2139143

Names of 2139143

• Cardinal: 2139143 can be written as Two million, one hundred thirty-nine thousand, one hundred forty-three.

Scientific notation

• Scientific notation: 2.139143 × 10⁶

Factors of 2139143

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 2139143

Divisors of 2139143

• Number of divisors d(n): 2
• Complete list of divisors:
  1 2139143
• Sum of all divisors σ(n): 2139144
• Sum of proper divisors (its aliquot sum) s(n): 1
• 2139143 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 2139142

Bases of 2139143

• Binary: 1000001010010000000111₂
• Hexadecimal: 0x20A407
• Base-36: 19UKN

Squares and roots of 2139143

• 2139143 squared (2139143²) is 4575932774449
• 2139143 cubed (2139143³) is 9788574562933157207
• The square root of 2139143 is 1462.5809379313
• The cube root of 2139143 is 128.8486697683

Scales and comparisons

• 2,139,143 seconds is equal to 3 weeks, 3 days, 18 hours, 12 minutes, 23 seconds.
• To count from 1 to 2,139,143 would take you about five weeks!

  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 2139143 cubic inches would be around 10.7 feet tall.

Recreational maths with 2139143

• 2139143 backwards is 3419312
• The number of decimal digits it has is: 7
• The sum of 2139143's digits is 23
• More coming soon!