145669

Names of 145669

• Cardinal: 145669 can be written as One hundred forty-five thousand, six hundred sixty-nine.

Scientific notation

• Scientific notation: 1.45669 × 10⁵

Factors of 145669

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 195

Divisors of 145669

• Number of divisors d(n): 8
• Complete list of divisors:
  1 31 37 127 1147 3937 4699 145669
• Sum of all divisors σ(n): 155648
• Sum of proper divisors (its aliquot sum) s(n): 9979
• 145669 is a deficient number, because the sum of its proper divisors (9979) is less than itself. Its deficiency is 135690

Bases of 145669

• Binary: 100011100100000101₂
• Hexadecimal: 0x23905
• Base-36: 34ED

Squares and roots of 145669

• 145669 squared (145669²) is 21219457561
• 145669 cubed (145669³) is 3091017163453309
• The square root of 145669 is 381.6660844245
• The cube root of 145669 is 52.6165513413

Scales and comparisons

• 145,669 seconds is equal to 1 day, 16 hours, 27 minutes, 49 seconds.
• To count from 1 to 145,669 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 145669 cubic inches would be around 4.4 feet tall.

Recreational maths with 145669

• 145669 backwards is 966541
• 145669 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 145669's digits is 31
• More coming soon!