21209610240

Names of 21209610240

• Cardinal: 21209610240 can be written as Twenty-one billion, two hundred nine million, six hundred ten thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.120961024 × 10¹⁰

Factors of 21209610240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 311

Divisors of 21209610240

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 52 54 56 60 63 64 65 70 72 78 80 81 84 90 91 96 104 105 108 112 117 120 126 128 130 135 140 144 156 160 162 168 180 182 189 192 195 208 210 216 224 234 240 252 256 260 270 273 280 281 288 312 315 320 324 336 351 360 364 378 384 390 405 416 420 432 448 455 468 480 504 512 520 540 546 560 562 567 576 585 624 630 640 648 672 702 720 728 756 768 780 810 819 832 840 843 864 896 910 936 945 960 1008 1024 1040 1053 1080 1092 1120 1124 1134 1152 1170 1248 1260 1280 1296 1344 1365 1404 1405 1440 1456 1512 1536 1560 1620 1638 1664 1680 1686 1728 1755 1792 1820 1872 1890 1920 1967 2016 2048 2080 2106 2160 2184 2240 2248 2268 2304 2340 2457 2496 2520 2529 2560 2592 2688 2730 2808 2810 2835 2880 2912 3024 3072 3120 3240 3276 3328 3360 3372 3456 3510 3584 3640 3653 3744 3780 3840 3934 4032 4095 4160 4212 4215 4320 4368 4480 4496 4536 4608 4680 4914 4992 5040 5058 5120 5184 5265 5376 5460 5616 5620 5670 5760 5824 5901 6048 6144 6240 6480 6552 6656 6720 6744 6912 7020 7168 7280 7306 7371 7488 7560 7587 7680 7868 8064 8190 8320 8424 8430 8640 8736 8960 8992 9072 9216 9360 9828 9835 9984 10080 10116 10240 10368 10530 10752 10920 10959 11232 11240 11340 11520 11648 11802 12096 12285 12480 12645 12960 13104 13312 13440 13488 13824 14040 14336 14560 14612 14742 14976 15120 15174 15360 15736 16128 16380 16640 16848 16860 17280 17472 17703 17920 17984 18144 18265 18432 18720 19656 19670 19968 20160 20232 20736 21060 21504 21840 21918 22464 22480 22680 22761 23040 23296 23604 24192 24570 24960 25290 25571 25920 26208 26624 26880 26976 27648 28080 29120 29224 29484 29505 29952 30240 30348 30720 31472 32256 32760 32877 33280 33696 33720 34560 34944 35406 35840 35968 36288 36530 36855 37440 37935 39312 39340 39936 40320 40464 41472 42120 43008 43680 43836 44928 44960 45360 45522 46080 46592 47208 48384 49140 49920 50580 51142 51840 52416 53109 53760 53952 54795 55296 56160 58240 58448 58968 59010 59904 60480 60696 62944 64512 65520 65754 66560 67392 67440 69120 69888 70812 71680 71936 72576 73060 73710 74880 75870 76713 78624 78680 79872 80640 80928 82944 84240 87360 87672 88515 89856 89920 90720 91044 92160 93184 94416 96768 98280 98631 99840 101160 102284 103680 104832 106218 107520 107904 109590 112320 113805 116480 116896 117936 118020 119808 120960 121392 125888 127855 129024 131040 131508 133120 134784 134880 138240 139776 141624 143872 145152 146120 147420 149760 151740 153426 157248 157360 159327 161280 161856 164385 165888 168480 174720 175344 177030 179712 179840 181440 182088 186368 188832 193536 196560 197262 199680 202320 204568 207360 209664 212436 215040 215808 219180 224640 227610 230139 232960 233792 235872 236040 239616 241920 242784 251776 255710 262080 263016 265545 269568 269760 276480 279552 283248 287744 290304 292240 294840 295893 299520 303480 306852 314496 314720 318654 322560 323712 328770 336960 349440 350688 354060 359424 359680 362880 364176 377664 383565 387072 393120 394524 399360 404640 409136 414720 419328 424872 431616 438360 449280 455220 460278 465920 467584 471744 472080 483840 485568 493155 503552 511420 524160 526032 531090 539136 539520 559104 566496 575488 580608 584480 589680 591786 599040 606960 613704 628992 629440 637308 645120 647424 657540 673920 690417 698880 701376 708120 718848 719360 725760 728352 755328 767130 786240 789048 796635 809280 818272 829440 838656 849744 863232 876720 898560 910440 920556 931840 935168 943488 944160 967680 971136 986310 1007104 1022840 1048320 1052064 1062180 1078272 1079040 1132992 1150695 