385438

Names of 385438

• Cardinal: 385438 can be written as Three hundred eighty-five thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 3.85438 × 10⁵

Factors of 385438

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1202

Divisors of 385438

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 191 382 1009 2018 192719 385438
• Sum of all divisors σ(n): 581760
• Sum of proper divisors (its aliquot sum) s(n): 196322
• 385438 is a deficient number, because the sum of its proper divisors (196322) is less than itself. Its deficiency is 189116

Bases of 385438

• Binary: 1011110000110011110₂
• Hexadecimal: 0x5E19E
• Base-36: 89EM

Squares and roots of 385438

• 385438 squared (385438²) is 148562451844
• 385438 cubed (385438³) is 57261614313847672
• The square root of 385438 is 620.8365324303
• The cube root of 385438 is 72.7754405343

Scales and comparisons

• 385,438 seconds is equal to 4 days, 11 hours, 3 minutes, 58 seconds.
• To count from 1 to 385,438 would take you about four days.

  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 385438 cubic inches would be around 6.1 feet tall.

Recreational maths with 385438

• 385438 backwards is 834583
• The number of decimal digits it has is: 6
• The sum of 385438's digits is 31
• More coming soon!