29309138

Names of 29309138

• Cardinal: 29309138 can be written as Twenty-nine million, three hundred nine thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 2.9309138 × 10⁷

Factors of 29309138

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 14654571

Divisors of 29309138

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 14654569 29309138
• Sum of all divisors σ(n): 43963710
• Sum of proper divisors (its aliquot sum) s(n): 14654572
• 29309138 is a deficient number, because the sum of its proper divisors (14654572) is less than itself. Its deficiency is 14654566

Bases of 29309138

• Binary: 1101111110011100011010010₂
• Hexadecimal: 0x1BF38D2
• Base-36: HG72Q

Squares and roots of 29309138

• 29309138 squared (29309138²) is 859025570303044
• 29309138 cubed (29309138³) is 25177298985540618416072
• The square root of 29309138 is 5413.7914625521
• The cube root of 29309138 is 308.3195157837

Scales and comparisons

• 29,309,138 seconds is equal to 48 weeks, 3 days, 5 hours, 25 minutes, 38 seconds.
• To count from 1 to 29,309,138 would take you about twenty 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 29309138 cubic inches would be around 25.7 feet tall.

Recreational maths with 29309138

• 29309138 backwards is 83190392
• The number of decimal digits it has is: 8
• The sum of 29309138's digits is 35
• More coming soon!