21438224640
21,438,224,640 is an even composite number composed of six prime numbers multiplied together.
21438224640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of seven hundred twenty divisors.
Prime factorization of 21438224640:
28 × 34 × 5 × 7 × 109 × 271
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 109 × 271)See below for interesting mathematical facts about the number 21438224640 from the Numbermatics database.
Names of 21438224640
- Cardinal: 21438224640 can be written as Twenty-one billion, four hundred thirty-eight million, two hundred twenty-four thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.143822464 × 1010
Factors of 21438224640
Divisors of 21438224640
- Number of divisors d(n): 720
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 81 84 90 96 105 108 109 112 120 126 128 135 140 144 160 162 168 180 189 192 210 216 218 224 240 252 256 270 271 280 288 315 320 324 327 336 360 378 384 405 420 432 436 448 480 504 540 542 545 560 567 576 630 640 648 654 672 720 756 763 768 810 813 840 864 872 896 945 960 981 1008 1080 1084 1090 1120 1134 1152 1260 1280 1296 1308 1344 1355 1440 1512 1526 1620 1626 1635 1680 1728 1744 1792 1890 1897 1920 1962 2016 2160 2168 2180 2240 2268 2289 2304 2439 2520 2592 2616 2688 2710 2835 2880 2943 3024 3052 3240 3252 3270 3360 3456 3488 3780 3794 3815 3840 3924 4032 4065 4320 4336 4360 4480 4536 4578 4878 4905 5040 5184 5232 5376 5420 5670 5691 5760 5886 6048 6104 6480 6504 6540 6720 6867 6912 6976 7317 7560 7588 7630 7848 8064 8130 8640 8672 8720 8829 8960 9072 9156 9485 9756 9810 10080 10368 10464 10840 11340 11382 11445 11520 11772 12096 12195 12208 12960 13008 13080 13440 13734 13952 14634 14715 15120 15176 15260 15696 16128 16260 17073 17280 17344 17440 17658 18144 18312 18970 19512 19620 20160 20601 20736 20928 21680 21951 22680 22764 22890 23544 24192 24390 24416 25920 26016 26160 26880 27468 27904 28455 29268 29430 29539 30240 30352 30520 31392 32520 34146 34335 34560 34688 34880 35316 36288 36585 36624 37940 39024 39240 40320 41202 41856 43360 43902 44145 45360 45528 45780 47088 48384 48780 48832 51219 51840 52032 52320 54936 56910 58536 58860 59078 60480 60704 61040 61803 62784 65040 68292 68670 69376 69760 70632 72576 73170 73248 75880 78048 78480 80640 82404 83712 85365 86720 87804 88290 88617 90720 91056 91560 94176 97560 97664 102438 103005 103680 104064 104640 109755 109872 113820 117072 117720 118156 120960 121408 122080 123606 125568 130080 136584 137340 139520 141264 145152 146340 146496 147695 151760 153657 156096 156960 164808 170730 173440 175608 176580 177234 181440 182112 183120 188352 195120 195328 204876 206010 206773 208128 209280 219510 219744 227640 234144 235440 236312 241920 242816 244160 247212 251136 256095 260160 265851 273168 274680 282528 292680 292992 295390 303520 307314 309015 312192 313920 329616 341460 346880 351216 353160 354468 362880 364224 366240 376704 390240 409752 412020 413546 418560 439020 439488 443085 455280 468288 470880 472624 485632 488320 494424 512190 520320 531702 546336 549360 565056 585360 585984 590780 607040 614628 618030 620319 624384 627840 659232 682920 702432 706320 708936 725760 728448 732480 753408 768285 780480 797553 819504 824040 827092 878040 878976 886170 910560 936576 941760 945248 976640 988848 1024380 1033865 1040640 1063404 1092672 1098720 1130112 1170720 1181560 1214080 1229256 1236060 1240638 1255680 1318464 1329255 1365840 1404864 1412640 1417872 1456896 1464960 1536570 1560960 1595106 1639008 1648080 1654184 1756080 1757952 1772340 1821120 1860957 1873152 1883520 1890496 1977696 2048760 2067730 2126808 2185344 2197440 2260224 2341440 2363120 2392659 2428160 2458512 2472120 2481276 2636928 2658510 2731680 2809728 2825280 2835744 2929920 3073140 3101595 3121920 3190212 3278016 3296160 3308368 3512160 3544680 3642240 3721914 3767040 3780992 3955392 3987765 4097520 4135460 4253616 4370688 4394880 4682880 4726240 4785318 4917024 4944240 4962552 5273856 5317020 5463360 5582871 5619456 5650560 5671488 6146280 6203190 6380424 6556032 6592320 6616736 7024320 7089360 7284480 7443828 7561984 7910784 7975530 8195040 8270920 8507232 8789760 9304785 9365760 9452480 9570636 9834048 9888480 9925104 10634040 10926720 11165742 11301120 11342976 11963295 12292560 12406380 12760848 13112064 13184640 13233472 14048640 14178720 14887656 15821568 15951060 16390080 16541840 16748613 17014464 18609570 18904960 19141272 19668096 19776960 19850208 21268080 21853440 22331484 22685952 23926590 24585120 24812760 25521696 26369280 26466944 27914355 28097280 28357440 29775312 31902120 32780160 33083680 33497226 34028928 37219140 37809920 38282544 39336192 39553920 39700416 42536160 44662968 47853180 49170240 49625520 51043392 52933888 55828710 56714880 59550624 63804240 65560320 66167360 66994452 68057856 74438280 76565088 79107840 79400832 83743065 85072320 89325936 95706360 98340480 99251040 102086784 111657420 113429760 119101248 127608480 132334720 133988904 148876560 153130176 158801664 167486130 170144640 178651872 191412720 196680960 198502080 204173568 223314840 238202496 255216960 264669440 267977808 297753120 306260352 334972260 340289280 357303744 382825440 397004160 446629680 476404992 510433920 535955616 595506240 612520704 669944520 714607488 765650880 794008320 893259360 1020867840 1071911232 1191012480 1339889040 1429214976 1531301760 1786518720 2143822464 2382024960 2679778080 3062603520 3573037440 4287644928 5359556160 7146074880 10719112320 21438224640
- Sum of all divisors σ(n): 88799208960
- Sum of proper divisors (its aliquot sum) s(n): 67360984320
- 21438224640 is an abundant number, because the sum of its proper divisors (67360984320) is greater than itself. Its abundance is 45922759680
Bases of 21438224640
- Binary: 100111111011101000101011001000000002
- Hexadecimal: 0x4FDD15900
- Base-36: 9UJRK00
Squares and roots of 21438224640
- 21438224640 squared (214382246402) is 459597475715103129600
- 21438224640 cubed (214382246403) is 9852953928357325533131833344000
-
The
square root of 21438224640 is 146417.9792238645 -
The
cube root of 21438224640 is 2777.9831411169
Scales and comparisons
How big is 21438224640?- 21,438,224,640 seconds is equal to 681 years, 34 weeks, 5 days, 14 hours, 24 minutes.
-
To count from 1 to 21,438,224,640 would take you about one thousand, three hundred sixty-three 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 21438224640 cubic inches would be around 231.5 feet tall.
Recreational maths with 21438224640
- 21438224640 backwards is 04642283412
- 21438224640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21438224640's digits is 36
- More coming soon!
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"Number 21438224640 - Facts about the integer". Numbermatics.com. 2024. Web. 13 June 2024.
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Numbermatics. (2024). Number 21438224640 - Facts about the integer. Retrieved 13 June 2024, from https://numbermatics.com/n/21438224640/
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The information we have on file for 21438224640 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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