21216522240

Names of 21216522240

• Cardinal: 21216522240 can be written as Twenty-one billion, two hundred sixteen million, five hundred twenty-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.121652224 × 10¹⁰

Factors of 21216522240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 125

Divisors of 21216522240

• Number of divisors d(n): 832
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 37 40 45 48 51 54 60 61 64 68 72 74 80 85 90 96 102 108 111 120 122 128 135 136 144 148 153 160 170 180 183 185 192 204 216 222 240 244 255 256 270 272 288 296 305 306 320 333 340 360 366 370 384 408 432 444 459 480 488 510 512 540 544 549 555 576 592 610 612 629 640 666 680 720 732 740 765 768 816 864 888 915 918 960 976 999 1020 1024 1037 1080 1088 1098 1110 1152 1184 1220 1224 1258 1280 1332 1360 1440 1464 1480 1530 1536 1632 1647 1665 1728 1776 1830 1836 1887 1920 1952 1998 2040 2048 2074 2160 2176 2196 2220 2257 2295 2304 2368 2440 2448 2516 2560 2664 2720 2745 2880 2928 2960 3060 3072 3111 3145 3264 3294 3330 3456 3552 3660 3672 3774 3840 3904 3996 4080 4096 4148 4320 4352 4392 4440 4514 4590 4608 4736 4880 4896 4995 5032 5120 5185 5328 5440 5490 5661 5760 5856 5920 6120 6144 6222 6290 6528 6588 6660 6771 6912 7104 7320 7344 7548 7680 7808 7992 8160 8235 8296 8640 8704 8784 8880 9028 9180 9216 9333 9435 9472 9760 9792 9990 10064 10240 10370 10656 10880 10980 11285 11322 11520 11712 11840 12240 12288 12444 12580 13056 13176 13320 13542 13824 14208 14640 14688 15096 15360 15555 15616 15984 16320 16470 16592 16983 17280 17408 17568 17760 18056 18360 18432 18666 18870 18944 19520 19584 19980 20128 20313 20480 20740 21312 21760 21960 22570 22644 23040 23424 23680 24480 24888 25160 26112 26352 26640 27084 27648 27999 28305 28416 29280 29376 30192 30720 31110 31232 31968 32640 32940 33184 33855 33966 34560 34816 35136 35520 36112 36720 36864 37332 37740 37888 38369 39040 39168 39960 40256 40626 41480 42624 43520 43920 45140 45288 46080 46665 46848 47360 48960 49776 50320 52224 52704 53280 54168 55296 55998 56610 56832 58560 58752 60384 60939 61440 62220 62464 63936 65280 65880 66368 67710 67932 69120 69632 70272 71040 72224 73440 74664 75480 75776 76738 78080 78336 79920 80512 81252 82960 84915 85248 87040 87840 90280 90576 92160 93330 93696 94720 97920 99552 100640 101565 104448 105408 106560 108336 110592 111996 113220 113664 115107 117120 117504 120768 121878 124440 124928 127872 130560 131760 132736 135420 135864 138240 139995 140544 142080 144448 146880 149328 150960 151552 153476 156160 156672 159840 161024 162504 165920 169830 170496 174080 175680 180560 181152 184320 186660 187392 189440 191845 195840 199104 201280 203130 208896 210816 213120 216672 223992 226440 227328 230214 234240 235008 241536 243756 248880 249856 255744 261120 263520 265472 270840 271728 276480 279990 281088 284160 288896 293760 298656 301920 304695 306952 312320 313344 319680 322048 325008 331840 339660 340992 345321 348160 351360 361120 362304 373320 374784 378880 383690 391680 398208 402560 406260 421632 426240 433344 447984 452880 454656 460428 468480 470016 483072 487512 497760 511488 522240 527040 530944 541680 543456 552960 559980 562176 568320 575535 577792 587520 597312 603840 609390 613904 624640 626688 639360 644096 650016 663680 679320 681984 690642 702720 722240 724608 746640 749568 757760 767380 783360 796416 805120 812520 843264 852480 866688 895968 905760 920856 936960 940032 966144 975024 995520 1022976 1035963 1044480 1054080 1061888 1083360 1086912 1119960 