18307040869558420849

Names of 18307040869558420849

• Cardinal: 18307040869558420849 can be written as Eighteen quintillion, three hundred seven quadrillion, forty trillion, eight hundred sixty-nine billion, five hundred fifty-eight million, four hundred twenty thousand, eight hundred forty-nine.

Scientific notation

• Scientific notation: 1.8307040869558420849 × 10¹⁹

Factors of 18307040869558420849

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 185

Divisors of 18307040869558420849

• Number of divisors d(n): 81
• Complete list of divisors:
  1 31 41 113 961 1271 1681 3503 4633 12769 29791 39401 52111 108593 143623 189953 395839 523529 923521 1221431 1615441 3366383 4452313 5888543 12271009 16229399 21464689 28629151 37864361 50078671 104357873 138021703 182544833 380401279 503111369 665405359 887503681 1173795191 1552438801 3235094063 4278672793 5658889823 11792439649 15596452439 20627566129 27512614111 36387650921 48125602831 100287915953 132638856583 175425584513 365565629119 483490025609 639454549999 852891037441 1128017178551 1491893687761 3108925394543 4111804554073 5438193119903 11332534502689 14988190793879 19823091049969 34968532535081 46248704320591 96376687230833 127465941176263 168583986716993 351308569583359 464633914610249 614515822549039 1433709833938321 3951444176464153 5226103588226783 10890565657084129 14403651352917719 19049990499020209 162009211235030273 446513191940449289 590549705469626479 18307040869558420849
• Sum of all divisors σ(n): 19563036896861856801
• Sum of proper divisors (its aliquot sum) s(n): 1255996027303435952
• 18307040869558420849 is a deficient number, because the sum of its proper divisors (1255996027303435952) is less than itself. Its deficiency is 17051044842254984897

Bases of 18307040869558420849

• Binary: 1111111000001111101011001010110100001110100101101000010101110001₂
• Hexadecimal: 0xFE0FACAD0E968571
• Base-36: 3V36GDK6J1Q41

Squares and roots of 18307040869558420849

• 18307040869558420849 squared (18307040869558420849²) is 335147745399682341770801189406597880801
• 18307040869558420849 cubed (18307040869558420849³) is 6135563472372344858942209662962356225671339650867495220049
• 18307040869558420849 is a perfect square number. Its square root is 4278672793
• The cube root of 18307040869558420849 is 2635558.8433619693

Scales and comparisons

• 18,307,040,869,558,420,849 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,307,040,869,558,420,849 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 18307040869558420849 cubic inches would be around 219629.9 feet tall.

Recreational maths with 18307040869558420849

• 18307040869558420849 backwards is 94802485596804070381
• The number of decimal digits it has is: 20
• The sum of 18307040869558420849's digits is 91
• More coming soon!