145399

Names of 145399

• Cardinal: 145399 can be written as One hundred forty-five thousand, three hundred ninety-nine.

Scientific notation

• Scientific notation: 1.45399 × 10⁵

Factors of 145399

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 145399

Divisors of 145399

• Number of divisors d(n): 2
• Complete list of divisors:
  1 145399
• Sum of all divisors σ(n): 145400
• Sum of proper divisors (its aliquot sum) s(n): 1
• 145399 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 145398

Bases of 145399

• Binary: 100011011111110111₂
• Hexadecimal: 0x237F7
• Base-36: 346V

Squares and roots of 145399

• 145399 squared (145399²) is 21140869201
• 145399 cubed (145399³) is 3073861240956199
• The square root of 145399 is 381.3122080397
• The cube root of 145399 is 52.5840226741

Scales and comparisons

• 145,399 seconds is equal to 1 day, 16 hours, 23 minutes, 19 seconds.
• To count from 1 to 145,399 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 145399 cubic inches would be around 4.4 feet tall.

Recreational maths with 145399

• 145399 backwards is 993541
• The number of decimal digits it has is: 6
• The sum of 145399's digits is 31
• More coming soon!