66428

Names of 66428

• Cardinal: 66428 can be written as Sixty-six thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 6.6428 × 10⁴

Factors of 66428

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 16609

Divisors of 66428

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 16607 33214 66428
• Sum of all divisors σ(n): 116256
• Sum of proper divisors (its aliquot sum) s(n): 49828
• 66428 is a deficient number, because the sum of its proper divisors (49828) is less than itself. Its deficiency is 16600

Bases of 66428

• Binary: 10000001101111100₂
• Hexadecimal: 0x1037C
• Base-36: 1F98

Squares and roots of 66428

• 66428 squared (66428²) is 4412679184
• 66428 cubed (66428³) is 293125452834752
• The square root of 66428 is 257.7362993449
• The cube root of 66428 is 40.4995681507

Scales and comparisons

• 66,428 seconds is equal to 18 hours, 27 minutes, 8 seconds.
• To count from 1 to 66,428 would take you about eighteen 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 66428 cubic inches would be around 3.4 feet tall.

Recreational maths with 66428

• 66428 backwards is 82466
• The number of decimal digits it has is: 5
• The sum of 66428's digits is 26
• More coming soon!