21388516938432
21,388,516,938,432 is an even composite number composed of five prime numbers multiplied together.
21388516938432 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seven hundred fifty-six divisors.
Prime factorization of 21388516938432:
26 × 38 × 7 × 672 × 1621
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 67 × 67 × 1621)See below for interesting mathematical facts about the number 21388516938432 from the Numbermatics database.
Names of 21388516938432
- Cardinal: 21388516938432 can be written as Twenty-one trillion, three hundred eighty-eight billion, five hundred sixteen million, nine hundred thirty-eight thousand, four hundred thirty-two.
Scientific notation
- Scientific notation: 2.1388516938432 × 1013
Factors of 21388516938432
Divisors of 21388516938432
- Number of divisors d(n): 756
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 67 72 81 84 96 108 112 126 134 144 162 168 189 192 201 216 224 243 252 268 288 324 336 378 402 432 448 469 486 504 536 567 576 603 648 672 729 756 804 864 938 972 1008 1072 1134 1206 1296 1344 1407 1458 1512 1608 1621 1701 1728 1809 1876 1944 2016 2144 2187 2268 2412 2592 2814 2916 3024 3216 3242 3402 3618 3752 3888 4032 4221 4288 4374 4489 4536 4824 4863 5103 5184 5427 5628 5832 6048 6432 6484 6561 6804 7236 7504 7776 8442 8748 8978 9072 9648 9726 10206 10854 11256 11347 11664 12096 12663 12864 12968 13122 13467 13608 14472 14589 15008 15309 15552 16281 16884 17496 17956 18144 19296 19452 20412 21708 22512 22694 23328 25326 25936 26244 26934 27216 28944 29178 30016 30618 31423 32562 33768 34041 34992 35912 36288 37989 38592 38904 40401 40824 43416 43767 45024 45388 45927 46656 48843 50652 51872 52488 53868 54432 57888 58356 61236 62846 65124 67536 68082 69984 71824 75978 77808 80802 81648 86832 87534 90048 90776 91854 94269 97686 101304 102123 103744 104976 107736 108607 108864 113967 115776 116712 121203 122472 125692 130248 131301 135072 136164 139968 143648 146529 151956 155616 161604 163296 173664 175068 181552 183708 188538 195372 202608 204246 209952 215472 217214 227934 233424 242406 244944 251384 260496 262602 270144 272328 282807 287296 293058 303912 306369 311232 323208 325821 326592 341901 347328 350136 363104 363609 367416 377076 390744 393903 405216 408492 419904 430944 434428 439587 455868 466848 484812 489888 502768 520992 525204 544656 565614 586116 607824 612738 646416 651642 683802 700272 726208 727218 734832 754152 760249 781488 787806 810432 816984 848421 861888 868856 879174 911736 919107 933696 969624 977463 979776 1005536 1025703 1041984 1050408 1089312 1090827 1131228 1172232 1181709 1215648 1225476 1292832 1303284 1367604 1400544 1454436 1469664 1508304 1520498 1562976 1575612 1633968 1696842 1737712 1758348 1823472 1838214 1939248 1954926 2011072 2051406 2100816 2178624 2181654 2262456 2280747 2344464 2363418 2431296 2450952 2545263 2585664 2606568 2735208 2757321 2801088 2908872 2932389 2939328 3016608 3040996 3077109 3125952 3151224 3267936 3272481 3393684 3475424 3516696 3545127 3646944 3676428 3878496 3909852 4102812 4201632 4363308 4524912 4561494 4688928 4726836 4901904 5090526 5213136 5470416 5514642 5817744 5864778 6033216 6081992 6154218 6302448 6535872 6544962 6787368 6842241 6950848 7033392 7090254 7276669 7293888 7352856 7635789 7756992 7819704 8205624 8271963 8403264 8726616 8797167 9049824 9122988 9377856 9453672 9803808 9817443 10181052 10426272 10635381 10940832 11029284 11635488 11729556 12163984 12308436 12604896 13089924 13574736 13684482 14066784 14180508 14553338 14705712 15271578 15639408 16411248 16543926 17453232 17594334 18099648 18245976 18907344 19607616 19634886 20362104 20526723 20852544 21270762 21830007 21881664 22058568 22907367 23270976 23459112 24327968 24616872 24815889 25209792 26179848 26391501 27149472 27368964 28133568 28361016 29106676 29411424 29452329 30543156 31278816 32822496 33087852 34906464 35188668 36491952 37814688 39269772 40724208 41053446 42541524 43660014 44117136 45814734 46918224 48655936 49233744 49631778 50936683 52359696 52783002 54298944 54737928 56722032 58213352 58822848 58904658 61086312 61580169 62557632 65490021 65644992 66175704 68722101 69812928 70377336 72983904 74447667 75629376 78539544 79174503 81448416 82106892 