16945

Names of 16945

• Cardinal: 16945 can be written as Sixteen thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 1.6945 × 10⁴

Factors of 16945

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3394

Divisors of 16945

• Number of divisors d(n): 4
• Complete list of divisors:
  1 5 3389 16945
• Sum of all divisors σ(n): 20340
• Sum of proper divisors (its aliquot sum) s(n): 3395
• 16945 is a deficient number, because the sum of its proper divisors (3395) is less than itself. Its deficiency is 13550

Bases of 16945

• Binary: 100001000110001₂
• Hexadecimal: 0x4231
• Base-36: D2P

Squares and roots of 16945

• 16945 squared (16945²) is 287133025
• 16945 cubed (16945³) is 4865469108625
• The square root of 16945 is 130.1729618623
• The cube root of 16945 is 25.6850564409

Scales and comparisons

• 16,945 seconds is equal to 4 hours, 42 minutes, 25 seconds.
• To count from 1 to 16,945 would take you about four 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 16945 cubic inches would be around 2.1 feet tall.

Recreational maths with 16945

• 16945 backwards is 54961
• The number of decimal digits it has is: 5
• The sum of 16945's digits is 25
• More coming soon!