42009429

Names of 42009429

• Cardinal: 42009429 can be written as Forty-two million, nine thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 4.2009429 × 10⁷

Factors of 42009429

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 6321

Divisors of 42009429

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 7 11 21 29 33 77 87 203 231 319 609 957 2233 6271 6699 18813 43897 68981 131691 181859 206943 482867 545577 1273013 1448601 2000449 3819039 6001347 14003143 42009429
• Sum of all divisors σ(n): 72253440
• Sum of proper divisors (its aliquot sum) s(n): 30244011
• 42009429 is a deficient number, because the sum of its proper divisors (30244011) is less than itself. Its deficiency is 11765418

Bases of 42009429

• Binary: 10100000010000001101010101₂
• Hexadecimal: 0x2810355
• Base-36: P0EOL

Squares and roots of 42009429

• 42009429 squared (42009429²) is 1764792124906041
• 42009429 cubed (42009429³) is 74137909470999461060589
• The square root of 42009429 is 6481.4681207269
• The cube root of 42009429 is 347.6286748083

Scales and comparisons

• 42,009,429 seconds is equal to 1 year, 17 weeks, 3 days, 5 hours, 17 minutes, 9 seconds.
• To count from 1 to 42,009,429 would take you about two years!

  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 42009429 cubic inches would be around 29 feet tall.

Recreational maths with 42009429

• 42009429 backwards is 92490024
• The number of decimal digits it has is: 8
• The sum of 42009429's digits is 30
• More coming soon!