21390521015808
21,390,521,015,808 is an even composite number composed of five prime numbers multiplied together.
21390521015808 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 21390521015808:
29 × 35 × 7 × 131 × 4332
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 7 × 131 × 433 × 433)See below for interesting mathematical facts about the number 21390521015808 from the Numbermatics database.
Names of 21390521015808
- Cardinal: 21390521015808 can be written as Twenty-one trillion, three hundred ninety billion, five hundred twenty-one million, fifteen thousand, eight hundred eight.
Scientific notation
- Scientific notation: 2.1390521015808 × 1013
Factors of 21390521015808
Divisors of 21390521015808
- Number of divisors d(n): 720
-
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 72 81 84 96 108 112 126 128 131 144 162 168 189 192 216 224 243 252 256 262 288 324 336 378 384 393 432 433 448 486 504 512 524 567 576 648 672 756 768 786 864 866 896 917 972 1008 1048 1134 1152 1179 1296 1299 1344 1512 1536 1572 1701 1728 1732 1792 1834 1944 2016 2096 2268 2304 2358 2592 2598 2688 2751 3024 3031 3144 3402 3456 3464 3537 3584 3668 3888 3897 4032 4192 4536 4608 4716 5184 5196 5376 5502 6048 6062 6288 6804 6912 6928 7074 7336 7776 7794 8064 8253 8384 9072 9093 9432 10368 10392 10611 10752 11004 11691 12096 12124 12576 13608 13824 13856 14148 14672 15552 15588 16128 16506 16768 18144 18186 18864 20736 20784 21222 22008 23382 24192 24248 24759 25152 27216 27279 27712 28296 29344 31104 31176 31833 32256 33012 33536 35073 36288 36372 37728 41472 41568 42444 44016 46764 48384 48496 49518 50304 54432 54558 55424 56592 56723 58688 62208 62352 63666 66024 67072 70146 72576 72744 74277 75456 81837 83136 84888 88032 93528 96768 96992 99036 100608 105219 108864 109116 110848 113184 113446 117376 124416 124704 127332 132048 140292 145152 145488 148554 150912 163674 166272 169776 170169 176064 187056 187489 193984 198072 201216 210438 217728 218232 221696 222831 226368 226892 234752 245511 249408 254664 264096 280584 290304 290976 297108 301824 327348 332544 339552 340338 352128 374112 374978 387968 396144 397061 420876 435456 436464 445662 452736 453784 469504 491022 498816 509328 510507 528192 561168 562467 581952 594216 603648 654696 665088 679104 680676 704256 736533 748224 749956 775936 792288 794122 841752 870912 872928 891324 905472 907568 982044 997632 1018656 1021014 1056384 1122336 1124934 1163904 1188432 1191183 1309392 1312423 1358208 1361352 1408512 1473066 1496448 1499912 1531521 1551872 1584576 1588244 1683504 1687401 1745856 1782648 1810944 1815136 1964088 1995264 2037312 2042028 2112768 2244672 2249868 2327808 2376864 2382366 2618784 2624846 2716416 2722704 2946132 2992896 2999824 3063042 3169152 3176488 3367008 3374802 3491712 3565296 3573549 3630272 3928176 3937269 4074624 4084056 4225536 4489344 4499736 4594563 4655616 4753728 4764732 5062203 5237568 5249692 5432832 5445408 5892264 5985792 5999648 6126084 6338304 6352976 6734016 6749604 6983424 7130592 7147098 7260544 7856352 7874538 8149248 8168112 8978688 8999472 9189126 9507456 9529464 10124406 10475136 10499384 10720647 10890816 11784528 11811807 11999296 12252168 12676608 12705952 13468032 13499208 13783689 13966848 14261184 14294196 14521088 15186609 15712704 15749076 16298496 16336224 17957376 17998944 18378252 19014912 19058928 20248812 20950272 20998768 21441294 21781632 23569056 23623614 23998592 24504336 24561059 25411904 26936064 26998416 27567378 28522368 28588392 29042176 30373218 31425408 31498152 32161941 32672448 35435421 35997888 36756504 38029824 38117856 40497624 41900544 41997536 42882588 43563264 45559827 47138112 47247228 47997184 49008672 49122118 50823808 53872128 53996832 55134756 57044736 57176784 60746436 62850816 62996304 64323882 65344896 70870842 71995776 73513008 73683177 76235712 80995248 83995072 85765176 87126528 91119654 94276224 94494456 95994368 96485823 98017344 98244236 101647616 106306263 107993664 110269512 114089472 114353568 121492872 125701632 125992608 128647764 130689792 