85439

Names of 85439

• Cardinal: 85439 can be written as Eighty-five thousand, four hundred thirty-nine.

Scientific notation

• Scientific notation: 8.5439 × 10⁴

Factors of 85439

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 85439

Divisors of 85439

• Number of divisors d(n): 2
• Complete list of divisors:
  1 85439
• Sum of all divisors σ(n): 85440
• Sum of proper divisors (its aliquot sum) s(n): 1
• 85439 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 85438

Bases of 85439

• Binary: 10100110110111111₂
• Hexadecimal: 0x14DBF
• Base-36: 1TXB

Squares and roots of 85439

• 85439 squared (85439²) is 7299822721
• 85439 cubed (85439³) is 623689553459519
• The square root of 85439 is 292.2995039337
• The cube root of 85439 is 44.0438612213

Scales and comparisons

• 85,439 seconds is equal to 23 hours, 43 minutes, 59 seconds.
• To count from 1 to 85,439 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 85439 cubic inches would be around 3.7 feet tall.

Recreational maths with 85439

• 85439 backwards is 93458
• The number of decimal digits it has is: 5
• The sum of 85439's digits is 29
• More coming soon!