3998296421

Names of 3998296421

• Cardinal: 3998296421 can be written as Three billion, nine hundred ninety-eight million, two hundred ninety-six thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 3.998296421 × 10⁹

Factors of 3998296421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 571185210

Divisors of 3998296421

• Number of divisors d(n): 4
• Complete list of divisors:
  1 7 571185203 3998296421
• Sum of all divisors σ(n): 4569481632
• Sum of proper divisors (its aliquot sum) s(n): 571185211
• 3998296421 is a deficient number, because the sum of its proper divisors (571185211) is less than itself. Its deficiency is 3427111210

Bases of 3998296421

• Binary: 11101110010100010010100101100101₂
• Hexadecimal: 0xEE512965
• Base-36: 1U4HD9H

Squares and roots of 3998296421

• 3998296421 squared (3998296421²) is 15986374270181409241
• 3998296421 cubed (3998296421³) is 63918263029232815589026626461
• The square root of 3998296421 is 63232.0837945421
• The cube root of 3998296421 is 1587.1756647099

Scales and comparisons

• 3,998,296,421 seconds is equal to 127 years, 6 weeks, 6 days, 13 hours, 53 minutes, 41 seconds.
• To count from 1 to 3,998,296,421 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 3998296421 cubic inches would be around 132.3 feet tall.

Recreational maths with 3998296421

• 3998296421 backwards is 1246928993
• The number of decimal digits it has is: 10
• The sum of 3998296421's digits is 53
• More coming soon!