18364267242660521

Names of 18364267242660521

• Cardinal: 18364267242660521 can be written as Eighteen quadrillion, three hundred sixty-four trillion, two hundred sixty-seven billion, two hundred forty-two million, six hundred sixty thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 1.8364267242660521 × 10¹⁶

Factors of 18364267242660521

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 567

Divisors of 18364267242660521

• Number of divisors d(n): 384
• Complete list of divisors:
  1 7 13 19 37 49 91 133 169 247 259 361 481 491 637 703 931 1183 1369 1729 1813 2197 2527 3211 3367 3437 4693 4921 6253 6383 6859 8281 9139 9329 9583 12103 13357 15379 17689 17797 18167 22477 23569 24059 26011 32851 34447 41743 43771 44681 48013 50653 61009 63973 65303 67081 81289 82979 89167 93499 107653 118807 121277 124579 127169 157339 173641 177251 182077 229957 231361 236171 253783 292201 306397 312767 336091 338143 345173 354571 427063 447811 457121 494209 569023 580853 624169 654493 658489 672179 793117 831649 848939 872053 890183 962407 1078727 1159171 1215487 1240757 1274539 1544491 1576601 1619527 1653197 1776481 2045407 2257333 2304263 2367001 2416211 2481997 2989441 3007693 3070223 3299179 3367769 3459463 3983161 4065971 4369183 4395859 4487249 4609423 4705253 5551819 5821543 5942573 6424717 6558287 6736849 7551089 8114197 8508409 8560357 8685299 8738327 9389971 10811437 11036207 11336689 11572379 12435367 12511291 12771401 15069223 15801331 16129841 16569007 16913477 18285733 20495813 21053851 21491561 23094253 23574383 24216241 24870623 29345329 29955419 30771013 31410743 32265961 32936771 38862733 39912899 42889327 43780997 44973019 45908009 47157943 52857623 56799379 57146167 58334237 59922499 61168289 65729797 75680059 77253449 83521321 85257731 87579037 89399807 105484561 110609317 111284641 112908887 113598251 122069623 124607453 128000131 143470691 147376957 150440927 161659771 162646783 165020681 166028213 174094361 205417303 209687933 215397091 219875201 237714529 242656619 279390293 300225289 306466979 314811133 321356063 323318099 347428927 389420447 400023169 408339659 419457493 428178023 460108579 472541837 557561251 569152961 584649247 596804117 613053259 625798649 738391927 758345081 778992487 795187757 854487361 872252171 896000917 1004294837 1085777173 1108350503 1138527481 1162197491 1218660527 1437921121 1467815531 1476777263 1586905099 1619896889 1664001703 1698596333 1955732051 2101577023 2114408179 2145268853 2158366769 2263226693 2432002489 2725943129 2800162183 2858377613 3090288877 3154536047 3307792859 3902928757 3984070727 4092544729 4177628819 4203135287 4516576051 4610475761 5308415567 5452947409 5566314299 5981411527 6105765197 6143043881 7398988493 7600440211 7758453521 7969692367 8135382437 8978294903 10337440841 11108335693 11339278223 11648011921 11890174331 14408556539 14800857253 15108567383 15842586851 17024017423 19081601903 20629766287 21058659557 21632022139 22081752329 23154550013 27320501299 27888495089 28058767997 29421947009 31616032357 32273330327 37158908969 40173755401 41008968611 43001307167 51792919451 53203081477 54309174647 54640758731 58715488663 59936184893 62848064321 72362085887 77758349851 79374947561 79859570453 100859895773 103606000771 105759971681 116717833739 144408364009 147410616899 151424154973 154572266303 170587603157 196411375979 205953629063 221312226499 225913312289 273762574241 281216287807 287062780277 301009150169 362550436157 382485311117 411008420641 419553294251 439936450247 533116591943 559016993171 706019270411 763301352619 779170403609 817024836173 1010858548063 1031874318293 1038174415889 1194113222099 1374879631853 1517331838607 1916338019687 1968514014649 2009439461939 2217638841041 2677397177819 2877058944487 2936873059757 3731816143601 3913118952197 5343109468333 5454192825263 5719173853211 7267220911223 8358792554693 10129215246917 10621322870249 13414366137809 15523471887287 19725313901891 26122713005207 28829304933533 37401766278331 38179349776841 50870546378561 70904506728419 74349260091743 108664303211009 138077197313237 201805134534731 374780964135929 496331547098933 966540381192659 1412635941743117 2623466748951503 18364267242660521
• Sum of all divisors σ(n): 25157046091968000
• Sum of proper divisors (its aliquot sum) s(n): 6792778849307479
• 18364267242660521 is a deficient number, because the sum of its proper divisors (6792778849307479) is less than itself. Its deficiency is 11571488393353042

Bases of 18364267242660521

• Binary: 1000001001111100011010000101001100011110010001010101001₂
• Hexadecimal: 0x413E34298F22A9
• Base-36: 50TL7WKY8BT

Squares and roots of 18364267242660521

• 18364267242660521 squared (18364267242660521²) is 337246311359854254890342451991441
• 18364267242660521 cubed (18364267242660521³) is 6193281388413862237802756485562801507407560600761
• The square root of 18364267242660521 is 135514822.9628793081
• The cube root of 18364267242660521 is 263830.2170242085

Scales and comparisons

• 18,364,267,242,660,521 seconds is equal to 583,926,893 years, 47 weeks, 1 day, 15 hours, 28 minutes, 41 seconds.
• To count from 1 to 18,364,267,242,660,521 would take you about one billion, seven hundred fifty-one million, seven hundred eighty thousand, six hundred eighty-one 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 18364267242660521 cubic inches would be around 21985.9 feet tall.

Recreational maths with 18364267242660521

• 18364267242660521 backwards is 12506624276246381
• The number of decimal digits it has is: 17
• The sum of 18364267242660521's digits is 65
• More coming soon!