18180812433609

Names of 18180812433609

• Cardinal: 18180812433609 can be written as Eighteen trillion, one hundred eighty billion, eight hundred twelve million, four hundred thirty-three thousand, six hundred nine.

Scientific notation

• Scientific notation: 1.8180812433609 × 10¹³

Factors of 18180812433609

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 102

Divisors of 18180812433609

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 9 21 27 31 49 61 63 81 93 147 183 189 217 243 279 343 427 441 549 567 651 837 961 1029 1281 1323 1519 1647 1701 1891 1953 2511 2883 2989 3087 3721 3843 3969 4557 4941 5673 5859 6727 7533 8649 8967 9261 10633 11163 11529 11907 13237 13671 14823 17019 17577 20181 20923 25947 26047 26901 27783 31899 33489 34587 39711 41013 47089 51057 52731 58621 60543 62769 77841 78141 80703 83349 92659 95697 100467 103761 115351 119133 123039 141267 153171 175863 181629 182329 188307 226981 233523 234423 242109 277977 287091 301401 329623 346053 357399 369117 410347 423801 459513 527589 544887 546987 564921 648613 680943 703269 726327 807457 833931 861273 904203 988869 1038159 1072197 1231041 1271403 1276303 1582767 1588867 1634661 1640961 1694763 1945839 2042829 2109807 2422371 2501793 2583819 2872429 2966607 3114477 3216591 3575881 3693123 3814209 3828909 4748301 4766601 4922883 5084289 5652199 5837517 6128487 6329421 7036411 7267113 7505379 8617287 8899821 9343431 10727643 11079369 11122069 11442627 11486727 14244903 14299803 14768649 16956597 17512551 18385461 20107003 21109233 21801339 22516137 25031167 25851861 26699463 28030293 32182929 33238107 33366207 34460181 39565393 42899409 44305947 49254877 50869791 52537653 55156383 60321009 63327699 65404017 75093501 77555583 77854483 80098389 96548787 99714321 100098621 103380543 118696179 128698227 147764631 152609373 157612959 175218169 180963027 189983097 196212051 218128741 225280503 232666749 233563449 289646361 300295863 310141629 344784139 356088537 386094681 443293893 457828119 525654507 542889081 569949291 654386223 675841509 698000247 700690347 868939083 900887589 1034352417 1068265611 1226527183 1329881679 1373484357 1526901187 1576963521 1628667243 1709847873 1963158669 2027524527 2102071041 2413488973 2702662767 3103057251 3204796833 3679581549 3989645037 4580703561 4730890563 4886001729 5889476007 6082573581 6306213123 7240466919 9309171753 9614390499 10688308309 11038744647 11968935111 13742110683 14192671689 17668428021 18918639369 21721400757 27927515259 32064924927 33116233941 41226332049 42578015067 53005284063 65164202271 74818158163 83782545777 96194774781 99348701823 123678996147 195492606813 224454474489 288584324343 298046105469 371036988441 586477820439 673363423467 865752973029 2020090270401 2597258919087 6060270811203 18180812433609
• Sum of all divisors σ(n): 33364043731200
• Sum of proper divisors (its aliquot sum) s(n): 15183231297591
• 18180812433609 is a deficient number, because the sum of its proper divisors (15183231297591) is less than itself. Its deficiency is 2997581136018

Bases of 18180812433609

• Binary: 100001000100100001100110111011110100011001001₂
• Hexadecimal: 0x10890CDDE8C9
• Base-36: 6G05EB3K9

Squares and roots of 18180812433609

• 18180812433609 squared (18180812433609²) is 330541940746071609032764881
• 18180812433609 cubed (18180812433609³) is 6009521026145428047325564462751519285529
• The square root of 18180812433609 is 4263896.3910499749
• The cube root of 18180812433609 is 26294.8740816663

Scales and comparisons

• 18,180,812,433,609 seconds is equal to 578,093 years, 31 weeks, 20 hours, 9 seconds.
• To count from 1 to 18,180,812,433,609 would take you about one million, four hundred forty-five thousand, two hundred thirty-three 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 18180812433609 cubic inches would be around 2191.2 feet tall.

Recreational maths with 18180812433609

• 18180812433609 backwards is 90633421808181
• The number of decimal digits it has is: 14
• The sum of 18180812433609's digits is 54
• More coming soon!