145009

Names of 145009

• Cardinal: 145009 can be written as One hundred forty-five thousand and nine.

Scientific notation

• Scientific notation: 1.45009 × 10⁵

Factors of 145009

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 145009

Divisors of 145009

• Number of divisors d(n): 2
• Complete list of divisors:
  1 145009
• Sum of all divisors σ(n): 145010
• Sum of proper divisors (its aliquot sum) s(n): 1
• 145009 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 145008

Bases of 145009

• Binary: 100011011001110001₂
• Hexadecimal: 0x23671
• Base-36: 33W1

Squares and roots of 145009

• 145009 squared (145009²) is 21027610081
• 145009 cubed (145009³) is 3049192710235729
• The square root of 145009 is 380.8004726887
• The cube root of 145009 is 52.5369656517

Scales and comparisons

• 145,009 seconds is equal to 1 day, 16 hours, 16 minutes, 49 seconds.
• To count from 1 to 145,009 would take you about sixteen 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 145009 cubic inches would be around 4.4 feet tall.

Recreational maths with 145009

• 145009 backwards is 900541
• The number of decimal digits it has is: 6
• The sum of 145009's digits is 19
• More coming soon!