31990223

Names of 31990223

• Cardinal: 31990223 can be written as Thirty-one million, nine hundred ninety thousand, two hundred twenty-three.

Scientific notation

• Scientific notation: 3.1990223 × 10⁷

Factors of 31990223

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 57384

Divisors of 31990223

• Number of divisors d(n): 4
• Complete list of divisors:
  1 563 56821 31990223
• Sum of all divisors σ(n): 32047608
• Sum of proper divisors (its aliquot sum) s(n): 57385
• 31990223 is a deficient number, because the sum of its proper divisors (57385) is less than itself. Its deficiency is 31932838

Bases of 31990223

• Binary: 1111010000010000111001111₂
• Hexadecimal: 0x1E821CF
• Base-36: J1NTB

Squares and roots of 31990223

• 31990223 squared (31990223²) is 1023374367589729
• 31990223 cubed (31990223³) is 32737974231679403219567
• The square root of 31990223 is 5655.9900105993
• The cube root of 31990223 is 317.4478737249

Scales and comparisons

• 31,990,223 seconds is equal to 1 year, 6 days, 6 hours, 10 minutes, 23 seconds.
• To count from 1 to 31,990,223 would take you about twenty-seven weeks!

  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 31990223 cubic inches would be around 26.5 feet tall.

Recreational maths with 31990223

• 31990223 backwards is 32209913
• The number of decimal digits it has is: 8
• The sum of 31990223's digits is 29
• More coming soon!