12420138240
12,420,138,240 is an even composite number composed of five prime numbers multiplied together.
12420138240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 12420138240:
28 × 35 × 5 × 73 × 547
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 73 × 547)See below for interesting mathematical facts about the number 12420138240 from the Numbermatics database.
Names of 12420138240
- Cardinal: 12420138240 can be written as Twelve billion, four hundred twenty million, one hundred thirty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.242013824 × 1010
Factors of 12420138240
Divisors of 12420138240
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 73 80 81 90 96 108 120 128 135 144 146 160 162 180 192 216 219 240 243 256 270 288 292 320 324 360 365 384 405 432 438 480 486 540 547 576 584 640 648 657 720 730 768 810 864 876 960 972 1080 1094 1095 1152 1168 1215 1280 1296 1314 1440 1460 1620 1641 1728 1752 1920 1944 1971 2160 2188 2190 2304 2336 2430 2592 2628 2735 2880 2920 3240 3282 3285 3456 3504 3840 3888 3942 4320 4376 4380 4672 4860 4923 5184 5256 5470 5760 5840 5913 6480 6564 6570 6912 7008 7776 7884 8205 8640 8752 8760 9344 9720 9846 9855 10368 10512 10940 11520 11680 11826 12960 13128 13140 14016 14769 15552 15768 16410 17280 17504 17520 17739 18688 19440 19692 19710 20736 21024 21880 23360 23652 24615 25920 26256 26280 28032 29538 29565 31104 31536 32820 34560 35008 35040 35478 38880 39384 39420 39931 42048 43760 44307 46720 47304 49230 51840 52512 52560 56064 59076 59130 62208 63072 65640 70016 70080 70956 73845 77760 78768 78840 79862 84096 87520 88614 88695 93440 94608 98460 103680 105024 105120 118152 118260 119793 126144 131280 132921 140032 140160 141912 147690 155520 157536 157680 159724 168192 175040 177228 177390 189216 196920 199655 210048 210240 221535 236304 236520 239586 252288 262560 265842 280320 283824 295380 311040 315072 315360 319448 350080 354456 354780 359379 378432 393840 399310 420096 420480 443070 472608 473040 479172 504576 525120 531684 567648 590760 598965 630144 630720 638896 664605 700160 708912 709560 718758 756864 787680 798620 840960 886140 945216 946080 958344 1050240 1063368 1078137 1135296 1181520 1197930 1260288 1261440 1277792 1329210 1417824 1419120 1437516 1513728 1575360 1597240 1772280 1796895 1890432 1892160 1916688 2100480 2126736 2156274 2270592 2363040 2395860 2522880 2555584 2658420 2835648 2838240 2875032 3150720 3194480 3234411 3544560 3593790 3780864 3784320 3833376 4253472 4312548 4541184 4726080 4791720 5111168 5316840 5390685 5671296 5676480 5750064 6301440 6388960 6468822 7089120 7187580 7568640 7666752 8506944 8625096 9452160 9583440 9703233 10222336 10633680 10781370 11342592 11352960 11500128 12777920 12937644 14178240 14375160 15333504 16172055 17013888 17250192 18904320 19166880 19406466 21267360 21562740 22705920 23000256 25555840 25875288 28356480 28750320 30667008 32344110 34027776 34500384 38333760 38812932 42534720 43125480 46000512 48516165 51111680 51750576 56712960 57500640 64688220 69000768 76667520 77625864 85069440 86250960 92001024 97032330 103501152 115001280 129376440 138001536 153335040 155251728 170138880 172501920 194064660 207002304 230002560 258752880 276003072 310503456 345003840 388129320 414004608 460005120 517505760 621006912 690007680 776258640 828009216 1035011520 1242013824 1380015360 1552517280 2070023040 2484027648 3105034560 4140046080 6210069120 12420138240
- Sum of all divisors σ(n): 45257005248
- Sum of proper divisors (its aliquot sum) s(n): 32836867008
- 12420138240 is an abundant number, because the sum of its proper divisors (32836867008) is greater than itself. Its abundance is 20416728768
Bases of 12420138240
- Binary: 10111001000100110001000101000000002
- Hexadecimal: 0x2E44C4500
- Base-36: 5PEMO00
Squares and roots of 12420138240
- 12420138240 squared (124201382402) is 154259833900710297600
- 12420138240 cubed (124201382403) is 1915928461926260330383540224000
-
The
square root of 12420138240 is 111445.6739402657 -
The
cube root of 12420138240 is 2315.8413808519
Scales and comparisons
How big is 12420138240?- 12,420,138,240 seconds is equal to 394 years, 47 weeks, 6 days, 14 hours, 24 minutes.
-
To count from 1 to 12,420,138,240 would take you about seven hundred eighty-nine 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 12420138240 cubic inches would be around 193 feet tall.
Recreational maths with 12420138240
- 12420138240 backwards is 04283102421
- 12420138240 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12420138240's digits is 27
- More coming soon!
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The information we have on file for 12420138240 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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