21378321749360640
21,378,321,749,360,640 is an even composite number composed of five prime numbers multiplied together.
21378321749360640 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 21378321749360640:
214 × 3 × 5 × 312 × 4493
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 31 × 31 × 449 × 449 × 449)See below for interesting mathematical facts about the number 21378321749360640 from the Numbermatics database.
Names of 21378321749360640
- Cardinal: 21378321749360640 can be written as Twenty-one quadrillion, three hundred seventy-eight trillion, three hundred twenty-one billion, seven hundred forty-nine million, three hundred sixty thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.137832174936064 × 1016
Factors of 21378321749360640
Divisors of 21378321749360640
- Number of divisors d(n): 720
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 128 155 160 186 192 240 248 256 310 320 372 384 449 465 480 496 512 620 640 744 768 898 930 960 961 992 1024 1240 1280 1347 1488 1536 1796 1860 1920 1922 1984 2048 2245 2480 2560 2694 2883 2976 3072 3592 3720 3840 3844 3968 4096 4490 4805 4960 5120 5388 5766 5952 6144 6735 7184 7440 7680 7688 7936 8192 8980 9610 9920 10240 10776 11532 11904 12288 13470 13919 14368 14415 14880 15360 15376 15872 16384 17960 19220 19840 20480 21552 23064 23808 24576 26940 27838 28736 28830 29760 30720 30752 31744 35920 38440 39680 40960 41757 43104 46128 47616 49152 53880 55676 57472 57660 59520 61440 61504 63488 69595 71840 76880 79360 81920 83514 86208 92256 95232 107760 111352 114944 115320 119040 122880 123008 126976 139190 143680 153760 158720 167028 172416 184512 190464 201601 208785 215520 222704 229888 230640 238080 245760 246016 253952 278380 287360 307520 317440 334056 344832 369024 380928 403202 417570 431040 431489 445408 459776 461280 476160 492032 507904 556760 574720 604803 615040 634880 668112 689664 738048 761856 806404 835140 862080 862978 890816 919552 922560 952320 984064 1008005 1113520 1149440 1209606 1230080 1269760 1294467 1336224 1379328 1476096 1523712 1612808 1670280 1724160 1725956 1781632 1839104 1845120 1904640 1968128 2016010 2157445 2227040 2298880 2419212 2460160 2539520 2588934 2672448 2758656 2952192 3024015 3225616 3340560 3448320 3451912 3563264 3678208 3690240 3809280 3936256 4032020 4314890 4454080 4597760 4838424 4920320 5177868 5344896 5517312 5904384 6048030 6249631 6451232 6472335 6681120 6896640 6903824 7126528 7356416 7380480 7618560 7872512 8064040 8629780 8908160 9195520 9676848 9840640 10355736 10689792 11034624 11808768 12096060 12499262 12902464 12944670 13362240 13793280 13807648 14253056 14760960 15745024 16128080 17259560 17816320 18391040 18748893 19353696 19681280 20711472 21379584 22069248 23617536 24192120 24998524 25804928 25889340 26724480 27586560 27615296 28506112 29521920 31248155 32256160 34519120 35632640 36782080 37497786 38707392 39362560 41422944 42759168 47235072 48384240 49997048 51609856 51778680 53448960 55173120 55230592 57012224 59043840 62496310 64512320 69038240 71265280 74995572 77414784 78725120 82845888 85518336 90518849 93744465 96768480 99994096 103219712 103557360 106897920 110346240 110461184 114024448 118087680 124992620 129024640 138076480 142530560 149991144 154829568 165691776 171036672 181037698 187488930 193536960 193738561 199988192 206439424 207114720 213795840 220922368 228048896 236175360 249985240 258049280 271556547 276152960 285061120 299982288 309659136 331383552 342073344 362075396 374977860 387073920 387477122 399976384 412878848 414229440 427591680 441844736 452594245 499970480 516098560 543113094 552305920 570122240 581215683 599964576 619318272 662767104 684146688 724150792 749955720 774147840 774954244 799952768 825757696 828458880 855183360 883689472 905188490 968692805 999940960 1032197120 1086226188 1104611840 1140244480 1162431366 1199929152 1238636544 1325534208 1357782735 1448301584 1499911440 1548295680 1549908488 1599905536 1651515392 1656917760 1710366720 1767378944 1810376980 1937385610 1999881920 2064394240 2172452376 2209223680 2324862732 2399858304 2477273088 2651068416 2715565470 2806084319 2896603168 2906078415 2999822880 3096591360 3099816976 3199811072 3303030784 3313835520 3420733440 3534757888 3620753960 3874771220 3999763840 4128788480 4344904752 4418447360 4649725464 4799716608 4954546176 5302136832 5431130940 5612168638 5793206336 5812156830 5999645760 6193182720 6199633952 6399622144 6627671040 7069515776 7241507920 7749542440 7999527680 8257576960 8418252957 8689809504 8836894720 9299450928 9599433216 9909092352 10604273664 10862261880 11224337276 11586412672 11624313660 11999291520 12386365440 12399267904 12799244288 13255342080 