1161216 1168960 1179360 1183572 1198080 1213920 1227408 1257984 1258880 1274616 1294848 1315080 1347840 1380834 1397760 1402752 1416240 1438720 1451520 1456704 1479465 1510656 1534260 1572480 1578096 1593270 1618560 1636544 1677312 1699488 1726464 1753440 1797120 1820880 1841112 1870336 1886976 1888320 1935360 1942272 1972620 2014208 2045680 2071251 2096640 2104128 2124360 2156544 2158080 2265984 2301390 2337920 2358720 2367144 2427840 2454816 2515968 2517760 2549232 2589696 2630160 2695680 2761668 2795520 2805504 2832480 2877440 2903040 2913408 2958930 3021312 3068520 3144960 3156192 3186540 3237120 3273088 3398976 3452085 3506880 3594240 3641760 3682224 3740672 3773952 3776640 3884544 3945240 4028416 4091360 4142502 4193280 4208256 4248720 4316160 4531968 4602780 4675840 4717440 4734288 4855680 4909632 5031936 5035520 5098464 5179392 5260320 5391360 5523336 5611008 5664960 5806080 5826816 5917860 6042624 6137040 6289920 6312384 6373080 6474240 6546176 6797952 6904170 7013760 7283520 7364448 7481344 7547904 7553280 7769088 7890480 8182720 8285004 8386560 8416512 8497440 8632320 9063936 9205560 9351680 9434880 9468576 9711360 9819264 10071040 10196928 10356255 10520640 10782720 11046672 11222016 11329920 11653632 11835720 12085248 12274080 12579840 12624768 12746160 12948480 13092352 13595904 13808340 14027520 14567040 14728896 15095808 15106560 15538176 15780960 16365440 16570008 16833024 16994880 18127872 18411120 18703360 18869760 18937152 19422720 19638528 20142080 20393856 20712510 21041280 22093344 22444032 22659840 23307264 23671440 24548160 25159680 25249536 25492320 25896960 26184704 27191808 27616680 28055040 29134080 29457792 30213120 31561920 32730880 33140016 33666048 33989760 36255744 36822240 37406720 37739520 37874304 38845440 39277056 40787712 41425020 42082560 44186688 45319680 46614528 47342880 49096320 50499072 50984640 52369408 54383616 55233360 56110080 58268160 58915584 60426240 63123840 65461760 66280032 67332096 67979520 73644480 75479040 75748608 77690880 78554112 81575424 82850040 84165120 88373376 90639360 94685760 98192640 100998144 101969280 108767232 110466720 112220160 116536320 117831168 126247680 130923520 132560064 135959040 147288960 151497216 157108224 163150848 165700080 168330240 176746752 181278720 189371520 196385280 201996288 203938560 220933440 233072640 235662336 252495360 261847040 265120128 271918080 294577920 302994432 326301696 331400160 336660480 353493504 378743040 392770560 407877120 441866880 471324672 504990720 530240256 543836160 589155840 605988864 662800320 706987008 757486080 785541120 815754240 883733760 1009981440 1060480512 1178311680 1325600640 1413974016 1514972160 1631508480 1767467520 2120961024 2356623360 2651201280 3029944320 3534935040 4241922048 5302402560 7069870080 10604805120 21209610240
• Sum of all divisors σ(n): 93898284480
• Sum of proper divisors (its aliquot sum) s(n): 72688674240
• 21209610240 is an abundant number, because the sum of its proper divisors (72688674240) is greater than itself. Its abundance is 51479064000

Bases of 21209610240

• Binary: 10011110000001100001111100000000000₂
• Hexadecimal: 0x4F030F800
• Base-36: 9QRNK00

Squares and roots of 21209610240

• 21209610240 squared (21209610240²) is 449847566532712857600
• 21209610240 cubed (21209610240³) is 9541091553571307919532621824000
• The square root of 21209610240 is 145635.1957460833
• The cube root of 21209610240 is 2768.0731489685

Scales and comparisons

• 21,209,610,240 seconds is equal to 674 years, 20 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 21,209,610,240 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 21209610240 cubic inches would be around 230.7 feet tall.

Recreational maths with 21209610240

• 21209610240 backwards is 04201690212
• 21209610240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21209610240's digits is 27
• More coming soon!