276165 292410 305235 331398 341145 343994 366282 368565 386631 409374 417707 429590 442278 466849 497097 515991 552330 610470 644385 663417 682290 737130 773262 828495 835414 859985 915705 933698 994194 1023435 1031982 1105695 1159893 1253121 1288770 1326834 1400547 1547973 1656990 1719970 1831410 1933155 1990251 2046870 2088535 2211390 2319786 2334245 2485485 2506242 2579955 2801094 2923949 3095946 3267943 3317085 3479679 3759363 3866310 3980502 4177070 4201641 4643919 4668490 4970970 5159910 5799465 5847898 6265605 6535886 6634170 6959358 7002735 7518726 7739865 7936433 8403282 8771847 8870131 9287838 9803829 9951255 11278089 11598930 12531210 12604923 13931757 14005470 14619745 15479730 15872866 16339715 17398395 17543694 17740262 18796815 19607658 19902510 21008205 22556178 23219595 23809299 25209846 26315541 26610393 27863514 29239490 29411487 32679430 33834267 34796790 37593630 37814769 39682165 42016410 43859235 44350655 46439190 47618598 49019145 52631082 53220786 55555031 56390445 58822974 62090917 63024615 67668534 69658785 71427897 75629538 78946623 79364330 79831179 87718470 88234461 88701310 98038290 111110062 112780890 119046495 124181834 126049230 131577705 133051965 139317570 142855794 147057435 150792227 157893246 159662358 166665093 169171335 176468922 186272751 189073845 214283691 236839869 238092990 239493537 263155410 264703383 266103930 277775155 294114870 301584454 310454585 333330186 338342670 357139485 372545502 378147690 394733115 399155895 428567382 441172305 452376681 473679738 478987074 499995279 529406766 555550310 558818253 603734041 620909170 642851073 714278970 718480611 753961135 789466230 798311790 833325465 882344610 904753362 931363755 999990558 1055545589 1071418455 1117636506 1184199345 1197467685 1207468082 1285702146 1323516915 1357130043 1436961222 1499985837 1507922270 1666650930 1676454759 1811202123 1862727510 2111091178 2142836910 2261883405 2368398690 2394935370 2499976395 2647033830 2714260086 2794091265 2999971674 3018670205 3166636767 3214255365 3352909518 3592403055 3622404246 4071390129 4226138287 4499957511 4523766810 4999952790 5029364277 5277727945 5433606369 5588182530 6037340410 6333273534 6428510730 6785650215 7184806110 7499929185 8142780258 8382273795 8452276574 8999915022 9056010615 9499910301 10058728554 10263478697 10555455890 10867212738 11470946779 12214170387 12678414861 13571300430 14999858370 15833183835 16300819107 16764547590 18112021230 18999820602 20356950645 20526957394 21130691435 22499787555 22941893558 24428340774 25146821385 25356829722 27168031845 28499730903 30790436091 31666367670 32601638214 34412840337 38035244583 40713901290 42261382870 44999575110 47499551505 48902457321 50293642770 51317393485 54336063690 56999461806 57354733895 61070851935 61580872182 63392074305 68825680674 71844350879 76070489166 80296627453 81504095535 85499192709 92371308273 94999103010 97804914642 102634786970 103238521011 114105733749 114709467790 122141703870 126784148610 142498654515 143688701758 153952180455 160593254906 163008191070 170998385418 172064201685 184742616546 190176222915 195006095243 206477042022 215533052637 217947988801 228211467498 240889882359 244512286605 277113924819 284997309030 307904360910 309715563033 342317201247 344128403370 359221754395 380352445830 390012190486 401483137265 427495963545 431066105274 435895977602 461856541365 481779764718 489024573210 516192605055 554227849638 570528668745 585018285729 619431126066 646599157911 653843966403 684634402494 718443508790 722669647077 802966274530 831341774457 854991927090 923713082730 929146689099 975030476215 1032385210110 1077665263185 1089739944005 1141057337490 1170036571458 1204449411795 1293198315822 1307687932806 1365042666701 1385569624095 1445339294154 1525635921607 1548577815165 1662683548914 1711586006235 1755054857187 1858293378198 1939797473733 1950060952430 1961531899209 2155330526370 2168008941231 2179479888010 2408898823590 2730085333402 2771139248190 2925091428645 3051271843214 3097155630330 3232995789555 3269219832015 3423172012470 3510109714374 3613348235385 3705115809617 3879594947466 3923063798418 4095128000103 4156708872285 4336017882462 4576907764821 4645733445495 5265164571561 5819392421199 5850182857290 5884595697627 6465991579110 6504026823693 6538439664030 6825213333505 7226696470770 7410231619234 7628179608035 8190256000206 8313417744570 8775274285935 9153815529642 9291466890990 9698987368665 9807659496045 10530329143122 10840044706155 11115347428851 11638784842398 11769191395254 12285384000309 13008053647386 13650426667010 13730723294463 15256359216070 15795493714683 17550548571870 17653787092881 18525579048085 19397974737330 19615318992090 20475640000515 21680089412310 22230694857702 22884538824105 24570768000618 25935810667319 26325822857805 27461446588926 29096962105995 29422978488135 31590987429366 32520134118465 33346042286553 35307574185762 36856152000927 37051158096170 40951280001030 41192169883389 45769077648210 51871621334638 52651645715610 55576737144255 58193924211990 58845956976270 61426920001545 65040268236930 66692084573106 68653616472315 73712304001854 77807432001957 78977468573415 82384339766778 88268935464405 100038126859659 110568456002781 111153474288510 122853840003090 123576509650167 129679053336595 137307232944630 155614864003914 157954937146830 166730211432765 176537870928810 184280760004635 200076253719318 205960849416945 221136912005562 233422296005871 247153019300334 259358106673190 300114380578977 333460422865530 368561520009270 389037160009785 411921698833890 466844592011742 500190634298295 552842280013905 600228761157954 617882548250835 700266888017613 778074320019570 1000381268596590 1105684560027810 1167111480029355 1235765096501670 1400533776035226 1500571902894885 2100800664052839 2334222960058710 3001143805789770 3501334440088065 4201601328105678 7002668880176130 10504003320264195 21008006640528390
- Sum of all divisors σ(n): 72145406120030496
- Sum of proper divisors (its aliquot sum) s(n): 51137399479502106
- 21008006640528390 is an abundant number, because the sum of its proper divisors (51137399479502106) is greater than itself. Its abundance is 30129392838973716
Bases of 21008006640528390
- Binary: 10010101010001010101011101101010011111101101100000001102
- Hexadecimal: 0x4AA2ABB53F6C06
- Base-36: 5QUPT0N42DI
Squares and roots of 21008006640528390
- 21008006640528390 squared (210080066405283902) is 441336343008484930857298395992100
- 21008006640528390 cubed (210080066405283903) is 9271596824628766714072318948079074087002265719000
-
The
square root of 21008006640528390 is 144941390.3635824449 -
The
cube root of 21008006640528390 is 275927.4762212049
Scales and comparisons
How big is 21008006640528390?- 21,008,006,640,528,390 seconds is equal to 667,989,629 years, 7 weeks, 1 day, 2 hours, 46 minutes, 30 seconds.
-
To count from 1 to 21,008,006,640,528,390 would take you about two billion, three million, nine hundred sixty-eight thousand, eight hundred eighty-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 21008006640528390 cubic inches would be around 22994 feet tall.
Recreational maths with 21008006640528390
- 21008006640528390 backwards is 09382504660080012
- 21008006640528390 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 21008006640528390's digits is 54
- More coming soon!
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The information we have on file for 21008006640528390 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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