10221

Names of 10221

• Cardinal: 10221 can be written as Ten thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 1.0221 × 10⁴

Factors of 10221

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 3410

Divisors of 10221

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 3407 10221
• Sum of all divisors σ(n): 13632
• Sum of proper divisors (its aliquot sum) s(n): 3411
• 10221 is a deficient number, because the sum of its proper divisors (3411) is less than itself. Its deficiency is 6810

Bases of 10221

• Binary: 10011111101101₂
• Hexadecimal: 0x27ED
• Base-36: 7VX

Squares and roots of 10221

• 10221 squared (10221²) is 104468841
• 10221 cubed (10221³) is 1067776023861
• The square root of 10221 is 101.0989614189
• The cube root of 10221 is 21.7019019053

Scales and comparisons

• 10,221 seconds is equal to 2 hours, 50 minutes, 21 seconds.
• To count from 1 to 10,221 would take you about two 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 10221 cubic inches would be around 1.8 feet tall.

Recreational maths with 10221

• 10221 backwards is 12201
• The number of decimal digits it has is: 5
• The sum of 10221's digits is 6
• More coming soon!