1225981

Names of 1225981

• Cardinal: 1225981 can be written as One million, two hundred twenty-five thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 1.225981 × 10⁶

Factors of 1225981

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1225981

Divisors of 1225981

• Number of divisors d(n): 2
• Complete list of divisors:
  1 1225981
• Sum of all divisors σ(n): 1225982
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1225981 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1225980

Bases of 1225981

• Binary: 100101011010011111101₂
• Hexadecimal: 0x12B4FD
• Base-36: Q9Z1

Squares and roots of 1225981

• 1225981 squared (1225981²) is 1503029412361
• 1225981 cubed (1225981³) is 1842685501995751141
• The square root of 1225981 is 1107.2402629963
• The cube root of 1225981 is 107.0273025503

Scales and comparisons

• 1,225,981 seconds is equal to 2 weeks, 4 hours, 33 minutes, 1 second.
• To count from 1 to 1,225,981 would take you about three 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 1225981 cubic inches would be around 8.9 feet tall.

Recreational maths with 1225981

• 1225981 backwards is 1895221
• The number of decimal digits it has is: 7
• The sum of 1225981's digits is 28
• More coming soon!