189421

Names of 189421

• Cardinal: 189421 can be written as One hundred eighty-nine thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.89421 × 10⁵

Factors of 189421

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 189421

Divisors of 189421

• Number of divisors d(n): 2
• Complete list of divisors:
  1 189421
• Sum of all divisors σ(n): 189422
• Sum of proper divisors (its aliquot sum) s(n): 1
• 189421 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 189420

Bases of 189421

• Binary: 101110001111101101₂
• Hexadecimal: 0x2E3ED
• Base-36: 425P

Squares and roots of 189421

• 189421 squared (189421²) is 35880315241
• 189421 cubed (189421³) is 6796485193265461
• The square root of 189421 is 435.2252290481
• The cube root of 189421 is 57.4305146787

Scales and comparisons

• 189,421 seconds is equal to 2 days, 4 hours, 37 minutes, 1 second.
• To count from 1 to 189,421 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 189421 cubic inches would be around 4.8 feet tall.

Recreational maths with 189421

• 189421 backwards is 124981
• The number of decimal digits it has is: 6
• The sum of 189421's digits is 25
• More coming soon!