2130121801

Names of 2130121801

• Cardinal: 2130121801 can be written as Two billion, one hundred thirty million, one hundred twenty-one thousand, eight hundred one.

Scientific notation

• Scientific notation: 2.130121801 × 10⁹

Factors of 2130121801

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 2130121801

Divisors of 2130121801

• Number of divisors d(n): 2
• Complete list of divisors:
  1 2130121801
• Sum of all divisors σ(n): 2130121802
• Sum of proper divisors (its aliquot sum) s(n): 1
• 2130121801 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2130121800

Bases of 2130121801

• Binary: 1111110111101110001010001001001₂
• Hexadecimal: 0x7EF71449
• Base-36: Z87WI1

Squares and roots of 2130121801

• 2130121801 squared (2130121801²) is 4537418887095483601
• 2130121801 cubed (2130121801³) is 9665254891671247187128085401
• The square root of 2130121801 is 46153.2425838099
• The cube root of 2130121801 is 1286.6728758041

Scales and comparisons

• 2,130,121,801 seconds is equal to 67 years, 38 weeks, 4 hours, 30 minutes, 1 second.
• To count from 1 to 2,130,121,801 would take you about one hundred thirty-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 2130121801 cubic inches would be around 107.2 feet tall.

Recreational maths with 2130121801

• 2130121801 backwards is 1081210312
• The number of decimal digits it has is: 10
• The sum of 2130121801's digits is 19
• More coming soon!