39142397

Names of 39142397

• Cardinal: 39142397 can be written as Thirty-nine million, one hundred forty-two thousand, three hundred ninety-seven.

Scientific notation

• Scientific notation: 3.9142397 × 10⁷

Factors of 39142397

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 5591778

Divisors of 39142397

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 5591771 39142397
• Sum of all divisors σ(n): 44734176
• Sum of proper divisors (its aliquot sum) s(n): 5591779
• 39142397 is a deficient number, because the sum of its proper divisors (5591779) is less than itself. Its deficiency is 33550618

Bases of 39142397

• Binary: 10010101010100001111111101₂
• Hexadecimal: 0x25543FD
• Base-36: NAYGT

Squares and roots of 39142397

• 39142397 squared (39142397²) is 1532127242905609
• 39142397 cubed (39142397³) is 59971132796326781004773
• The square root of 39142397 is 6256.3884949707
• The cube root of 39142397 is 339.5333766133

Scales and comparisons

• 39,142,397 seconds is equal to 1 year, 12 weeks, 5 days, 53 minutes, 17 seconds.
• To count from 1 to 39,142,397 would take you about forty-five 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 39142397 cubic inches would be around 28.3 feet tall.

Recreational maths with 39142397

• 39142397 backwards is 79324193
• The number of decimal digits it has is: 8
• The sum of 39142397's digits is 38
• More coming soon!