149909

Names of 149909

• Cardinal: 149909 can be written as One hundred forty-nine thousand, nine hundred nine.

Scientific notation

• Scientific notation: 1.49909 × 10⁵

Factors of 149909

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 149909

Divisors of 149909

• Number of divisors d(n): 2
• Complete list of divisors:
  1 149909
• Sum of all divisors σ(n): 149910
• Sum of proper divisors (its aliquot sum) s(n): 1
• 149909 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 149908

Bases of 149909

• Binary: 100100100110010101₂
• Hexadecimal: 0x24995
• Base-36: 37O5

Squares and roots of 149909

• 149909 squared (149909²) is 22472708281
• 149909 cubed (149909³) is 3368861225696429
• The square root of 149909 is 387.1808363027
• The cube root of 149909 is 53.1221816267

Scales and comparisons

• 149,909 seconds is equal to 1 day, 17 hours, 38 minutes, 29 seconds.
• To count from 1 to 149,909 would take you about seventeen hours.

  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 149909 cubic inches would be around 4.4 feet tall.

Recreational maths with 149909

• 149909 backwards is 909941
• 149909 is a twin prime! Its twin is 149911
• The number of decimal digits it has is: 6
• The sum of 149909's digits is 32
• More coming soon!