421489

Names of 421489

• Cardinal: 421489 can be written as Four hundred twenty-one thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 4.21489 × 10⁵

Factors of 421489

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1330

Divisors of 421489

• Number of divisors d(n): 4
• Complete list of divisors:
  1 521 809 421489
• Sum of all divisors σ(n): 422820
• Sum of proper divisors (its aliquot sum) s(n): 1331
• 421489 is a deficient number, because the sum of its proper divisors (1331) is less than itself. Its deficiency is 420158

Bases of 421489

• Binary: 1100110111001110001₂
• Hexadecimal: 0x66E71
• Base-36: 9181

Squares and roots of 421489

• 421489 squared (421489²) is 177652977121
• 421489 cubed (421489³) is 74878775673753169
• The square root of 421489 is 649.2218418999
• The cube root of 421489 is 74.9771189461

Scales and comparisons

• 421,489 seconds is equal to 4 days, 21 hours, 4 minutes, 49 seconds.
• To count from 1 to 421,489 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 421489 cubic inches would be around 6.2 feet tall.

Recreational maths with 421489

• 421489 backwards is 984124
• The number of decimal digits it has is: 6
• The sum of 421489's digits is 28
• More coming soon!