27428947

Names of 27428947

• Cardinal: 27428947 can be written as Twenty-seven million, four hundred twenty-eight thousand, nine hundred forty-seven.

Scientific notation

• Scientific notation: 2.7428947 × 10⁷

Factors of 27428947

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 4222

Divisors of 27428947

• Number of divisors d(n): 16
• Complete list of divisors:
  1 7 13 73 91 511 949 4129 6643 28903 53677 301417 375739 2109919 3918421 27428947
• Sum of all divisors σ(n): 34229440
• Sum of proper divisors (its aliquot sum) s(n): 6800493
• 27428947 is a deficient number, because the sum of its proper divisors (6800493) is less than itself. Its deficiency is 20628454

Bases of 27428947

• Binary: 1101000101000100001010011₂
• Hexadecimal: 0x1A28853
• Base-36: GBWB7

Squares and roots of 27428947

• 27428947 squared (27428947²) is 752347133528809
• 27428947 cubed (27428947³) is 20636089651163625034123
• The square root of 27428947 is 5237.2652214681
• The cube root of 27428947 is 301.5803529231

Scales and comparisons

• 27,428,947 seconds is equal to 45 weeks, 2 days, 11 hours, 9 minutes, 7 seconds.
• To count from 1 to 27,428,947 would take you about sixteen 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 27428947 cubic inches would be around 25.1 feet tall.

Recreational maths with 27428947

• 27428947 backwards is 74982472
• The number of decimal digits it has is: 8
• The sum of 27428947's digits is 43
• More coming soon!