3858242221

Names of 3858242221

• Cardinal: 3858242221 can be written as Three billion, eight hundred fifty-eight million, two hundred forty-two thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 3.858242221 × 10⁹

Factors of 3858242221

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 16463

Divisors of 3858242221

• Number of divisors d(n): 8
• Complete list of divisors:
  1 97 2969 13397 287993 1299509 39775693 3858242221
• Sum of all divisors σ(n): 3899621880
• Sum of proper divisors (its aliquot sum) s(n): 41379659
• 3858242221 is a deficient number, because the sum of its proper divisors (41379659) is less than itself. Its deficiency is 3816862562

Bases of 3858242221

• Binary: 11100101111110000001101010101101₂
• Hexadecimal: 0xE5F81AAD
• Base-36: 1RT3IR1

Squares and roots of 3858242221

• 3858242221 squared (3858242221²) is 14886033035907012841
• 3858242221 cubed (3858242221³) is 57433921162337245973135359861
• The square root of 3858242221 is 62114.7504301515
• The cube root of 3858242221 is 1568.4228581795

Scales and comparisons

• 3,858,242,221 seconds is equal to 122 years, 35 weeks, 2 days, 13 hours, 57 minutes, 1 second.
• To count from 1 to 3,858,242,221 would take you about two hundred forty-five 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 3858242221 cubic inches would be around 130.7 feet tall.

Recreational maths with 3858242221

• 3858242221 backwards is 1222428583
• The number of decimal digits it has is: 10
• The sum of 3858242221's digits is 37
• More coming soon!