1220147

Names of 1220147

• Cardinal: 1220147 can be written as One million, two hundred twenty thousand, one hundred forty-seven.

Scientific notation

• Scientific notation: 1.220147 × 10⁶

Factors of 1220147

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1220147

Divisors of 1220147

• Number of divisors d(n): 2
• Complete list of divisors:
  1 1220147
• Sum of all divisors σ(n): 1220148
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1220147 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1220146

Bases of 1220147

• Binary: 100101001111000110011₂
• Hexadecimal: 0x129E33
• Base-36: Q5GZ

Squares and roots of 1220147

• 1220147 squared (1220147²) is 1488758701609
• 1220147 cubed (1220147³) is 1816504463492116523
• The square root of 1220147 is 1104.6026434875
• The cube root of 1220147 is 106.8572644783

Scales and comparisons

• 1,220,147 seconds is equal to 2 weeks, 2 hours, 55 minutes, 47 seconds.
• To count from 1 to 1,220,147 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 1220147 cubic inches would be around 8.9 feet tall.

Recreational maths with 1220147

• 1220147 backwards is 7410221
• The number of decimal digits it has is: 7
• The sum of 1220147's digits is 17
• More coming soon!