7428961

Names of 7428961

• Cardinal: 7428961 can be written as Seven million, four hundred twenty-eight thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 7.428961 × 10⁶

Factors of 7428961

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 911

Divisors of 7428961

• Number of divisors d(n): 8
• Complete list of divisors:
  1 47 263 601 12361 28247 158063 7428961
• Sum of all divisors σ(n): 7628544
• Sum of proper divisors (its aliquot sum) s(n): 199583
• 7428961 is a deficient number, because the sum of its proper divisors (199583) is less than itself. Its deficiency is 7229378

Bases of 7428961

• Binary: 11100010101101101100001₂
• Hexadecimal: 0x715B61
• Base-36: 4F881

Squares and roots of 7428961

• 7428961 squared (7428961²) is 55189461539521
• 7428961 cubed (7428961³) is 410000357388101467681
• The square root of 7428961 is 2725.6120413587
• The cube root of 7428961 is 195.1234020575

Scales and comparisons

• 7,428,961 seconds is equal to 12 weeks, 1 day, 23 hours, 36 minutes, 1 second.
• To count from 1 to 7,428,961 would take you about eighteen 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 7428961 cubic inches would be around 16.3 feet tall.

Recreational maths with 7428961

• 7428961 backwards is 1698247
• The number of decimal digits it has is: 7
• The sum of 7428961's digits is 37
• More coming soon!