29742151

Names of 29742151

• Cardinal: 29742151 can be written as Twenty-nine million, seven hundred forty-two thousand, one hundred fifty-one.

Scientific notation

• Scientific notation: 2.9742151 × 10⁷

Factors of 29742151

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1293160

Divisors of 29742151

• Number of divisors d(n): 4
• Complete list of divisors:
  1 23 1293137 29742151
• Sum of all divisors σ(n): 31035312
• Sum of proper divisors (its aliquot sum) s(n): 1293161
• 29742151 is a deficient number, because the sum of its proper divisors (1293161) is less than itself. Its deficiency is 28448990

Bases of 29742151

• Binary: 1110001011101010001000111₂
• Hexadecimal: 0x1C5D447
• Base-36: HPH6V

Squares and roots of 29742151

• 29742151 squared (29742151²) is 884595546106801
• 29742151 cubed (29742151³) is 26309774306235937468951
• The square root of 29742151 is 5453.6364932035
• The cube root of 29742151 is 309.8304692197

Scales and comparisons

• 29,742,151 seconds is equal to 49 weeks, 1 day, 5 hours, 42 minutes, 31 seconds.
• To count from 1 to 29,742,151 would take you about twenty-one 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 29742151 cubic inches would be around 25.8 feet tall.

Recreational maths with 29742151

• 29742151 backwards is 15124792
• The number of decimal digits it has is: 8
• The sum of 29742151's digits is 31
• More coming soon!