21538742400
21,538,742,400 is an even composite number composed of five prime numbers multiplied together.
21538742400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 21538742400:
27 × 36 × 52 × 7 × 1319
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 1319)See below for interesting mathematical facts about the number 21538742400 from the Numbermatics database.
Names of 21538742400
- Cardinal: 21538742400 can be written as Twenty-one billion, five hundred thirty-eight million, seven hundred forty-two thousand, four hundred.
Scientific notation
- Scientific notation: 2.15387424 × 1010
Factors of 21538742400
Divisors of 21538742400
- Number of divisors d(n): 672
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 32 35 36 40 42 45 48 50 54 56 60 63 64 70 72 75 80 81 84 90 96 100 105 108 112 120 126 128 135 140 144 150 160 162 168 175 180 189 192 200 210 216 224 225 240 243 252 270 280 288 300 315 320 324 336 350 360 378 384 400 405 420 432 448 450 480 486 504 525 540 560 567 576 600 630 640 648 672 675 700 720 729 756 800 810 840 864 896 900 945 960 972 1008 1050 1080 1120 1134 1152 1200 1215 1260 1296 1319 1344 1350 1400 1440 1458 1512 1575 1600 1620 1680 1701 1728 1800 1890 1920 1944 2016 2025 2100 2160 2240 2268 2400 2430 2520 2592 2638 2688 2700 2800 2835 2880 2916 3024 3150 3200 3240 3360 3402 3456 3600 3645 3780 3888 3957 4032 4050 4200 4320 4480 4536 4725 4800 4860 5040 5103 5184 5276 5400 5600 5670 5760 5832 6048 6075 6300 6480 6595 6720 6804 7200 7290 7560 7776 7914 8064 8100 8400 8505 8640 9072 9233 9450 9600 9720 10080 10206 10368 10552 10800 11200 11340 11664 11871 12096 12150 12600 12960 13190 13440 13608 14175 14400 14580 15120 15552 15828 16200 16800 17010 17280 18144 18225 18466 18900 19440 19785 20160 20412 21104 21600 22400 22680 23328 23742 24192 24300 25200 25515 25920 26380 27216 27699 28350 28800 29160 30240 31104 31656 32400 32975 33600 34020 35613 36288 36450 36932 37800 38880 39570 40320 40824 42208 42525 43200 45360 46165 46656 47484 48600 50400 51030 51840 52760 54432 55398 56700 58320 59355 60480 63312 64800 65950 67200 68040 71226 72576 72900 73864 75600 77760 79140 81648 83097 84416 85050 86400 90720 92330 93312 94968 97200 98925 100800 102060 105520 106839 108864 110796 113400 116640 118710 120960 126624 127575 129600 131900 136080 138495 142452 145800 147728 151200 155520 158280 163296 166194 168832 170100 178065 181440 184660 189936 194400 197850 201600 204120 211040 213678 217728 221592 226800 230825 233280 237420 249291 253248 255150 259200 263800 272160 276990 284904 291600 295456 296775 302400 316560 320517 326592 332388 340200 356130 362880 369320 379872 388800 395700 408240 415485 422080 427356 443184 453600 461650 466560 474840 498582 506496 510300 527600 534195 544320 553980 569808 583200 590912 593550 604800 633120 641034 653184 664776 680400 692475 712260 738640 747873 759744 777600 791400 816480 830970 844160 854712 886368 890325 907200 923300 949680 961551 997164 1020600 1055200 1068390 1088640 1107960 1139616 1166400 1181824 1187100 1246455 1266240 1282068 1329552 1360800 1384950 1424520 1477280 1495746 1519488 1582800 1602585 1632960 1661940 1709424 1772736 1780650 1814400 1846600 1899360 1923102 1994328 2041200 2077425 2110400 2136780 2215920 2243619 2279232 2332800 2374200 2492910 2532480 2564136 2659104 2670975 2721600 2769900 2849040 2954560 2991492 3165600 3205170 3265920 3323880 3418848 3545472 3561300 3693200 3739365 3798720 3846204 3988656 4082400 4154850 4220800 4273560 4431840 4487238 4558464 4748400 4807755 4985820 5128272 5318208 5341950 5443200 5539800 5698080 5909120 5982984 6232275 6331200 6410340 6647760 6730857 6837696 7122600 7386400 7478730 7597440 7692408 7977312 8012925 8164800 8309700 8547120 8863680 8974476 9496800 9615510 9971640 10256544 10636416 10683900 11079600 11218095 11396160 11965968 12464550 12662400 12820680 13295520 13461714 13675392 14245200 14772800 14957460 15384816 15954624 16025850 16329600 16619400 17094240 17727360 17948952 18696825 18993600 19231020 19943280 20513088 21367800 22159200 22436190 22792320 23931936 24038775 24929100 25641360 26591040 26923428 28490400 29545600 29914920 30769632 31909248 32051700 33238800 33654285 34188480 35897904 37393650 37987200 38462040 39886560 41026176 42735600 44318400 44872380 47863872 48077550 49858200 51282720 53182080 53846856 56090475 56980800 59829840 61539264 64103400 66477600 67308570 68376960 71795808 74787300 76924080 79773120 85471200 88636800 89744760 95727744 96155100 99716400 102565440 107693712 112180950 113961600 119659680 123078528 128206800 132955200 134617140 143591616 149574600 153848160 159546240 168271425 170942400 179489520 192310200 199432800 205130880 215387424 224361900 239319360 256413600 265910400 269234280 287183232 299149200 307696320 336542850 341884800 358979040 384620400 398865600 430774848 448723800 478638720 512827200 538468560 598298400 615392640 673085700 717958080 769240800 797731200 861549696 897447600 1025654400 1076937120 1196596800 1346171400 1435916160 1538481600 1794895200 2153874240 2393193600 2692342800 3076963200 3589790400 4307748480 5384685600 7179580800 10769371200 21538742400
- Sum of all divisors σ(n): 91240142400
- Sum of proper divisors (its aliquot sum) s(n): 69701400000
- 21538742400 is an abundant number, because the sum of its proper divisors (69701400000) is greater than itself. Its abundance is 48162657600
Bases of 21538742400
- Binary: 101000000111100111100100000100000002
- Hexadecimal: 0x503CF2080
- Base-36: 9W7M000
Squares and roots of 21538742400
- 21538742400 squared (215387424002) is 463917424173557760000
- 21538742400 cubed (215387424003) is 9992197894145793484161024000000
-
The
square root of 21538742400 is 146760.8340123481 -
The
cube root of 21538742400 is 2782.3180982649
Scales and comparisons
How big is 21538742400?- 21,538,742,400 seconds is equal to 684 years, 45 weeks.
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To count from 1 to 21,538,742,400 would take you about one thousand, three hundred sixty-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 21538742400 cubic inches would be around 231.9 feet tall.
Recreational maths with 21538742400
- 21538742400 backwards is 00424783512
- 21538742400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21538742400's digits is 36
- More coming soon!
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The information we have on file for 21538742400 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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