1622891021

Names of 1622891021

• Cardinal: 1622891021 can be written as One billion, six hundred twenty-two million, eight hundred ninety-one thousand and twenty-one.

Scientific notation

• Scientific notation: 1.622891021 × 10⁹

Factors of 1622891021

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 9259

Divisors of 1622891021

• Number of divisors d(n): 8
• Complete list of divisors:
  1 239 829 8191 198131 1957649 6790339 1622891021
• Sum of all divisors σ(n): 1631846400
• Sum of proper divisors (its aliquot sum) s(n): 8955379
• 1622891021 is a deficient number, because the sum of its proper divisors (8955379) is less than itself. Its deficiency is 1613935642

Bases of 1622891021

• Binary: 1100000101110110101101000001101₂
• Hexadecimal: 0x60BB5A0D
• Base-36: QU86Q5

Squares and roots of 1622891021

• 1622891021 squared (1622891021²) is 2633775266042422441
• 1622891021 cubed (1622891021³) is 4274330230592133584587802261
• The square root of 1622891021 is 40285.1215835325
• The cube root of 1622891021 is 1175.1585169569

Scales and comparisons

• 1,622,891,021 seconds is equal to 51 years, 31 weeks, 2 days, 11 hours, 3 minutes, 41 seconds.
• To count from 1 to 1,622,891,021 would take you about one hundred three 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 1622891021 cubic inches would be around 97.9 feet tall.

Recreational maths with 1622891021

• 1622891021 backwards is 1201982261
• The number of decimal digits it has is: 10
• The sum of 1622891021's digits is 32
• More coming soon!