140438

Names of 140438

• Cardinal: 140438 can be written as One hundred forty thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.40438 × 10⁵

Factors of 140438

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 139

Divisors of 140438

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 23 43 46 71 86 142 989 1633 1978 3053 3266 6106 70219 140438
• Sum of all divisors σ(n): 228096
• Sum of proper divisors (its aliquot sum) s(n): 87658
• 140438 is a deficient number, because the sum of its proper divisors (87658) is less than itself. Its deficiency is 52780

Bases of 140438

• Binary: 100010010010010110₂
• Hexadecimal: 0x22496
• Base-36: 30D2

Squares and roots of 140438

• 140438 squared (140438²) is 19722831844
• 140438 cubed (140438³) is 2769835058507672
• The square root of 140438 is 374.7505837221
• The cube root of 140438 is 51.9790349411

Scales and comparisons

• 140,438 seconds is equal to 1 day, 15 hours, 38 seconds.
• To count from 1 to 140,438 would take you about fifteen hours.

  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 140438 cubic inches would be around 4.3 feet tall.

Recreational maths with 140438

• 140438 backwards is 834041
• The number of decimal digits it has is: 6
• The sum of 140438's digits is 20
• More coming soon!