21241958400

Names of 21241958400

• Cardinal: 21241958400 can be written as Twenty-one billion, two hundred forty-one million, nine hundred fifty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.12419584 × 10¹⁰

Factors of 21241958400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 220

Divisors of 21241958400

• Number of divisors d(n): 780
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 27 30 32 36 39 40 45 48 50 52 54 60 64 65 72 75 78 80 81 90 96 100 104 108 117 120 128 130 135 144 150 156 160 162 180 192 195 197 200 208 216 225 234 240 256 260 270 288 300 312 320 324 325 351 360 384 390 394 400 405 416 432 450 468 480 512 520 540 576 585 591 600 624 640 648 650 675 702 720 768 780 788 800 810 832 864 900 936 960 975 985 1024 1040 1053 1080 1152 1170 1182 1200 1248 1280 1296 1300 1350 1404 1440 1536 1560 1576 1600 1620 1664 1728 1755 1773 1800 1872 1920 1950 1970 2025 2048 2080 2106 2160 2304 2340 2364 2400 2496 2560 2561 2592 2600 2700 2808 2880 2925 2955 3072 3120 3152 3200 3240 3328 3456 3510 3546 3600 3744 3840 3900 3940 4050 4096 4160 4212 4320 4608 4680 4728 4800 4925 4992 5120 5122 5184 5200 5265 5319 5400 5616 5760 5850 5910 6144 6240 6304 6400 6480 6656 6912 7020 7092 7200 7488 7680 7683 7800 7880 8100 8320 8424 8640 8775 8865 9216 9360 9456 9600 9850 9984 10240 10244 10368 10400 10530 10638 10800 11232 11520 11700 11820 12288 12480 12608 12800 12805 12960 13312 13824 14040 14184 14400 14775 14976 15360 15366 15600 15760 15957 16200 16640 16848 17280 17550 17730 18432 18720 18912 19200 19700 19968 20480 20488 20736 20800 21060 21276 21600 22464 23040 23049 23400 23640 24960 25216 25600 25610 25920 26325 26595 26624 27648 28080 28368 28800 29550 29952 30720 30732 31200 31520 31914 32400 33280 33696 34560 35100 35460 36864 37440 37824 38400 38415 39400 39936 40976 41472 41600 42120 42552 43200 44325 44928 46080 46098 46800 47280 49920 50432 51200 51220 51840 52650 53190 53248 55296 56160 56736 57600 59100 59904 61440 61464 62400 63040 63828 64025 64800 66560 67392 69120 69147 70200 70920 74880 75648 76800 76830 78800 79785 79872 81952 82944 83200 84240 85104 86400 88650 89856 92160 92196 93600 94560 99840 100864 102400 102440 103680 105300 106380 110592 112320 113472 115200 115245 118200 119808 122928 124800 126080 127656 128050 129600 132975 133120 134784 138240 138294 140400 141840 149760 151296 153600 153660 157600 159570 159744 163904 165888 166400 168480 170208 172800 177300 179712 184320 184392 187200 189120 192075 199680 201728 204880 207360 207441 210600 212760 224640 226944 230400 230490 236400 239616 245856 249600 252160 255312 256100 259200 265950 266240 269568 276480 276588 280800 283680 299520 302592 307200 307320 315200 319140 327808 331776 332800 336960 340416 345600 345735 354600 359424 368784 374400 378240 384150 398925 399360 403456 409760 414720 414882 421200 425520 449280 453888 460800 460980 472800 479232 491712 499200 504320 510624 512200 518400 531900 539136 552960 553176 561600 567360 576225 599040 605184 614640 630400 638280 655616 665600 673920 680832 691200 691470 709200 718848 737568 748800 756480 768300 797850 798720 806912 819520 829440 829764 842400 851040 898560 907776 921600 921960 945600 983424 998400 1008640 1021248 1024400 1036800 1037205 1063800 1078272 1106352 1123200 1134720 1152450 1198080 1210368 1229280 1260800 1276560 1311232 1331200 1347840 1361664 1382400 1382940 1418400 1437696 1475136 1497600 1512960 1536600 1595700 1639040 1658880 1659528 1684800 1702080 1728675 1797120 1815552 1843920 1891200 1966848 1996800 2017280 2042496 2048800 2073600 2074410 2127600 2156544 2212704 2246400 2269440 2304900 2396160 2420736 2458560 2521600 2553120 2622464 2695680 2723328 2764800 2765880 2836800 2950272 2995200 3025920 3073200 3191400 3278080 3319056 3369600 3404160 3457350 3594240 3631104 3687840 3782400 3933696 3993600 4034560 4084992 4097600 4147200 4148820 4255200 4313088 4425408 4492800 4538880 4609800 4917120 5043200 5106240 5186025 5244928 5391360 5446656 5531760 5673600 5900544 5990400 6051840 6146400 6382800 6556160 6638112 6739200 6808320 6914700 7188480 7262208 7375680 7564800 7867392 8169984 8195200 8294400 8297640 8510400 8850816 8985600 9077760 9219600 9834240 10086400 10212480 10372050 10489856 10782720 10893312 11063520 11347200 11801088 11980800 12103680 12292800 12765600 13112320 13276224 13478400 13616640 13829400 14751360 15129600 15734784 16339968 16390400 16595280 17020800 17701632 17971200 18155520 18439200 19668480 20172800 20424960 20744100 21565440 21786624 22127040 22694400 23602176 24585600 25531200 26224640 26552448 26956800 27233280 27658800 29502720 30259200 31469568 32679936 32780800 33190560 34041600 35403264 35942400 36311040 36878400 39336960 40849920 41488200 44254080 45388800 47204352 49171200 51062400 52449280 53104896 53913600 54466560 55317600 59005440 60518400 65359872 65561600 66381120 68083200 70806528 73756800 78673920 81699840 82976400 88508160 90777600 94408704 98342400 102124800 106209792 107827200 108933120 110635200 118010880 131123200 132762240 136166400 141613056 147513600 157347840 163399680 165952800 177016320 181555200 196684800 204249600 212419584 221270400 236021760 262246400 265524480 272332800 283226112 295027200 326799360 331905600 354032640 393369600 408499200 424839168 442540800 472043520 531048960 544665600 590054400 663811200 708065280 786739200 816998400 849678336 885081600 1062097920 1180108800 1327622400 1416130560 1633996800 1770163200 2124195840 2360217600 2655244800 3540326400 4248391680 5310489600 7080652800 10620979200 21241958400
• Sum of all divisors σ(n): 85168150452
• Sum of proper divisors (its aliquot sum) s(n): 63926192052
• 21241958400 is an abundant number, because the sum of its proper divisors (63926192052) is greater than itself. Its abundance is 42684233652

Bases of 21241958400

• Binary: 10011110010000111101001000000000000₂
• Hexadecimal: 0x4F21E9000
• Base-36: 9RAWW00

Squares and roots of 21241958400

• 21241958400 squared (21241958400²) is 451220796667330560000
• 21241958400 cubed (21241958400³) is 9584813392022294394568704000000
• The square root of 21241958400 is 145746.2123006977
• The cube root of 21241958400 is 2769.4796904447

Scales and comparisons

• 21,241,958,400 seconds is equal to 675 years, 22 weeks, 2 days.
• To count from 1 to 21,241,958,400 would take you about one thousand, three hundred fifty 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 21241958400 cubic inches would be around 230.8 feet tall.

Recreational maths with 21241958400

• 21241958400 backwards is 00485914212
• 21241958400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21241958400's digits is 36
• More coming soon!