1280221

Names of 1280221

• Cardinal: 1280221 can be written as One million, two hundred eighty thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.280221 × 10⁶

Factors of 1280221

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 1280221

Divisors of 1280221

• Number of divisors d(n): 2
• Complete list of divisors:
  1 1280221
• Sum of all divisors σ(n): 1280222
• Sum of proper divisors (its aliquot sum) s(n): 1
• 1280221 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 1280220

Bases of 1280221

• Binary: 100111000100011011101₂
• Hexadecimal: 0x1388DD
• Base-36: RFTP

Squares and roots of 1280221

• 1280221 squared (1280221²) is 1638965808841
• 1280221 cubed (1280221³) is 2098238446760233861
• The square root of 1280221 is 1131.4685148071
• The cube root of 1280221 is 108.5829531199

Scales and comparisons

• 1,280,221 seconds is equal to 2 weeks, 19 hours, 37 minutes, 1 second.
• To count from 1 to 1,280,221 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 1280221 cubic inches would be around 9 feet tall.

Recreational maths with 1280221

• 1280221 backwards is 1220821
• The number of decimal digits it has is: 7
• The sum of 1280221's digits is 16
• More coming soon!