21149251200

Names of 21149251200

• Cardinal: 21149251200 can be written as Twenty-one billion, one hundred forty-nine million, two hundred fifty-one thousand, two hundred.

Scientific notation

• Scientific notation: 2.11492512 × 10¹⁰

Factors of 21149251200

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 45

Divisors of 21149251200

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 17 18 20 21 22 24 25 27 28 30 32 33 34 35 36 40 42 44 45 48 50 51 54 55 56 60 63 64 66 68 70 72 75 77 80 84 85 88 90 96 99 100 102 105 108 110 112 119 120 121 126 128 132 135 136 140 144 150 153 154 160 165 168 170 175 176 180 187 189 192 198 200 204 210 216 220 224 225 231 238 240 242 252 255 264 270 272 275 280 288 289 297 300 306 308 315 320 330 336 340 350 352 357 360 363 374 378 384 385 396 400 408 420 425 432 440 448 450 459 462 476 480 484 495 504 510 525 528 540 544 550 560 561 576 578 594 595 600 605 612 616 630 640 660 672 675 680 693 700 704 714 720 726 748 756 765 770 792 800 816 825 840 847 850 864 867 880 896 900 918 924 935 945 952 960 968 990 1008 1020 1050 1056 1071 1080 1088 1089 1100 1120 1122 1152 1155 1156 1188 1190 1200 1210 1224 1232 1260 1275 1309 1320 1344 1350 1360 1386 1400 1408 1428 1440 1445 1452 1485 1496 1512 1530 1540 1575 1584 1600 1632 1650 1680 1683 1694 1700 1728 1734 1760 1785 1800 1815 1836 1848 1870 1890 1904 1920 1925 1936 1980 2016 2023 2040 2057 2079 2100 2112 2142 2160 2176 2178 2200 2240 2244 2295 2310 2312 2376 2380 2400 2420 2448 2464 2475 2520 2541 2550 2601 2618 2640 2688 2700 2720 2772 2800 2805 2856 2880 2890 2904 2970 2975 2992 3024 3025 3060 3080 3150 3168 3179 3200 3213 3264 3267 3300 3360 3366 3388 3400 3456 3465 3468 3520 3570 3600 3630 3672 3696 3740 3780 3808 3825 3850 3872 3927 3960 4032 4046 4080 4114 4158 4200 4224 4235 4284 4320 4335 4356 4400 4480 4488 4590 4620 4624 4675 4725 4752 4760 4800 4840 4896 4928 4950 5040 5049 5082 5100 5202 5236 5280 5355 5400 5440 5445 5544 5600 5610 5712 5760 5775 5780 5808 5940 5950 5984 6048 6050 6069 6120 6160 6171 6300 6336 6358 6426 6528 6534 6545 6600 6720 6732 6776 6800 6930 6936 7040 7140 7200 7225 7260 7344 7392 7425 7480 7560 7616 7623 7650 7700 7744 7803 7854 7920 8064 8092 8160 8228 8316 8400 8415 8470 8568 8640 8670 8712 8800 8925 8976 9075 9180 9240 9248 9350 9450 9504 9520 9537 9600 9680 9792 9856 9900 10080 10098 10115 10164 10200 10285 10395 10404 10472 10560 10710 10800 10880 10890 11088 11200 11220 11424 11475 11550 11560 11616 11781 11880 11900 11968 12096 12100 12138 12240 12320 12342 12600 12672 12705 12716 12852 13005 13068 13090 13200 13440 13464 13552 13600 13860 13872 14025 14280 14399 14400 14450 14520 14688 14784 14850 14960 15120 15232 15246 15300 15400 15488 15606 15708 15840 15895 16065 16184 16320 16335 16456 16632 16800 16830 16940 17136 17280 17325 17340 17424 17600 17850 17952 18150 18207 18360 18480 18496 18513 18700 18900 19008 19040 19074 19360 19584 19635 19800 20160 20196 20230 20328 20400 20570 20790 20808 20944 21120 21175 21420 21600 21675 21780 22176 22253 22400 22440 22848 22869 22950 23100 23120 23232 23562 23760 23800 23936 24192 24200 24276 24480 24640 24684 25200 25245 25410 25432 25704 26010 26136 26180 26400 26775 26928 27104 27200 27225 27720 27744 28050 28560 28611 28798 28800 28900 29040 29376 29568 29700 29920 30240 30345 30492 30600 30800 30855 31212 31416 31680 31790 32130 32368 32640 32670 32725 32912 33264 33600 33660 33880 34272 34650 34680 34848 34969 35200 35343 35700 35904 36300 36414 36720 36960 36992 37026 37400 37800 38016 38080 38115 38148 38720 39015 39270 39600 40320 40392 40460 40656 40800 41140 41580 41616 41888 42075 42350 42840 43197 43200 43350 43560 44352 44506 44880 45696 45738 45900 46200 46240 46464 47124 47520 47600 47685 48400 48552 48960 49280 49368 50400 50490 50575 50820 50864 51408 51425 51975 52020 52272 52360 52800 53550 53856 54208 54400 54450 54621 55440 55488 55539 56100 57120 57222 57596 57800 58080 58752 58905 59400 59840 60480 60690 60984 61200 61600 61710 62424 62832 63360 63525 63580 64260 64736 65025 65340 65450 65824 66528 66759 67200 67320 67760 68544 69300 69360 69696 69938 70686 71400 71808 71995 72600 72828 73440 73920 74052 74800 75600 76160 76230 76296 77440 78030 78540 79200 79475 80325 80784 80920 81312 81600 81675 82280 83160 83232 83776 84150 84700 85680 85833 86394 