1124352 1136640 1151070 1155584 1175040 1194624 1207680 1218780 1227808 1249280 1278720 1288192 1300032 1327360 1358640 1363968 1381284 1405440 1444480 1449216 1493280 1534760 1566720 1592832 1610240 1625040 1686528 1704960 1726605 1733376 1791936 1811520 1841712 1873920 1880064 1932288 1950048 1991040 2045952 2071926 2108160 2123776 2166720 2173824 2239920 2248704 2273280 2302140 2311168 2350080 2389248 2415360 2437560 2455616 2557440 2576384 2600064 2654720 2717280 2762568 2810880 2888960 2898432 2986560 3069520 3133440 3185664 3220480 3250080 3373056 3409920 3453210 3466752 3583872 3623040 3683424 3747840 3864576 3900096 3982080 4091904 4143852 4216320 4247552 4333440 4347648 4479840 4604280 4622336 4700160 4778496 4830720 4875120 4911232 5114880 5179815 5200128 5309440 5434560 5525136 5621760 5777920 5796864 5973120 6139040 6371328 6440960 6500160 6746112 6819840 6906420 6933504 7167744 7246080 7366848 7729152 7800192 7964160 8287704 8432640 8666880 8695296 8959680 9208560 9244672 9400320 9556992 9661440 9750240 9822464 10229760 10359630 10400256 10618880 10869120 11050272 11243520 11555840 11593728 11946240 12278080 12742656 12881920 13000320 13812840 13867008 14335488 14492160 14733696 15600384 15928320 16575408 16865280 17333760 17390592 17919360 18417120 19113984 19322880 19500480 19644928 20459520 20719260 20800512 21237760 21738240 22100544 23111680 23187456 23892480 24556160 26000640 27625680 27734016 28670976 28984320 29467392 31200768 31856640 33150816 33730560 34667520 34781184 35838720 36834240 38227968 38645760 39000960 39289856 41438520 41601024 43476480 44201088 46223360 47784960 49112320 52001280 55251360 57341952 57968640 58934784 62401536 63713280 66301632 69335040 69562368 71677440 73668480 78001920 78579712 82877040 83202048 86952960 88402176 95569920 98224640 104002560 110502720 114683904 115937280 117869568 124803072 132603264 138670080 143354880 147336960 156003840 157159424 165754080 173905920 176804352 191139840 196449280 208005120 221005440 235739136 249606144 265206528 286709760 294673920 312007680 331508160 347811840 353608704 392898560 416010240 442010880 471478272 530413056 573419520 589347840 624015360 663016320 707217408 785797120 884021760 1060826112 1178695680 1248030720 1326032640 1414434816 1768043520 2121652224 2357391360 2652065280 3536087040 4243304448 5304130560 7072174080 10608261120 21216522240
• Sum of all divisors σ(n): 83367342720
• Sum of proper divisors (its aliquot sum) s(n): 62150820480
• 21216522240 is an abundant number, because the sum of its proper divisors (62150820480) is greater than itself. Its abundance is 40934298240

Bases of 21216522240

• Binary: 10011110000100110100111000000000000₂
• Hexadecimal: 0x4F09A7000
• Base-36: 9QVRPC0

Squares and roots of 21216522240

• 21216522240 squared (21216522240²) is 450140815960414617600
• 21216522240 cubed (21216522240³) is 9550422632955883693931495424000
• The square root of 21216522240 is 145658.9243403919
• The cube root of 21216522240 is 2768.3738121011

Scales and comparisons

• 21,216,522,240 seconds is equal to 674 years, 32 weeks, 1 day, 14 hours, 24 minutes.
• To count from 1 to 21,216,522,240 would take you about one thousand, three hundred forty-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 21216522240 cubic inches would be around 230.7 feet tall.

Recreational maths with 21216522240

• 21216522240 backwards is 04222561212
• 21216522240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21216522240's digits is 27
• More coming soon!