42920209

Names of 42920209

• Cardinal: 42920209 can be written as Forty-two million, nine hundred twenty thousand, two hundred nine.

Scientific notation

• Scientific notation: 4.2920209 × 10⁷

Factors of 42920209

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 42920209

Divisors of 42920209

• Number of divisors d(n): 2
• Complete list of divisors:
  1 42920209
• Sum of all divisors σ(n): 42920210
• Sum of proper divisors (its aliquot sum) s(n): 1
• 42920209 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 42920208

Bases of 42920209

• Binary: 10100011101110100100010001₂
• Hexadecimal: 0x28EE911
• Base-36: PJXG1

Squares and roots of 42920209

• 42920209 squared (42920209²) is 1842144340603681
• 42920209 cubed (42920209³) is 79065220106877174689329
• The square root of 42920209 is 6551.3516925899
• The cube root of 42920209 is 350.1229744743

Scales and comparisons

• 42,920,209 seconds is equal to 1 year, 18 weeks, 6 days, 18 hours, 16 minutes, 49 seconds.
• To count from 1 to 42,920,209 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 42920209 cubic inches would be around 29.2 feet tall.

Recreational maths with 42920209

• 42920209 backwards is 90202924
• The number of decimal digits it has is: 8
• The sum of 42920209's digits is 28
• More coming soon!