86400 86700 87120 88704 89012 89760 91035 91476 91800 92400 92480 92565 94248 95040 95200 95370 96800 97104 97920 98175 98736 100800 100980 101150 101640 101728 102816 102850 103950 104040 104544 104720 104907 105600 107100 107712 108416 108900 109242 110880 110976 111078 111265 112200 114240 114345 114444 115192 115600 116160 117810 118800 119680 120960 121380 121968 122400 123200 123420 124848 125664 126225 127050 127160 128520 129472 129591 130050 130680 130900 131648 133056 133518 134640 135520 137088 138600 138720 139392 139876 141372 142800 143055 143990 145200 145656 146880 147840 148104 149600 151200 151725 152460 152592 154275 156060 157080 158400 158950 160650 161568 161840 162624 163200 163350 164560 166320 166464 167552 168300 169400 171360 171666 172788 173400 174240 174845 176715 178024 179520 182070 182952 183600 184800 184960 185130 188496 190080 190400 190575 190740 193600 194208 195075 196350 197472 200277 201600 201960 202300 203280 203456 205632 205700 207900 208080 209088 209440 209814 214200 215424 215985 217800 218484 221760 222156 222530 224400 228480 228690 228888 230384 231200 232320 235620 237600 238425 242760 243936 244783 244800 246400 246840 249696 251328 252450 254100 254320 257040 258944 259182 260100 261360 261800 263296 266112 267036 269280 271040 273105 277200 277440 277695 279752 282744 285600 286110 287980 290400 291312 293760 294525 296208 299200 302400 303450 304920 305184 308550 312120 314160 314721 316800 317900 321300 323136 323680 325248 326700 329120 332640 332928 333795 336600 338800 342720 343332 345576 346800 348480 349690 353430 356048 359040 359975 364140 365904 367200 369600 370260 376992 380800 381150 381480 387200 388416 388773 390150 392700 394944 400554 403920 404600 406560 406912 411264 411400 415800 416160 418176 418880 419628 428400 429165 431970 435600 436968 443520 444312 445060 448800 455175 457380 457776 460768 462400 462825 471240 475200 476850 485520 487872 489566 489600 493680 499392 502656 504900 508200 508640 514080 518364 520200 522720 523600 524535 534072 538560 542080 546210 554400 554880 555390 556325 559504 565488 571200 571725 572220 575960 580800 582624 589050 592416 598400 600831 604800 606900 609840 610368 617100 624240 628320 629442 635800 642600 646272 647360 647955 653400 658240 665280 667590 673200 677600 685440 686664 691152 693600 696960 699380 706860 712096 715275 719950 728280 731808 734349 734400 739200 740520 753984 762300 762960 776832 777546 780300 785400 789888 801108 807840 809200 813120 822800 831600 832320 837760 839256 856800 858330 863940 871200 873936 874225 883575 888624 890120 897600 910350 914760 915552 921536 924800 925650 942480 944163 950400 953700 971040 975744 979132 987360 998784 1001385 1009800 1016400 1017280 1028160 1036728 1040400 1045440 1047200 1049070 1068144 1077120 1079925 1092420 1108800 1110780 1112650 1119008 1130976 1142400 1143450 1144440 1151920 1161600 1165248 1178100 1184832 1201662 1213800 1219680 1220736 1223915 1234200 1248480 1256640 1258884 1271600 1285200 1294720 1295910 1306800 1316480 1330560 1335180 1346400 1355200 1365525 1373328 1382304 1387200 1388475 1398760 1413720 1424192 1430550 1439900 1456560 1463616 1468698 1468800 1481040 1507968 1524600 1525920 1555092 1560600 1570800 1573605 1602216 1615680 1618400 1626240 1645600 1663200 1664640 1668975 1678512 1713600 1716660 1727880 1742400 1747872 1748450 1767150 1777248 1780240 1795200 1820700 1829520 1831104 1843072 1851300 1884960 1888326 1907400 1942080 1943865 1958264 1974720 2002770 2019600 2032800 2034560 2056320 2073456 2080800 2090880 2094400 2098140 2136288 2145825 2159850 2184840 2203047 2217600 2221560 2225300 2238016 2261952 2286900 2288880 2303840 2330496 2356200 2369664 2403324 2427600 2439360 2447830 2468400 2496960 2513280 2517768 2543200 2570400 2591820 2613600 2622675 2670360 2692800 2710400 2731050 2746656 2764608 2774400 2776950 2797520 2827440 2848384 2861100 2879800 2913120 2927232 2937396 2962080 3004155 3049200 3051840 3110184 3121200 3141600 3147210 3204432 3231360 3236800 3239775 3291200 3326400 3337950 3357024 3427200 3433320 3455760 3484800 3495744 3496900 3534300 3554496 3560480 3641400 3659040 3662208 3671745 3702600 3769920 3776652 3814800 3884160 3887730 3916528 3949440 4005540 4039200 4065600 4146912 4161600 4188800 4196280 4272576 4291650 