14030421595 14483015840 15499084880 15999055360 16515153920 16836505914 17379619008 17673789440 18598901856 19198866432 21208547328 21724523760 22448674552 23172825344 23248627320 23998583040 24772730880 24798535808 25598488576 26510684160 28060843190 28966031680 30998169760 31998110720 33673011828 34759238016 35347578880 37197803712 38397732864 42091264785 43449047520 44897349104 46345650688 46497254640 47997166080 49545461760 49597071616 51196977152 53021368320 56121686380 57932063360 61996339520 63996221440 67346023656 69518476032 74395607424 76795465728 84182529570 86898095040 86988613889 89794698208 92691301376 92994509280 95994332160 99194143232 102393954304 106042736640 112243372760 115864126720 123992679040 127992442880 134692047312 139036952064 148791214848 153590931456 168365059140 173796190080 173977227778 179589396416 185382602752 185989018560 191988664320 198388286464 224486745520 231728253440 247985358080 255984885760 260965841667 269384094624 278073904128 297582429696 307181862912 336730118280 347592380160 347954455556 359178792832 370765205504 371978037120 383977328640 396776572928 434943069445 448973491040 463456506880 495970716160 511969771520 521931683334 538768189248 556147808256 595164859392 673460236560 695184760320 695908911112 718357585664 741530411008 743956074240 767954657280 793553145856 869886138890 897946982080 926913013760 991941432320 1043863366668 1077536378496 1112295616512 1190329718784 1304829208335 1346920473120 1390369520640 1391817822224 1436715171328 1483060822016 1487912148480 1535909314560 1587106291712 1739772277780 1795893964160 1853826027520 1983882864640 2087726733336 2155072756992 2224591233024 2380659437568 2609658416670 2693840946240 2780739041280 2783635644448 2873430342656 2975824296960 3174212583424 3479544555560 3591787928320 3707652055040 3967765729280 4175453466672 4310145513984 4449182466048 4761318875136 5219316833340 5387681892480 5561478082560 5567271288896 5746860685312 5951648593920 6959089111120 7183575856640 7415304110080 7935531458560 8350906933344 8620291027968 9522637750272 10438633666680 10775363784960 11122956165120 11134542577792 11493721370624 11903297187840 13918178222240 14367151713280 15871062917120 16701813866688 17240582055936 20877267333360 21550727569920 22245912330240 22269085155584 22987442741248 23806594375680 27836356444480 28734303426560 33403627733376 34481164111872 41754534666720 43101455139840 44538170311168 45974885482496 47613188751360 55672712888960 57468606853120 66807255466752 68962328223744 83509069333440 86202910279680 89076340622336 111345425777920 114937213706240 133614510933504 137924656447488 167018138666880 172405820559360 178152681244672 222690851555840 229874427412480 267229021867008 334036277333760 344811641118720 356305362489344 445381703111680 534458043734016 668072554667520 689623282237440 712610724978688 890763406223360 1068916087468032 1336145109335040 1425221449957376 1781526812446720 2137832174936064 2672290218670080 3563053624893440 4275664349872128 5344580437340160 7126107249786880 10689160874680320 21378321749360640
- Sum of all divisors σ(n): 70844236036509600
- Sum of proper divisors (its aliquot sum) s(n): 49465914287148960
- 21378321749360640 is an abundant number, because the sum of its proper divisors (49465914287148960) is greater than itself. Its abundance is 28087592537788320
Bases of 21378321749360640
- Binary: 10010111111001101111000011010011100001111000000000000002
- Hexadecimal: 0x4BF37869C3C000
- Base-36: 5UHZDFHNPXC
Squares and roots of 21378321749360640
- 21378321749360640 squared (213783217493606402) is 457032640819186174912248781209600
- 21378321749360640 cubed (213783217493606403) is 9770590845392537231191677587952287608045830144000
-
The
square root of 21378321749360640 is 146213274.8739342067 -
The
cube root of 21378321749360640 is 277539.3305154425
Scales and comparisons
How big is 21378321749360640?- 21,378,321,749,360,640 seconds is equal to 679,764,504 years, 7 weeks, 1 day, 11 hours, 44 minutes.
-
To count from 1 to 21,378,321,749,360,640 would take you about two billion, thirty-nine million, two hundred ninety-three thousand, five hundred twelve 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 21378321749360640 cubic inches would be around 23128.3 feet tall.
Recreational maths with 21378321749360640
- 21378321749360640 backwards is 04606394712387312
- The number of decimal digits it has is: 17
- The sum of 21378321749360640's digits is 66
- More coming soon!
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The information we have on file for 21378321749360640 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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