855217442

Names of 855217442

• Cardinal: 855217442 can be written as Eight hundred fifty-five million, two hundred seventeen thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 8.55217442 × 10⁸

Factors of 855217442

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 16213

Divisors of 855217442

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 41 82 673 1346 15497 27593 30994 55186 635377 1270754 10429481 20858962 427608721 855217442
• Sum of all divisors σ(n): 1316152152
• Sum of proper divisors (its aliquot sum) s(n): 460934710
• 855217442 is a deficient number, because the sum of its proper divisors (460934710) is less than itself. Its deficiency is 394282732

Bases of 855217442

• Binary: 110010111110011001010100100010₂
• Hexadecimal: 0x32F99522
• Base-36: E56A02

Squares and roots of 855217442

• 855217442 squared (855217442²) is 731396873101023364
• 855217442 cubed (855217442³) is 625503362900255808942314888
• The square root of 855217442 is 29244.1009778041
• The cube root of 855217442 is 949.2024486263

Scales and comparisons

• 855,217,442 seconds is equal to 27 years, 10 weeks, 8 hours, 24 minutes, 2 seconds.
• To count from 1 to 855,217,442 would take you about forty 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 855217442 cubic inches would be around 79.1 feet tall.

Recreational maths with 855217442

• 855217442 backwards is 244712558
• The number of decimal digits it has is: 9
• The sum of 855217442's digits is 38
• More coming soon!