4319700 4369680 4406094 4443120 4450600 4476032 4523904 4573800 4577760 4607680 4712400 4720815 4806648 4855200 4878720 4895660 4936800 4993920 5006925 5035536 5086400 5140800 5183640 5227200 5245350 5340720 5385600 5462100 5493312 5529216 5553900 5595040 5654880 5722200 5759600 5826240 5874792 5924160 6008310 6098400 6103680 6119575 6220368 6242400 6283200 6294420 6408864 6473600 6479550 6582400 6609141 6652800 6675900 6714048 6866640 6911520 6991488 6993800 7068600 7108992 7120960 7282800 7318080 7343490 7405200 7539840 7553304 7629600 7775460 7833056 7868025 8011080 8078400 8131200 8293824 8323200 8392560 8545152 8583300 8639400 8739360 8812188 8886240 8901200 9147600 9155520 9215360 9424800 9441630 9613296 9710400 9719325 9791320 9873600 10013850 10071072 10172800 10281600 10367280 10454400 10490700 10681440 10924200 10986624 11015235 11107800 11190080 11309760 11444400 11519200 11652480 11749584 11848320 12016620 12196800 12239150 12440736 12484800 12566400 12588840 12817728 12959100 13218282 13351800 13428096 13733280 13823040 13987600 14137200 14241920 14565600 14636160 14686980 14810400 15020775 15106608 15259200 15550920 15666112 15736050 16022160 16156800 16587648 16785120 17166600 17278800 17478720 17624376 17772480 17802400 18295200 18311040 18358725 18849600 18883260 19226592 19420800 19438650 19582640 19747200 20027700 20142144 20734560 20981400 21362880 21848400 22030470 22215600 22380160 22619520 22888800 23038400 23499168 23604075 24033240 24393600 24478300 24881472 24969600 25177680 25635456 25918200 26436564 26703600 27466560 27646080 27975200 28274400 29131200 29373960 29620800 30041550 30213216 30518400 31101840 31332224 31472100 32044320 33045705 33570240 34333200 34557600 34957440 35248752 35544960 35604800 36590400 36717450 37699200 37766520 38453184 38877300 39165280 40055400 40284288 41469120 41962800 42725760 43696800 44060940 44431200 45777600 46076800 46998336 47208150 48066480 48956600 49762944 50355360 51836400 52873128 53407200 54933120 55076175 55950400 56548800 58262400 58747920 59241600 60083100 60426432 62203680 62944200 64088640 66091410 67140480 68666400 69115200 70497504 71209600 73180800 73434900 75533040 76906368 77754600 78330560 80110800 82938240 83925600 87393600 88121880 88862400 91555200 93996672 94416300 96132960 97913200 100710720 103672800 105746256 106814400 110152350 111900800 113097600 117495840 120166200 120852864 124407360 125888400 128177280 132182820 137332800 138230400 140995008 146869800 151066080 155509200 156661120 160221600 165228525 167851200 174787200 176243760 177724800 188832600 192265920 195826400 201421440 207345600 211492512 213628800 220304700 234991680 240332400 248814720 251776800 264365640 274665600 281990016 293739600 302132160 311018400 320443200 330457050 335702400 352487520 377665200 384531840 391652800 414691200 422985024 440609400 469983360 480664800 503553600 528731280 587479200 604264320 622036800 640886400 660914100 704975040 755330400 783305600 845970048 881218800 961329600 1007107200 1057462560 1174958400 1244073600 1321828200 1409950080 1510660800 1762437600 1922659200 2114925120 2349916800 2643656400 3021321600 3524875200 4229850240 5287312800 7049750400 10574625600 21149251200
• Sum of all divisors σ(n): 103286097600
• Sum of proper divisors (its aliquot sum) s(n): 82136846400
• 21149251200 is an abundant number, because the sum of its proper divisors (82136846400) is greater than itself. Its abundance is 60987595200

Bases of 21149251200

• Binary: 10011101100100101111111011010000000₂
• Hexadecimal: 0x4EC97F680
• Base-36: 9PRPUO0

Squares and roots of 21149251200

• 21149251200 squared (21149251200²) is 447290826320701440000
• 21149251200 cubed (21149251200³) is 9459866045312086514761728000000
• The square root of 21149251200 is 145427.8212722725
• The cube root of 21149251200 is 2765.4448281361

Scales and comparisons

• 21,149,251,200 seconds is equal to 672 years, 25 weeks.
• To count from 1 to 21,149,251,200 would take you about one thousand, three hundred forty-four 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 21149251200 cubic inches would be around 230.5 feet tall.

Recreational maths with 21149251200

• 21149251200 backwards is 00215294112
• 21149251200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21149251200's digits is 27
• More coming soon!