85438

Names of 85438

• Cardinal: 85438 can be written as Eighty-five thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 8.5438 × 10⁴

Factors of 85438

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 42721

Divisors of 85438

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 42719 85438
• Sum of all divisors σ(n): 128160
• Sum of proper divisors (its aliquot sum) s(n): 42722
• 85438 is a deficient number, because the sum of its proper divisors (42722) is less than itself. Its deficiency is 42716

Bases of 85438

• Binary: 10100110110111110₂
• Hexadecimal: 0x14DBE
• Base-36: 1TXA

Squares and roots of 85438

• 85438 squared (85438²) is 7299651844
• 85438 cubed (85438³) is 623667654247672
• The square root of 85438 is 292.2977933547
• The cube root of 85438 is 44.0436893871

Scales and comparisons

• 85,438 seconds is equal to 23 hours, 43 minutes, 58 seconds.
• To count from 1 to 85,438 would take you about twenty-three 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 85438 cubic inches would be around 3.7 feet tall.

Recreational maths with 85438

• 85438 backwards is 83458
• The number of decimal digits it has is: 5
• The sum of 85438's digits is 28
• More coming soon!