27990142

Names of 27990142

• Cardinal: 27990142 can be written as Twenty-seven million, nine hundred ninety thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 2.7990142 × 10⁷

Factors of 27990142

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 10922

Divisors of 27990142

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 1483 2966 9437 18874 13995071 27990142
• Sum of all divisors σ(n): 42017976
• Sum of proper divisors (its aliquot sum) s(n): 14027834
• 27990142 is a deficient number, because the sum of its proper divisors (14027834) is less than itself. Its deficiency is 13962308

Bases of 27990142

• Binary: 1101010110001100001111110₂
• Hexadecimal: 0x1AB187E
• Base-36: GNXBY

Squares and roots of 27990142

• 27990142 squared (27990142²) is 783448049180164
• 27990142 cubed (27990142³) is 21928822146175773943288
• The square root of 27990142 is 5290.5710466829
• The cube root of 27990142 is 303.6232564639

Scales and comparisons

• 27,990,142 seconds is equal to 46 weeks, 1 day, 23 hours, 2 minutes, 22 seconds.
• To count from 1 to 27,990,142 would take you about seventeen 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 27990142 cubic inches would be around 25.3 feet tall.

Recreational maths with 27990142

• 27990142 backwards is 24109972
• The number of decimal digits it has is: 8
• The sum of 27990142's digits is 34
• More coming soon!