38742042

Names of 38742042

• Cardinal: 38742042 can be written as Thirty-eight million, seven hundred forty-two thousand and forty-two.

Scientific notation

• Scientific notation: 3.8742042 × 10⁷

Factors of 38742042

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 6457012

Divisors of 38742042

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 6457007 12914014 19371021 38742042
• Sum of all divisors σ(n): 77484096
• Sum of proper divisors (its aliquot sum) s(n): 38742054
• 38742042 is an abundant number, because the sum of its proper divisors (38742054) is greater than itself. Its abundance is 12

Bases of 38742042

• Binary: 10010011110010100000011010₂
• Hexadecimal: 0x24F281A
• Base-36: N2DJU

Squares and roots of 38742042

• 38742042 squared (38742042²) is 1500945818329764
• 38742042 cubed (38742042³) is 58149705933456086738088
• The square root of 38742042 is 6224.3105642311
• The cube root of 38742042 is 338.3718058823

Scales and comparisons

• 38,742,042 seconds is equal to 1 year, 12 weeks, 9 hours, 40 minutes, 42 seconds.
• To count from 1 to 38,742,042 would take you about forty-four weeks!

  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 38742042 cubic inches would be around 28.2 feet tall.

Recreational maths with 38742042

• 38742042 backwards is 24024783
• The number of decimal digits it has is: 8
• The sum of 38742042's digits is 30
• More coming soon!