85083048 87320028 88234272 91629468 93836448 98467488 99263556 101873366 104719392 105566004 109475856 113444064 116426704 117809316 122172624 123160338 130980042 132351408 137444202 140754672 145967808 148895334 152810049 157079088 158349006 162896832 164213784 170166096 174640056 176468544 183258936 184740507 187672896 196470063 196934976 198527112 203746732 206166303 209438784 211132008 218951712 226888128 232853408 235618632 237523509 244345248 246320676 261960084 264702816 274888404 281509344 297790668 305620098 314158176 316698012 328427568 340332192 349280112 366517872 369481014 392940126 397054224 407493464 412332606 422264016 437903424 458430147 465706816 471237264 475047018 488690496 492641352 523920168 529405632 549776808 554221521 563018688 589410189 595581336 611240196 628316352 633396024 656855136 680664384 698560224 712570527 733035744 738962028 785880252 794108448 814986928 824665212 844528032 916860294 942474528 950094036 985282704 1047840336 1099553616 1108443042 1178820378 1191162672 1222480392 1266792048 1313710272 1375290441 1397120448 1425141054 1466071488 1477924056 1571760504 1588216896 1629973856 1649330424 1662664563 1689056064 1768230567 1833720588 1884949056 1900188072 1970565408 2095680672 2199107232 2216886084 2357640756 2382325344 2444960784 2533584096 2750580882 2850282108 2955848112 3143521008 3259947712 3298660848 3325329126 3536461134 3667441176 3800376144 3941130816 4125871323 4191361344 4398214464 4433772168 4715281512 4764650688 4889921568 4987993689 5067168192 5304691701 5501161764 5700564216 5911696224 6287042016 6597321696 6650658252 7072922268 7334882352 7600752288 8251742646 8867544336 9430563024 9779843136 9975987378 10609383402 11002323528 11401128432 11823392448 12377613969 12574084032 13194643392 13301316504 14145844536 14669764704 15201504576 15914075103 16503485292 17735088672 18861126048 19951974756 21218766804 22004647056 22802256864 24755227938 26602633008 28291689072 29339529408 31828150206 33006970584 35470177344 37132841907 37722252096 39903949512 42437533608 44009294112 45604513728 47742225309 49510455876 53205266016 56583378144 63656300412 66013941168 74265683814 79807899024 84875067216 88018588224 95484450618 99020911752 106410532032 111398525721 113166756288 127312600824 132027882336 148531367628 159615798048 169750134432 190968901236 198041823504 222797051442 254625201648 264055764672 297062735256 319231596096 334195577163 339500268864 381937802472 396083647008 445594102884 509250403296 594125470512 668391154326 763875604944 792167294016 891188205768 1018500806592 1188250941024 1336782308652 1527751209888 1782376411536 2376501882048 2673564617304 3055502419776 3564752823072 5347129234608 7129505646144 10694258469216 21388516938432
- Sum of all divisors σ(n): 73903127595024
- Sum of proper divisors (its aliquot sum) s(n): 52514610656592
- 21388516938432 is an abundant number, because the sum of its proper divisors (52514610656592) is greater than itself. Its abundance is 31126093718160
Bases of 21388516938432
- Binary: 1001101110011111001101111010001010010110000002
- Hexadecimal: 0x1373E6F452C0
- Base-36: 7KXQYR000
Squares and roots of 21388516938432
- 21388516938432 squared (213885169384322) is 457468656825592574478618624
- 21388516938432 cubed (213885169384323) is 9784576115315922550871616950441016557568
-
The
square root of 21388516938432 is 4624772.0958369399 -
The
cube root of 21388516938432 is 27758.3442432503
Scales and comparisons
How big is 21388516938432?- 21,388,516,938,432 seconds is equal to 680,088 years, 35 weeks, 2 days, 9 hours, 7 minutes, 12 seconds.
-
To count from 1 to 21,388,516,938,432 would take you about one million, seven hundred thousand, two hundred twenty-one 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 21388516938432 cubic inches would be around 2313.2 feet tall.
Recreational maths with 21388516938432
- 21388516938432 backwards is 23483961588312
- 21388516938432 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21388516938432's digits is 63
- More coming soon!
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The information we have on file for 21388516938432 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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