2142385

Names of 2142385

• Cardinal: 2142385 can be written as Two million, one hundred forty-two thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 2.142385 × 10⁶

Factors of 2142385

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 61223

Divisors of 2142385

• Number of divisors d(n): 8
• Complete list of divisors:
  1 5 7 35 61211 306055 428477 2142385
• Sum of all divisors σ(n): 2938176
• Sum of proper divisors (its aliquot sum) s(n): 795791
• 2142385 is a deficient number, because the sum of its proper divisors (795791) is less than itself. Its deficiency is 1346594

Bases of 2142385

• Binary: 1000001011000010110001₂
• Hexadecimal: 0x20B0B1
• Base-36: 19X2P

Squares and roots of 2142385

• 2142385 squared (2142385²) is 4589813488225
• 2142385 cubed (2142385³) is 9833147569970916625
• The square root of 2142385 is 1463.6888330517
• The cube root of 2142385 is 128.9137295507

Scales and comparisons

• 2,142,385 seconds is equal to 3 weeks, 3 days, 19 hours, 6 minutes, 25 seconds.
• To count from 1 to 2,142,385 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 2142385 cubic inches would be around 10.7 feet tall.

Recreational maths with 2142385

• 2142385 backwards is 5832412
• The number of decimal digits it has is: 7
• The sum of 2142385's digits is 25
• More coming soon!