705

Names of 705

• Cardinal: 705 can be written as Seven hundred five.

Scientific notation

• Scientific notation: 7.05 × 10²

Factors of 705

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 55

Divisors of 705

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 5 15 47 141 235 705
• Sum of all divisors σ(n): 1152
• Sum of proper divisors (its aliquot sum) s(n): 447
• 705 is a deficient number, because the sum of its proper divisors (447) is less than itself. Its deficiency is 258

Bases of 705

• Binary: 1011000001₂
• Hexadecimal: 0x2C1
• Base-36: JL

Squares and roots of 705

• 705 squared (705²) is 497025
• 705 cubed (705³) is 350402625
• The square root of 705 is 26.5518360947
• The cube root of 705 is 8.9001304529

Scales and comparisons

• 705 seconds is equal to 11 minutes, 45 seconds.
• To count from 1 to 705 would take you about five minutes.

  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 705 cubic inches would be around 0.7 feet tall.

Recreational maths with 705

• 705 backwards is 507
• The number of decimal digits it has is: 3
• The sum of 705's digits is 12
• More coming soon!