220421

Names of 220421

• Cardinal: 220421 can be written as Two hundred twenty thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 2.20421 × 10⁵

Factors of 220421

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 220421

Divisors of 220421

• Number of divisors d(n): 2
• Complete list of divisors:
  1 220421
• Sum of all divisors σ(n): 220422
• Sum of proper divisors (its aliquot sum) s(n): 1
• 220421 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 220420

Bases of 220421

• Binary: 110101110100000101₂
• Hexadecimal: 0x35D05
• Base-36: 4Q2T

Squares and roots of 220421

• 220421 squared (220421²) is 48585417241
• 220421 cubed (220421³) is 10709246253678461
• The square root of 220421 is 469.4901489917
• The cube root of 220421 is 60.4065903661

Scales and comparisons

• 220,421 seconds is equal to 2 days, 13 hours, 13 minutes, 41 seconds.
• To count from 1 to 220,421 would take you about two days.

  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 220421 cubic inches would be around 5 feet tall.

Recreational maths with 220421

• 220421 backwards is 124022
• The number of decimal digits it has is: 6
• The sum of 220421's digits is 11
• More coming soon!