429

Names of 429

• Cardinal: 429 can be written as Four hundred twenty-nine.

Scientific notation

• Scientific notation: 4.29 × 10²

Factors of 429

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 27

Divisors of 429

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 11 13 33 39 143 429
• Sum of all divisors σ(n): 672
• Sum of proper divisors (its aliquot sum) s(n): 243
• 429 is a deficient number, because the sum of its proper divisors (243) is less than itself. Its deficiency is 186

Bases of 429

• Binary: 110101101₂
• Hexadecimal: 0x1AD
• Base-36: BX

Squares and roots of 429

• 429 squared (429²) is 184041
• 429 cubed (429³) is 78953589
• The square root of 429 is 20.7123151773
• The cube root of 429 is 7.5419867321

Scales and comparisons

• 429 seconds is equal to 7 minutes, 9 seconds.
• To count from 1 to 429 would take you about three 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 429 cubic inches would be around 0.6 feet tall.

Recreational maths with 429

• 429 backwards is 924
• The number of decimal digits it has is: 3
• The sum of 429's digits is 15
• More coming soon!