141741684 143991552 147026016 147366354 152471424 161990496 167990144 171530352 171927413 182239308 188552448 188988912 192971646 196034688 196488472 203295232 212612526 215987328 220539024 221049531 228707136 242985744 251985216 257295528 261379584 283483368 287983104 294052032 294732708 304942848 318918789 323980992 335980288 343060704 343854826 364478616 377104896 377977824 385943292 392069376 392976944 425225052 431974656 441078048 442099062 457414272 485971488 503970432 514591056 515782239 566966736 588104064 589465416 609885696 637837578 647961984 663148593 671960576 686121408 687709652 728957232 755955648 771886584 784138752 785953888 850450104 863949312 882156096 884198124 914828544 971942976 1007940864 1029182112 1031564478 1133933472 1176208128 1178930832 1275675156 1295923968 1326297186 1372242816 1375419304 1457914464 1511911296 1543773168 1547346717 1571907776 1700900208 1764312192 1768396248 1829657088 1943885952 1989445779 2015881728 2058364224 2063128956 2267866944 2352416256 2357861664 2551350312 2591847936 2652594372 2744485632 2750838608 2915828928 3023822592 3087546336 3094693434 3143815552 3401800416 3528624384 3536792496 3887771904 3978891558 4116728448 4126257912 4535733888 4642040151 4715723328 5102700624 5305188744 5488971264 5501677216 5831657856 5968337337 6047645184 6175092672 6189386868 6287631104 6803600832 7057248768 7073584992 7775543808 7957783116 8233456896 8252515824 9071467776 9284080302 9431446656 10205401248 10610377488 11003354432 11663315712 11936674674 12350185344 12378773736 12575262208 13607201664 13926120453 14147169984 15915566232 16466913792 16505031648 18142935552 18568160604 18862893312 20410802496 21220754976 22006708864 23326631424 23873349348 24700370688 24757547472 27214403328 27852240906 28294339968 31831132464 33010063296 37136321208 37725786624 40821604992 41778361359 42441509952 44013417728 47746698696 49400741376 49515094944 54428806656 55704481812 56588679936 63662264928 66020126592 74272642416 81643209984 83556722718 84883019904 88026835456 95493397392 99030189888 111408963624 113177359872 127324529856 132040253184 148545284832 163286419968 167113445436 169766039808 190986794784 198060379776 222817927248 254649059712 264080506368 297090569664 334226890872 339532079616 381973589568 396120759552 445635854496 509298119424 594181139328 668453781744 763947179136 792241519104 891271708992 1018596238848 1188362278656 1336907563488 1527894358272 1782543417984 2376724557312 2673815126976 3055788716544 3565086835968 5347630253952 7130173671936 10695260507904 21390521015808
- Sum of all divisors σ(n): 73895990103936
- Sum of proper divisors (its aliquot sum) s(n): 52505469088128
- 21390521015808 is an abundant number, because the sum of its proper divisors (52505469088128) is greater than itself. Its abundance is 31114948072320
Bases of 21390521015808
- Binary: 1001101110100010111100110100000011110000000002
- Hexadecimal: 0x13745E681E00
- Base-36: 7KYO3XC00
Squares and roots of 21390521015808
- 21390521015808 squared (213905210158082) is 457554389327723712185892864
- 21390521015808 cubed (213905210158083) is 9787326780789869734202953653376738394112
-
The
square root of 21390521015808 is 4624988.7584520679 -
The
cube root of 21390521015808 is 27759.2111902583
Scales and comparisons
How big is 21390521015808?- 21,390,521,015,808 seconds is equal to 680,152 years, 20 weeks, 6 days, 17 hours, 16 minutes, 48 seconds.
-
To count from 1 to 21,390,521,015,808 would take you about one million, seven hundred thousand, three hundred eighty-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 21390521015808 cubic inches would be around 2313.3 feet tall.
Recreational maths with 21390521015808
- 21390521015808 backwards is 80851012509312
- The number of decimal digits it has is: 14
- The sum of 21390521015808's digits is 45
- More coming soon!
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The information we have on file for 21390521015808 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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