139818427

Names of 139818427

• Cardinal: 139818427 can be written as One hundred thirty-nine million, eight hundred eighteen thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 1.39818427 × 10⁸

Factors of 139818427

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 882

Divisors of 139818427

• Number of divisors d(n): 16
• Complete list of divisors:
  1 7 173 263 439 1211 1841 3073 45499 75947 115457 318493 531629 808199 19974061 139818427
• Sum of all divisors σ(n): 161694720
• Sum of proper divisors (its aliquot sum) s(n): 21876293
• 139818427 is a deficient number, because the sum of its proper divisors (21876293) is less than itself. Its deficiency is 117942134

Bases of 139818427

• Binary: 1000010101010111010110111011₂
• Hexadecimal: 0x85575BB
• Base-36: 2B8SL7

Squares and roots of 139818427

• 139818427 squared (139818427²) is 19549192528754329
• 139818427 cubed (139818427³) is 2733337348490582550220483
• The square root of 139818427 is 11824.4842170809
• The cube root of 139818427 is 519.0248328945

Scales and comparisons

• 139,818,427 seconds is equal to 4 years, 23 weeks, 1 day, 6 hours, 27 minutes, 7 seconds.
• To count from 1 to 139,818,427 would take you about six 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 139818427 cubic inches would be around 43.3 feet tall.

Recreational maths with 139818427

• 139818427 backwards is 724818931
• The number of decimal digits it has is: 9
• The sum of 139818427's digits is 43
• More coming soon!