2142804421

Names of 2142804421

• Cardinal: 2142804421 can be written as Two billion, one hundred forty-two million, eight hundred four thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 2.142804421 × 10⁹

Factors of 2142804421

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 981683

Divisors of 2142804421

• Number of divisors d(n): 8
• Complete list of divisors:
  1 37 59 2183 981587 36318719 57913633 2142804421
• Sum of all divisors σ(n): 2238020640
• Sum of proper divisors (its aliquot sum) s(n): 95216219
• 2142804421 is a deficient number, because the sum of its proper divisors (95216219) is less than itself. Its deficiency is 2047588202

Bases of 2142804421

• Binary: 1111111101110001001100111000101₂
• Hexadecimal: 0x7FB899C5
• Base-36: ZFRQH1

Squares and roots of 2142804421

• 2142804421 squared (2142804421²) is 4591610786657145241
• 2142804421 cubed (2142804421³) is 9838923893160218633653910461
• The square root of 2142804421 is 46290.4355239829
• The cube root of 2142804421 is 1289.2214160817

Scales and comparisons

• 2,142,804,421 seconds is equal to 68 years, 6 weeks, 6 days, 23 hours, 27 minutes, 1 second.
• To count from 1 to 2,142,804,421 would take you about one hundred thirty-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 2142804421 cubic inches would be around 107.4 feet tall.

Recreational maths with 2142804421

• 2142804421 backwards is 1244082412
• The number of decimal digits it has is: 10
• The sum of 2142804421's digits is 28
• More coming soon!