421628

Names of 421628

• Cardinal: 421628 can be written as Four hundred twenty-one thousand, six hundred twenty-eight.

Scientific notation

• Scientific notation: 4.21628 × 10⁵

Factors of 421628

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 105409

Divisors of 421628

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 105407 210814 421628
• Sum of all divisors σ(n): 737856
• Sum of proper divisors (its aliquot sum) s(n): 316228
• 421628 is a deficient number, because the sum of its proper divisors (316228) is less than itself. Its deficiency is 105400

Bases of 421628

• Binary: 1100110111011111100₂
• Hexadecimal: 0x66EFC
• Base-36: 91BW

Squares and roots of 421628

• 421628 squared (421628²) is 177770170384
• 421628 cubed (421628³) is 74952881398665152
• The square root of 421628 is 649.3288843105
• The cube root of 421628 is 74.9853601055

Scales and comparisons

• 421,628 seconds is equal to 4 days, 21 hours, 7 minutes, 8 seconds.
• To count from 1 to 421,628 would take you about four 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 421628 cubic inches would be around 6.2 feet tall.

Recreational maths with 421628

• 421628 backwards is 826124
• The number of decimal digits it has is: 6
• The sum of 421628's digits is 23
• More coming soon!