4002621421

Names of 4002621421

• Cardinal: 4002621421 can be written as Four billion, two million, six hundred twenty-one thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 4.002621421 × 10⁹

Factors of 4002621421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 214222

Divisors of 4002621421

• Number of divisors d(n): 4
• Complete list of divisors:
  1 20681 193541 4002621421
• Sum of all divisors σ(n): 4002835644
• Sum of proper divisors (its aliquot sum) s(n): 214223
• 4002621421 is a deficient number, because the sum of its proper divisors (214223) is less than itself. Its deficiency is 4002407198

Bases of 4002621421

• Binary: 11101110100100110010011111101101₂
• Hexadecimal: 0xEE9327ED
• Base-36: 1U722GD

Squares and roots of 4002621421

• 4002621421 squared (4002621421²) is 16020978239848059241
• 4002621421 cubed (4002621421³) is 64125910688190717703303601461
• The square root of 4002621421 is 63266.2739617247
• The cube root of 4002621421 is 1587.7477467809

Scales and comparisons

• 4,002,621,421 seconds is equal to 127 years, 14 weeks, 15 hours, 17 minutes, 1 second.
• To count from 1 to 4,002,621,421 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 4002621421 cubic inches would be around 132.3 feet tall.

Recreational maths with 4002621421

• 4002621421 backwards is 1241262004
• The number of decimal digits it has is: 10
• The sum of 4002621421's digits is 22
• More coming soon!