3640532221

Names of 3640532221

• Cardinal: 3640532221 can be written as Three billion, six hundred forty million, five hundred thirty-two thousand, two hundred twenty-one.

Scientific notation

• Scientific notation: 3.640532221 × 10⁹

Factors of 3640532221

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 191606978

Divisors of 3640532221

• Number of divisors d(n): 4
• Complete list of divisors:
  1 19 191606959 3640532221
• Sum of all divisors σ(n): 3832139200
• Sum of proper divisors (its aliquot sum) s(n): 191606979
• 3640532221 is a deficient number, because the sum of its proper divisors (191606979) is less than itself. Its deficiency is 3448925242

Bases of 3640532221

• Binary: 11011000111111100001110011111101₂
• Hexadecimal: 0xD8FE1CFD
• Base-36: 1O7H8N1

Squares and roots of 3640532221

• 3640532221 squared (3640532221²) is 13253474852139192841
• 3640532221 cubed (3640532221³) is 48249702239425942314593029861
• The square root of 3640532221 is 60336.8230933649
• The cube root of 3640532221 is 1538.3493052443

Scales and comparisons

• 3,640,532,221 seconds is equal to 115 years, 39 weeks, 2 days, 18 hours, 57 minutes, 1 second.
• To count from 1 to 3,640,532,221 would take you about two hundred thirty-one 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 3640532221 cubic inches would be around 128.2 feet tall.

Recreational maths with 3640532221

• 3640532221 backwards is 1222350463
• The number of decimal digits it has is: 10
• The sum of 3640532221's digits is 28
• More coming soon!