4005129

Names of 4005129

• Cardinal: 4005129 can be written as Four million, five thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 4.005129 × 10⁶

Factors of 4005129

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1335046

Divisors of 4005129

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 1335043 4005129
• Sum of all divisors σ(n): 5340176
• Sum of proper divisors (its aliquot sum) s(n): 1335047
• 4005129 is a deficient number, because the sum of its proper divisors (1335047) is less than itself. Its deficiency is 2670082

Bases of 4005129

• Binary: 1111010001110100001001₂
• Hexadecimal: 0x3D1D09
• Base-36: 2DUDL

Squares and roots of 4005129

• 4005129 squared (4005129²) is 16041058306641
• 4005129 cubed (4005129³) is 64246507814618761689
• The square root of 4005129 is 2001.2818392221
• The cube root of 4005129 is 158.8079243847

Scales and comparisons

• 4,005,129 seconds is equal to 6 weeks, 4 days, 8 hours, 32 minutes, 9 seconds.
• To count from 1 to 4,005,129 would take you about nine weeks!

  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 4005129 cubic inches would be around 13.2 feet tall.

Recreational maths with 4005129

• 4005129 backwards is 9215004
• The number of decimal digits it has is: 7
• The sum of 4005129's digits is 21
• More coming soon!