16987

Names of 16987

• Cardinal: 16987 can be written as Sixteen thousand, nine hundred eighty-seven.

Scientific notation

• Scientific notation: 1.6987 × 10⁴

Factors of 16987

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 16987

Divisors of 16987

• Number of divisors d(n): 2
• Complete list of divisors:
  1 16987
• Sum of all divisors σ(n): 16988
• Sum of proper divisors (its aliquot sum) s(n): 1
• 16987 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 16986

Bases of 16987

• Binary: 100001001011011₂
• Hexadecimal: 0x425B
• Base-36: D3V

Squares and roots of 16987

• 16987 squared (16987²) is 288558169
• 16987 cubed (16987³) is 4901737616803
• The square root of 16987 is 130.3341858455
• The cube root of 16987 is 25.7062599877

Scales and comparisons

• 16,987 seconds is equal to 4 hours, 43 minutes, 7 seconds.
• To count from 1 to 16,987 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 16987 cubic inches would be around 2.1 feet tall.

Recreational maths with 16987

• 16987 backwards is 78961
• The number of decimal digits it has is: 5
• The sum of 16987's digits is 31
• More coming soon!