20428646400
20,428,646,400 is an even composite number composed of five prime numbers multiplied together.
20428646400 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 20428646400:
211 × 32 × 52 × 43 × 1031
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 43 × 1031)See below for interesting mathematical facts about the number 20428646400 from the Numbermatics database.
Names of 20428646400
- Cardinal: 20428646400 can be written as Twenty billion, four hundred twenty-eight million, six hundred forty-six thousand, four hundred.
Scientific notation
- Scientific notation: 2.04286464 × 1010
Factors of 20428646400
Divisors of 20428646400
- 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 25 30 32 36 40 43 45 48 50 60 64 72 75 80 86 90 96 100 120 128 129 144 150 160 172 180 192 200 215 225 240 256 258 288 300 320 344 360 384 387 400 430 450 480 512 516 576 600 640 645 688 720 768 774 800 860 900 960 1024 1031 1032 1075 1152 1200 1280 1290 1376 1440 1536 1548 1600 1720 1800 1920 1935 2048 2062 2064 2150 2304 2400 2560 2580 2752 2880 3072 3093 3096 3200 3225 3440 3600 3840 3870 4124 4128 4300 4608 4800 5120 5155 5160 5504 5760 6144 6186 6192 6400 6450 6880 7200 7680 7740 8248 8256 8600 9216 9279 9600 9675 10240 10310 10320 11008 11520 12372 12384 12800 12900 13760 14400 15360 15465 15480 16496 16512 17200 18432 18558 19200 19350 20620 20640 22016 23040 24744 24768 25600 25775 25800 27520 28800 30720 30930 30960 32992 33024 34400 37116 38400 38700 41240 41280 44032 44333 46080 46395 49488 49536 51200 51550 51600 55040 57600 61860 61920 65984 66048 68800 74232 76800 77325 77400 82480 82560 88064 88666 92160 92790 98976 99072 103100 103200 110080 115200 123720 123840 131968 132096 132999 137600 148464 153600 154650 154800 164960 165120 177332 185580 197952 198144 206200 206400 220160 221665 230400 231975 247440 247680 263936 264192 265998 275200 296928 309300 309600 329920 330240 354664 371160 395904 396288 398997 412400 412800 440320 443330 460800 463950 494880 495360 527872 531996 550400 593856 618600 619200 659840 660480 664995 709328 742320 791808 792576 797994 824800 825600 886660 927900 989760 990720 1055744 1063992 1100800 1108325 1187712 1237200 1238400 1319680 1320960 1329990 1418656 1484640 1583616 1595988 1649600 1651200 1773320 1855800 1979520 1981440 1994985 2111488 2127984 2201600 2216650 2375424 2474400 2476800 2639360 2659980 2837312 2969280 3167232 3191976 3299200 3302400 3324975 3546640 3711600 3959040 3962880 3989970 4255968 4433300 4750848 4948800 4953600 5278720 5319960 5674624 5938560 6334464 6383952 6598400 6604800 6649950 7093280 7423200 7918080 7979940 8511936 8866600 9501696 9897600 9907200 9974925 10557440 10639920 11349248 11877120 12767904 13196800 13299900 14186560 14846400 15836160 15959880 17023872 17733200 19003392 19795200 19814400 19949850 21279840 22698496 23754240 25535808 26393600 26599800 28373120 29692800 31672320 31919760 34047744 35466400 39590400 39899700 42559680 45396992 47508480 51071616 52787200 53199600 56746240 59385600 63839520 68095488 70932800 79180800 79799400 85119360 90793984 95016960 102143232 106399200 113492480 118771200 127679040 136190976 141865600 158361600 159598800 170238720 204286464 212798400 226984960 237542400 255358080 272381952 283731200 319197600 340477440 408572928 425596800 453969920 475084800 510716160 567462400 638395200 680954880 817145856 851193600 1021432320 1134924800 1276790400 1361909760 1702387200 2042864640 2269849600 2553580800 3404774400 4085729280 5107161600 6809548800 10214323200 20428646400
- Sum of all divisors σ(n): 74936141280
- Sum of proper divisors (its aliquot sum) s(n): 54507494880
- 20428646400 is an abundant number, because the sum of its proper divisors (54507494880) is greater than itself. Its abundance is 34078848480
Bases of 20428646400
- Binary: 100110000011010010001101000000000002
- Hexadecimal: 0x4C1A46800
- Base-36: 9DUOSG0
Squares and roots of 20428646400
- 20428646400 squared (204286464002) is 417329593736232960000
- 20428646400 cubed (204286464003) is 8525478702693158007865344000000
-
The
square root of 20428646400 is 142928.8158490093 -
The
cube root of 20428646400 is 2733.6727927929
Scales and comparisons
How big is 20428646400?- 20,428,646,400 seconds is equal to 649 years, 29 weeks, 3 days, 16 hours.
-
To count from 1 to 20,428,646,400 would take you about one thousand, two hundred ninety-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 20428646400 cubic inches would be around 227.8 feet tall.
Recreational maths with 20428646400
- 20428646400 backwards is 00464682402
- 20428646400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20428646400's digits is 36
- More coming soon!
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