18397289714931

Names of 18397289714931

• Cardinal: 18397289714931 can be written as Eighteen trillion, three hundred ninety-seven billion, two hundred eighty-nine million, seven hundred fourteen thousand, nine hundred thirty-one.

Scientific notation

• Scientific notation: 1.8397289714931 × 10¹³

Factors of 18397289714931

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 337

Divisors of 18397289714931

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 9 17 19 27 41 51 57 123 153 171 257 323 361 369 459 513 697 771 779 969 1083 1107 1681 2091 2313 2337 2907 3249 4369 4883 5043 6137 6273 6939 7011 8721 9747 10537 13107 13243 14649 14801 15129 18411 18819 21033 28577 31611 31939 39321 39729 43947 44403 45387 55233 66049 83011 85731 92777 94833 95817 117963 119187 131841 133209 165699 179129 198147 200203 249033 251617 257193 278331 284499 287451 357561 399627 432017 537387 542963 594441 600609 606841 747099 754851 771579 834993 862353 1122833 1254931 1296051 1577209 1612161 1628889 1783323 1801827 1820523 2241297 2264553 2504979 2708009 3368499 3403451 3764793 3803857 3888153 4731627 4836483 4886667 5405481 5461569 6793659 7344289 8124027 8208323 10105497 10210353 10316297 11294379 11411571 11664459 14194881 14660001 16384707 21333827 22032867 23843689 24372081 24624969 30316491 30631059 30948891 33883137 34234713 42584643 46036153 51452171 64001481 64665569 66098601 71531067 73116243 73874907 91893177 92846673 102704139 111028369 138108459 139541491 154356513 155958137 192004443 193996707 198295803 214593201 221624721 278540019 333085107 405342713 414325377 418624473 463069539 467874411 576013329 581990121 643779603 874686907 977591249 999255321 1216028139 1242976131 1255873419 1389208617 1403623233 1745970363 1887482273 2109539011 2624060721 2651288329 2932773747 2997765963 3648084417 3767620257 4210869699 5662446819 6328617033 7872182163 7953864987 8798321241 10944253251 16619051233 16987340457 18985851099 23616546489 23861594961 26394963723 35862163187 40081241209 49857153699 50962021371 56957553297 71584784883 107586489561 120243723627 149571461097 322759468683 360731170881 448714383291 681381100553 968278406049 1082193512643 2044143301659 6132429904977 18397289714931
• Sum of all divisors σ(n): 31340226341520
• Sum of proper divisors (its aliquot sum) s(n): 12942936626589
• 18397289714931 is a deficient number, because the sum of its proper divisors (12942936626589) is less than itself. Its deficiency is 5454353088342

Bases of 18397289714931

• Binary: 100001011101101110011111010110001010011110011₂
• Hexadecimal: 0x10BB73EB14F3
• Base-36: 6IRLJAIUR

Squares and roots of 18397289714931

• 18397289714931 squared (18397289714931²) is 338460268855105955244334761
• 18397289714931 cubed (18397289714931³) is 6226751623120821857100847899650424016491
• The square root of 18397289714931 is 4289206.1870386925
• The cube root of 18397289714931 is 26398.8261429637

Scales and comparisons

• 18,397,289,714,931 seconds is equal to 584,976 years, 47 weeks, 22 hours, 8 minutes, 51 seconds.
• To count from 1 to 18,397,289,714,931 would take you about one million, four hundred sixty-two thousand, four hundred forty-two 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 18397289714931 cubic inches would be around 2199.9 feet tall.

Recreational maths with 18397289714931

• 18397289714931 backwards is 13941798279381
• The number of decimal digits it has is: 14
• The sum of 18397289714931's digits is 72
• More coming soon!