1656

Names of 1656

• Cardinal: 1656 can be written as One thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 1.656 × 10³

Factors of 1656

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 28

Divisors of 1656

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 138 184 207 276 414 552 828 1656
• Sum of all divisors σ(n): 4680
• Sum of proper divisors (its aliquot sum) s(n): 3024
• 1656 is an abundant number, because the sum of its proper divisors (3024) is greater than itself. Its abundance is 1368

Bases of 1656

• Binary: 11001111000₂
• Hexadecimal: 0x678
• Base-36: 1A0

Squares and roots of 1656

• 1656 squared (1656²) is 2742336
• 1656 cubed (1656³) is 4541308416
• The square root of 1656 is 40.6939798989
• The cube root of 1656 is 11.8309633993

Scales and comparisons

• 1,656 seconds is equal to 27 minutes, 36 seconds.
• To count from 1 to 1,656 would take you about twenty-seven 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 1656 cubic inches would be around 1 feet tall.

Recreational maths with 1656

• 1656 backwards is 6561
• 1656 is a Harshad number.
• The number of decimal digits it has is: 4
• The sum of 1656's digits is 18
• More coming soon!