3999004221

Names of 3999004221

• Cardinal: 3999004221 can be written as Three billion, nine hundred ninety-nine million, four thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 3.999004221 × 10⁹

Factors of 3999004221

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 87955

Divisors of 3999004221

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 19463 58389 68489 205467 1333001407 3999004221
• Sum of all divisors σ(n): 5332357440
• Sum of proper divisors (its aliquot sum) s(n): 1333353219
• 3999004221 is a deficient number, because the sum of its proper divisors (1333353219) is less than itself. Its deficiency is 2665651002

Bases of 3999004221

• Binary: 11101110010110111111011000111101₂
• Hexadecimal: 0xEE5BF63D
• Base-36: 1U4WJEL

Squares and roots of 3999004221

• 3999004221 squared (3999004221²) is 15992034759575816841
• 3999004221 cubed (3999004221³) is 63952214505922411716681885861
• The square root of 3999004221 is 63237.6803891477
• The cube root of 3999004221 is 1587.2693159833

Scales and comparisons

• 3,999,004,221 seconds is equal to 127 years, 8 weeks, 18 hours, 30 minutes, 21 seconds.
• To count from 1 to 3,999,004,221 would take you about two hundred fifty-four years!

  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 3999004221 cubic inches would be around 132.3 feet tall.

Recreational maths with 3999004221

• 3999004221 backwards is 1224009993
• The number of decimal digits it has is: 10
• The sum of 3999004221's digits is 39
• More coming soon!