3874386421

Names of 3874386421

• Cardinal: 3874386421 can be written as Three billion, eight hundred seventy-four million, three hundred eighty-six thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 3.874386421 × 10⁹

Factors of 3874386421

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 57826730

Divisors of 3874386421

• Number of divisors d(n): 4
• Complete list of divisors:
  1 67 57826663 3874386421
• Sum of all divisors σ(n): 3932213152
• Sum of proper divisors (its aliquot sum) s(n): 57826731
• 3874386421 is a deficient number, because the sum of its proper divisors (57826731) is less than itself. Its deficiency is 3816559690

Bases of 3874386421

• Binary: 11100110111011100111000111110101₂
• Hexadecimal: 0xE6EE71F5
• Base-36: 1S2PJP1

Squares and roots of 3874386421

• 3874386421 squared (3874386421²) is 15010870139229189241
• 3874386421 cubed (3874386421³) is 58157911434823950202169696461
• The square root of 3874386421 is 62244.5694097083
• The cube root of 3874386421 is 1570.6074192305

Scales and comparisons

• 3,874,386,421 seconds is equal to 123 years, 10 weeks, 10 hours, 27 minutes, 1 second.
• To count from 1 to 3,874,386,421 would take you about two hundred forty-six 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 3874386421 cubic inches would be around 130.9 feet tall.

Recreational maths with 3874386421

• 3874386421 backwards is 1246834783
• The number of decimal digits it has is: 10
• The sum of 3874386421's digits is 46
• More coming soon!