42409997

Names of 42409997

• Cardinal: 42409997 can be written as Forty-two million, four hundred nine thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 4.2409997 × 10⁷

Factors of 42409997

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 140947

Divisors of 42409997

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 43 301 140897 986279 6058571 42409997
• Sum of all divisors σ(n): 49596096
• Sum of proper divisors (its aliquot sum) s(n): 7186099
• 42409997 is a deficient number, because the sum of its proper divisors (7186099) is less than itself. Its deficiency is 35223898

Bases of 42409997

• Binary: 10100001110010000000001101₂
• Hexadecimal: 0x287200D
• Base-36: P8ZRH

Squares and roots of 42409997

• 42409997 squared (42409997²) is 1798607845540009
• 42409997 cubed (42409997³) is 76278953333528245069973
• The square root of 42409997 is 6512.2958317325
• The cube root of 42409997 is 348.7300836081

Scales and comparisons

• 42,409,997 seconds is equal to 1 year, 18 weeks, 20 hours, 33 minutes, 17 seconds.
• To count from 1 to 42,409,997 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 42409997 cubic inches would be around 29.1 feet tall.

Recreational maths with 42409997

• 42409997 backwards is 79990424
• The number of decimal digits it has is: 8
• The sum of 42409997's digits is 44
• More coming soon!