7628428

Names of 7628428

• Cardinal: 7628428 can be written as Seven million, six hundred twenty-eight thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 7.628428 × 10⁶

Factors of 7628428

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1907109

Divisors of 7628428

• Number of divisors d(n): 6
• Complete list of divisors:
  1 2 4 1907107 3814214 7628428
• Sum of all divisors σ(n): 13349756
• Sum of proper divisors (its aliquot sum) s(n): 5721328
• 7628428 is a deficient number, because the sum of its proper divisors (5721328) is less than itself. Its deficiency is 1907100

Bases of 7628428

• Binary: 11101000110011010001100₂
• Hexadecimal: 0x74668C
• Base-36: 4JI4S

Squares and roots of 7628428

• 7628428 squared (7628428²) is 58192913751184
• 7628428 cubed (7628428³) is 443920452661117058752
• The square root of 7628428 is 2761.9608976233
• The cube root of 7628428 is 196.8543505007

Scales and comparisons

• 7,628,428 seconds is equal to 12 weeks, 4 days, 7 hours, 28 seconds.
• To count from 1 to 7,628,428 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 7628428 cubic inches would be around 16.4 feet tall.

Recreational maths with 7628428

• 7628428 backwards is 8248267
• The number of decimal digits it has is: 7
• The sum of 7628428's digits is 37
• More coming soon!