21438994286164
21,438,994,286,164 is an even composite number composed of six prime numbers multiplied together.
21438994286164 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty-six divisors.
Prime factorization of 21438994286164:
22 × 72 × 132 × 312 × 612 × 181
(2 × 2 × 7 × 7 × 13 × 13 × 31 × 31 × 61 × 61 × 181)See below for interesting mathematical facts about the number 21438994286164 from the Numbermatics database.
Names of 21438994286164
- Cardinal: 21438994286164 can be written as Twenty-one trillion, four hundred thirty-eight billion, nine hundred ninety-four million, two hundred eighty-six thousand, one hundred sixty-four.
Scientific notation
- Scientific notation: 2.1438994286164 × 1013
Factors of 21438994286164
Divisors of 21438994286164
- Number of divisors d(n): 486
-
Complete list of divisors:
1 2 4 7 13 14 26 28 31 49 52 61 62 91 98 122 124 169 181 182 196 217 244 338 362 364 403 427 434 637 676 724 793 806 854 868 961 1183 1267 1274 1519 1586 1612 1708 1891 1922 2353 2366 2534 2548 2821 2989 3038 3172 3721 3782 3844 4706 4732 5068 5239 5551 5611 5642 5978 6076 6727 7442 7564 8281 8869 9412 10309 10478 11041 11102 11222 11284 11956 12493 13237 13454 14884 16471 16562 17738 19747 20618 20956 22082 22204 22444 24583 24986 26047 26474 26908 30589 32942 33124 35476 36673 38857 39277 39494 41236 44164 47089 48373 49166 49972 52094 52948 58621 61178 65884 72163 72943 73346 77287 77714 78554 78988 87451 92659 94178 96746 98332 104188 115297 115351 117242 122356 143533 144326 145886 146692 154574 155428 157108 162409 172081 173941 174902 182329 185318 188356 193492 214123 230594 230702 234484 256711 274939 287066 288652 291772 309148 319579 324818 338611 342271 344162 347882 349804 364658 370636 410347 428246 461188 461404 505141 510601 513422 541009 549878 574132 612157 628849 639158 649636 673501 677222 684542 688324 695764 729316 762073 807457 820694 856492 948259 1004731 1010282 1021202 1026844 1082018 1099756 1136863 1204567 1217587 1224314 1257698 1278316 1347002 1354444 1369084 1498861 1499563 1524146 1614914 1641388 1865929 1896518 2009462 2020564 2042404 2164036 2237053 2261233 2273726 2370277 2395897 2409134 2435174 2448628 2515396 2694004 2872429 2997722 2999126 3048292 3229828 3574207 3575881 3731858 3793036 4018924 4401943 4449523 4474106 4522466 4547452 4714507 4740554 4791794 4818268 4870348 5334511 5652199 5744858 5995444 5998252 6637813 7033117 7148414 7151762 7463716 7958041 8523109 8755513 8803886 8899046 8948212 9044932 9429014 9481108 9583588 9906949 10496941 10610401 10669022 11304398 11489716 13061503 13275626 14066234 14296828 14303524 15659371 15828631 15916082 16771279 17046218 17511026 17607772 17798092 18858028 19494319 19813898 20878531 20993882 21220802 21338044 22608796 25031167 26123006 26551252 28132468 29396029 30813601 31146661 31318742 31657262 31832164 33001549 33542558 34092436 35022052 37341577 38988638 39627796 41757062 41987764 42441604 46464691 46486453 50062334 52246012 57843799 58792058 61288591 61627202 62293322 62637484 63314524 66003098 67085116 69348643 73478587 74272807 74683154 77977276 83514124 91430521 92929382 92972906 100124668 110800417 113821669 115687598 117584116 122577182 123254404 124586644 132006196 136460233 137935213 138697286 146149717 146957174 148545614 149366308 175218169 182861042 185858764 185945812 205772203 218026627 221600834 227643338 231375196 245154364 271420903 272920466 275870426 277394572 292299434 293914348 297091228 325405171 350436338 365722084 404906593 411544406 429020137 436053254 443201668 455286676 485440501 519909649 542841806 545840932 551740852 584598868 604323889 647234461 650810342 700872676 796751683 809813186 823088812 858040274 872106508 955221631 965546491 970881002 1023048019 1039819298 1085683612 1208647778 1294468922 1301620684 1440405421 1593503366 1619626372 1716080548 1793157769 1899946321 1910443262 1931092982 1941762004 2046096038 2079638596 2277836197 2417295556 2588937844 2834346151 2880810842 3187006732 3528471739 3586315538 3799892642 3820886524 3862185964 4092192076 4230267223 4530641227 4555672394 5577261781 5668692302 5761621684 6758825437 7056943478 7172631076 7599785284 8414047993 8460534446 9061282454 9111344788 11154523562 11337384604 12552104383 13299624247 13517650874 14113886956 16828095986 16921068892 18122564908 22309047124 24699302173 25104208766 26599248494 27035301748 29611870561 31714488589 33656191972 49398604346 50208417532 53198496988 58898335951 59223741122 63428977178 87864730681 98797208692 109382623909 117796671902 118447482244 126857954356 172895115211 175729461362 218765247818 235593343804 345790230422 351458922724 412288351657 437530495636 691580460844 765678367363 824576703314 1531356734726 1649153406628 3062713469452 5359748571541 10719497143082 21438994286164
- Sum of all divisors σ(n): 49920734103786
- Sum of proper divisors (its aliquot sum) s(n): 28481739817622
- 21438994286164 is an abundant number, because the sum of its proper divisors (28481739817622) is greater than itself. Its abundance is 7042745531458
Bases of 21438994286164
- Binary: 1001101111111101001111010001110000110010101002
- Hexadecimal: 0x137FA7A38654
- Base-36: 7LKXRNQS4
Squares and roots of 21438994286164
- 21438994286164 squared (214389942861642) is 459630476002172639921834896
- 21438994286164 cubed (214389942861643) is 9854015148757418748934110134926585178944
-
The
square root of 21438994286164 is 4630226.1592889823 -
The
cube root of 21438994286164 is 27780.1638451761
Scales and comparisons
How big is 21438994286164?- 21,438,994,286,164 seconds is equal to 681,693 years, 36 weeks, 3 days, 22 hours, 36 minutes, 4 seconds.
-
To count from 1 to 21,438,994,286,164 would take you about one million, seven hundred four thousand, two hundred thirty-four 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 21438994286164 cubic inches would be around 2315 feet tall.
Recreational maths with 21438994286164
- 21438994286164 backwards is 46168249983412
- The number of decimal digits it has is: 14
- The sum of 21438994286164's digits is 67
- More coming soon!
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