30961

Names of 30961

• Cardinal: 30961 can be written as Thirty thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 3.0961 × 10⁴

Factors of 30961

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 4430

Divisors of 30961

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 4423 30961
• Sum of all divisors σ(n): 35392
• Sum of proper divisors (its aliquot sum) s(n): 4431
• 30961 is a deficient number, because the sum of its proper divisors (4431) is less than itself. Its deficiency is 26530

Bases of 30961

• Binary: 111100011110001₂
• Hexadecimal: 0x78F1
• Base-36: NW1

Squares and roots of 30961

• 30961 squared (30961²) is 958583521
• 30961 cubed (30961³) is 29678704393681
• The square root of 30961 is 175.9573812033
• The cube root of 30961 is 31.4006274635

Scales and comparisons

• 30,961 seconds is equal to 8 hours, 36 minutes, 1 second.
• To count from 1 to 30,961 would take you about eight 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 30961 cubic inches would be around 2.6 feet tall.

Recreational maths with 30961

• 30961 backwards is 16903
• The number of decimal digits it has is: 5
• The sum of 30961's digits is 19
• More coming soon!