2147142

Names of 2147142

• Cardinal: 2147142 can be written as Two million, one hundred forty-seven thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 2.147142 × 10⁶

Factors of 2147142

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 15587

Divisors of 2147142

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 3 6 23 46 69 138 15559 31118 46677 93354 357857 715714 1073571 2147142
• Sum of all divisors σ(n): 4481280
• Sum of proper divisors (its aliquot sum) s(n): 2334138
• 2147142 is an abundant number, because the sum of its proper divisors (2334138) is greater than itself. Its abundance is 186996

Bases of 2147142

• Binary: 1000001100001101000110₂
• Hexadecimal: 0x20C346
• Base-36: 1A0QU

Squares and roots of 2147142

• 2147142 squared (2147142²) is 4610218768164
• 2147142 cubed (2147142³) is 9898794346313187288
• The square root of 2147142 is 1465.3129358605
• The cube root of 2147142 is 129.0090733359

Scales and comparisons

• 2,147,142 seconds is equal to 3 weeks, 3 days, 20 hours, 25 minutes, 42 seconds.
• To count from 1 to 2,147,142 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 2147142 cubic inches would be around 10.8 feet tall.

Recreational maths with 2147142

• 2147142 backwards is 2417412
• The number of decimal digits it has is: 7
• The sum of 2147142's digits is 21
• More coming soon!