21438149841920
21,438,149,841,920 is an even composite number composed of five prime numbers multiplied together.
21438149841920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of five hundred twenty-eight divisors.
Prime factorization of 21438149841920:
210 × 5 × 72 × 173 × 17393
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 17 × 17 × 17 × 17393)See below for interesting mathematical facts about the number 21438149841920 from the Numbermatics database.
Names of 21438149841920
- Cardinal: 21438149841920 can be written as Twenty-one trillion, four hundred thirty-eight billion, one hundred forty-nine million, eight hundred forty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.143814984192 × 1013
Factors of 21438149841920
Divisors of 21438149841920
- Number of divisors d(n): 528
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 49 56 64 68 70 80 85 98 112 119 128 136 140 160 170 196 224 238 245 256 272 280 289 320 340 392 448 476 490 512 544 560 578 595 640 680 784 833 896 952 980 1024 1088 1120 1156 1190 1280 1360 1445 1568 1666 1792 1904 1960 2023 2176 2240 2312 2380 2560 2720 2890 3136 3332 3584 3808 3920 4046 4165 4352 4480 4624 4760 4913 5120 5440 5780 6272 6664 7168 7616 7840 8092 8330 8704 8960 9248 9520 9826 10115 10880 11560 12544 13328 14161 15232 15680 16184 16660 17393 17408 17920 18496 19040 19652 20230 21760 23120 24565 25088 26656 28322 30464 31360 32368 33320 34391 34786 35840 36992 38080 39304 40460 43520 46240 49130 50176 53312 56644 60928 62720 64736 66640 68782 69572 70805 73984 76160 78608 80920 86965 87040 92480 98260 106624 113288 121751 121856 125440 129472 133280 137564 139144 141610 147968 152320 157216 161840 171955 173930 184960 196520 213248 226576 240737 243502 250880 258944 266560 275128 278288 283220 295681 295936 304640 314432 323680 343910 347860 369920 393040 426496 453152 481474 487004 517888 533120 550256 556576 566440 591362 608755 609280 628864 647360 687820 695720 739840 786080 852257 852992 906304 962948 974008 1035776 1066240 1100512 1113152 1132880 1182724 1203685 1217510 1257728 1294720 1375640 1391440 1478405 1479680 1572160 1704514 1812608 1925896 1948016 2069767 2071552 2132480 2201024 2226304 2265760 2365448 2407370 2435020 2515456 2589440 2751280 2782880 2956810 3144320 3409028 3625216 3851792 3896032 4139534 4261285 4264960 4402048 4452608 4531520 4730896 4814740 4870040 5026577 5030912 5178880 5502560 5565760 5913620 6288640 6818056 7250432 7703584 7792064 8279068 8522570 8804096 8905216 9063040 9461792 9629480 9740080 10053154 10348835 10357760 11005120 11131520 11827240 12577280 13636112 14488369 14500864 15407168 15584128 16558136 17045140 17608192 17810432 18126080 18923584 19258960 19480160 20106308 20697670 22010240 22263040 23654480 25132885 25154560 27272224 28976738 30814336 31168256 33116272 34090280 35186039 35216384 36252160 37847168 38517920 38960320 40212616 41395340 44020480 44526080 47308960 50265770 54544448 57953476 61628672 62336512 66232544 68180560 70372078 72441845 72504320 75694336 77035840 77920640 80425232 82790680 85451809 88040960 89052160 94617920 100531540 109088896 115906952 123257344 124673024 132465088 136361120 140744156 144883690 151388672 154071680 155841280 160850464 165581360 170903618 175930195 176081920 189235840 201063080 218177792 231813904 246302273 246514688 264930176 272722240 281488312 289767380 302777344 308143360 311682560 321700928 331162720 341807236 351860390 378471680 402126160 427259045 436355584 463627808 492604546 529860352 545444480 562976624 579534760 598162663 616286720 623365120 643401856 662325440 683614472 703720780 756943360 804252320 854518090 872711168 927255616 985209092 1059720704 1090888960 1125953248 1159069520 1196325326 1231511365 1232573440 1286803712 1324650880 1367228944 1407441560 1513886720 1608504640 1709036180 1854511232 1970418184 2119441408 2181777920 2251906496 2318139040 2392650652 2463022730 2573607424 2649301760 2734457888 2814883120 2990813315 3217009280 3418072360 3709022464 3940836368 4187138641 4363555840 4503812992 4636278080 4785301304 4926045460 5147214848 5298603520 5468915776 5629766240 5981626630 6434018560 6836144720 7418044928 7881672736 8374277282 9007625984 9272556160 9570602608 9852090920 10597207040 10937831552 11259532480 11963253260 12868037120 13672289440 14836089856 15763345472 16748554564 18015251968 18545112320 19141205216 19704181840 20935693205 21875663104 22519064960 23926506520 25736074240 27344578880 31526690944 33497109128 36030503936 37090224640 38282410432 39408363680 41871386410 43751326208 45038129920 47853013040 54689157760 63053381888 66994218256 74180449280 76564820864 78816727360 83742772820 87502652416 90076259840 95706026080 109378315520 126106763776 133988436512 153129641728 157633454720 167485545640 180152519680 191412052160 218756631040 252213527552 267976873024 306259283456 315266909440 334971091280 382824104320 437513262080 535953746048 612518566912 630533818880 669942182560 765648208640 1071907492096 1261067637760 1339884365120 1531296417280 2143814984192 2679768730240 3062592834560 4287629968384 5359537460480 10719074920960 21438149841920
- Sum of all divisors σ(n): 63564394954320
- Sum of proper divisors (its aliquot sum) s(n): 42126245112400
- 21438149841920 is an abundant number, because the sum of its proper divisors (42126245112400) is greater than itself. Its abundance is 20688095270480
Bases of 21438149841920
- Binary: 1001101111111011101010100111001010100000000002
- Hexadecimal: 0x137F754E5400
- Base-36: 7LKJSWDFK
Squares and roots of 21438149841920
- 21438149841920 squared (214381498419202) is 459594268644614520989286400
- 21438149841920 cubed (214381498419203) is 9852850797690880805805806758173605888000
-
The
square root of 21438149841920 is 4630134.9701623169 -
The
cube root of 21438149841920 is 27779.7991031371
Scales and comparisons
How big is 21438149841920?- 21,438,149,841,920 seconds is equal to 681,666 years, 44 weeks, 2 days, 6 hours, 45 minutes, 20 seconds.
-
To count from 1 to 21,438,149,841,920 would take you about one million, seven hundred four thousand, one hundred sixty-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 21438149841920 cubic inches would be around 2315 feet tall.
Recreational maths with 21438149841920
- 21438149841920 backwards is 02914894183412
- 21438149841920 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21438149841920's digits is 56
- More coming soon!
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The information we have on file for 21438149841920 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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