28929

Names of 28929

• Cardinal: 28929 can be written as Twenty-eight thousand, nine hundred twenty-nine.

Scientific notation

• Scientific notation: 2.8929 × 10⁴

Factors of 28929

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 9646

Divisors of 28929

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 9643 28929
• Sum of all divisors σ(n): 38576
• Sum of proper divisors (its aliquot sum) s(n): 9647
• 28929 is a deficient number, because the sum of its proper divisors (9647) is less than itself. Its deficiency is 19282

Bases of 28929

• Binary: 111000100000001₂
• Hexadecimal: 0x7101
• Base-36: MBL

Squares and roots of 28929

• 28929 squared (28929²) is 836887041
• 28929 cubed (28929³) is 24210305209089
• The square root of 28929 is 170.0852727311
• The cube root of 28929 is 30.6980748367

Scales and comparisons

• 28,929 seconds is equal to 8 hours, 2 minutes, 9 seconds.
• To count from 1 to 28,929 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 28929 cubic inches would be around 2.6 feet tall.

Recreational maths with 28929

• 28929 backwards is 92982
• The number of decimal digits it has is: 5
• The sum of 28929's digits is 30
• More coming soon!