18125136651942

Names of 18125136651942

• Cardinal: 18125136651942 can be written as Eighteen trillion, one hundred twenty-five billion, one hundred thirty-six million, six hundred fifty-one thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 1.8125136651942 × 10¹³

Factors of 18125136651942

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1415

Divisors of 18125136651942

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 9 18 31 53 62 93 97 106 159 186 194 279 291 318 477 558 582 873 954 1229 1643 1746 2458 2809 3007 3286 3687 4929 5141 5618 6014 7374 8427 9021 9409 9858 10282 11061 14787 15423 16854 18042 18818 22122 25281 27063 28227 29574 30846 38099 46269 50562 54126 56454 65137 76198 84681 87079 92538 114297 119213 130274 159371 169362 174158 195411 228594 238426 261237 272473 291679 318742 342891 357639 390822 478113 498677 522474 544946 583358 586233 685782 715278 783711 817419 875037 956226 997354 1072917 1172466 1434339 1496031 1567422 1634838 1750074 2019247 2145834 2452257 2625111 2868678 2992062 3452261 3695603 4038494 4488093 4904514 5250222 6057741 6318289 6904522 7391206 8446663 8976186 10356783 11086809 11563661 12115482 12636578 15458987 16893326 18173223 18954867 20713566 22173618 23127322 25339989 26429881 30917974 31070349 33260427 34690983 36346446 37909734 46376961 50679978 52859762 56864601 62140698 66520854 69381966 76019967 79289643 92753922 104072949 107020091 113729202 139130883 152039934 158579286 195866959 208145898 214040182 237868929 278261766 321060273 334869317 358473491 391733918 475737858 587600877 612874033 642120546 669738634 716946982 819326311 963180819 1004607951 1075420473 1175201754 1225748066 1638652622 1762802631 1838622099 1926361638 2009215902 2150840946 2457978933 3013823853 3226261419 3525605262 3677244198 4915957866 5515866297 6027647706 6452522838 7373936799 10380948827 11031732594 14747873598 18999095023 20761897654 31142846481 32482323749 37998190046 56997285069 62285692962 64964647498 93428539443 97446971247 113994570138 170991855207 186857078886 194893942494 292340913741 341983710414 584681827482 1006952036219 2013904072438 3020856108657 6041712217314 9062568325971 18125136651942
• Sum of all divisors σ(n): 41781549176640
• Sum of proper divisors (its aliquot sum) s(n): 23656412524698
• 18125136651942 is an abundant number, because the sum of its proper divisors (23656412524698) is greater than itself. Its abundance is 5531275872756

Bases of 18125136651942

• Binary: 100000111110000010110010101001110011010100110₂
• Hexadecimal: 0x107C1654E6A6
• Base-36: 6FAKMDVHI

Squares and roots of 18125136651942

• 18125136651942 squared (18125136651942²) is 328520578651571253252371364
• 18125136651942 cubed (18125136651942³) is 5954480381034788666152339282862995788888
• The square root of 18125136651942 is 4257362.6404080263
• The cube root of 18125136651942 is 26268.0053772857

Scales and comparisons

• 18,125,136,651,942 seconds is equal to 576,323 years, 14 weeks, 4 days, 5 hours, 5 minutes, 42 seconds.
• To count from 1 to 18,125,136,651,942 would take you about one million, four hundred forty thousand, eight hundred 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 18125136651942 cubic inches would be around 2189 feet tall.

Recreational maths with 18125136651942

• 18125136651942 backwards is 24915663152181
• The number of decimal digits it has is: 14
• The sum of 18125136651942's digits is 54
• More coming soon!