21212006400
21,212,006,400 is an even composite number composed of five prime numbers multiplied together.
21212006400 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 21212006400:
211 × 32 × 52 × 13 × 3541
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 13 × 3541)See below for interesting mathematical facts about the number 21212006400 from the Numbermatics database.
Names of 21212006400
- Cardinal: 21212006400 can be written as Twenty-one billion, two hundred twelve million, six thousand, four hundred.
Scientific notation
- Scientific notation: 2.12120064 × 1010
Factors of 21212006400
Divisors of 21212006400
- Number of divisors d(n): 432
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 30 32 36 39 40 45 48 50 52 60 64 65 72 75 78 80 90 96 100 104 117 120 128 130 144 150 156 160 180 192 195 200 208 225 234 240 256 260 288 300 312 320 325 360 384 390 400 416 450 468 480 512 520 576 585 600 624 640 650 720 768 780 800 832 900 936 960 975 1024 1040 1152 1170 1200 1248 1280 1300 1440 1536 1560 1600 1664 1800 1872 1920 1950 2048 2080 2304 2340 2400 2496 2560 2600 2880 2925 3072 3120 3200 3328 3541 3600 3744 3840 3900 4160 4608 4680 4800 4992 5120 5200 5760 5850 6144 6240 6400 6656 7082 7200 7488 7680 7800 8320 9216 9360 9600 9984 10240 10400 10623 11520 11700 12480 12800 13312 14164 14400 14976 15360 15600 16640 17705 18432 18720 19200 19968 20800 21246 23040 23400 24960 25600 26624 28328 28800 29952 30720 31200 31869 33280 35410 37440 38400 39936 41600 42492 46033 46080 46800 49920 51200 53115 56656 57600 59904 62400 63738 66560 70820 74880 76800 79872 83200 84984 88525 92066 92160 93600 99840 106230 113312 115200 119808 124800 127476 133120 138099 141640 149760 153600 159345 166400 169968 177050 184132 187200 199680 212460 226624 230165 230400 239616 249600 254952 265575 276198 283280 299520 318690 332800 339936 354100 368264 374400 399360 414297 424920 453248 460330 460800 499200 509904 531150 552396 566560 599040 637380 665600 679872 690495 708200 736528 748800 796725 828594 849840 906496 920660 998400 1019808 1062300 1104792 1133120 1150825 1198080 1274760 1359744 1380990 1416400 1473056 1497600 1593450 1657188 1699680 1812992 1841320 1996800 2039616 2071485 2124600 2209584 2266240 2301650 2549520 2719488 2761980 2832800 2946112 2995200 3186900 3314376 3399360 3452475 3625984 3682640 4079232 4142970 4249200 4419168 4532480 4603300 5099040 5438976 5523960 5665600 5892224 5990400 6373800 6628752 6798720 6904950 7251968 7365280 8158464 8285940 8498400 8838336 9064960 9206600 10198080 10357425 10877952 11047920 11331200 11784448 12747600 13257504 13597440 13809900 14730560 16316928 16571880 16996800 17676672 18129920 18413200 20396160 20714850 21755904 22095840 22662400 23568896 25495200 26515008 27194880 27619800 29461120 32633856 33143760 33993600 35353344 36259840 36826400 40792320 41429700 44191680 45324800 47137792 50990400 53030016 54389760 55239600 58922240 65267712 66287520 67987200 70706688 73652800 81584640 82859400 88383360 90649600 94275584 101980800 106060032 108779520 110479200 117844480 132575040 135974400 141413376 147305600 163169280 165718800 176766720 181299200 203961600 212120064 220958400 235688960 265150080 271948800 282826752 294611200 326338560 331437600 353533440 407923200 424240128 441916800 471377920 530300160 543897600 589222400 662875200 707066880 815846400 848480256 883833600 1060600320 1178444800 1325750400 1414133760 1631692800 1767667200 2121200640 2356889600 2651500800 3535334400 4242401280 5303001600 7070668800 10606003200 21212006400
- Sum of all divisors σ(n): 81834332580
- Sum of proper divisors (its aliquot sum) s(n): 60622326180
- 21212006400 is an abundant number, because the sum of its proper divisors (60622326180) is greater than itself. Its abundance is 39410319780
Bases of 21212006400
- Binary: 100111100000101010110001000000000002
- Hexadecimal: 0x4F0558800
- Base-36: 9QT2WW0
Squares and roots of 21212006400
- 21212006400 squared (212120064002) is 449949215513640960000
- 21212006400 cubed (212120064003) is 9544325639150331330822144000000
-
The
square root of 21212006400 is 145643.4220965711 -
The
cube root of 21212006400 is 2768.1773862509
Scales and comparisons
How big is 21212006400?- 21,212,006,400 seconds is equal to 674 years, 24 weeks, 5 days, 8 hours.
-
To count from 1 to 21,212,006,400 would take you about one thousand, three hundred forty-eight 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 21212006400 cubic inches would be around 230.7 feet tall.
Recreational maths with 21212006400
- 21212006400 backwards is 00460021212
- 21212006400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21212006400's digits is 18
- More coming soon!
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The information we have on file for 21212006400 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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