7449530128

Names of 7449530128

• Cardinal: 7449530128 can be written as Seven billion, four hundred forty-nine million, five hundred thirty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 7.449530128 × 10⁹

Factors of 7449530128

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 465595635

Divisors of 7449530128

• Number of divisors d(n): 10
• Complete list of divisors:
  1 2 4 8 16 465595633 931191266 1862382532 3724765064 7449530128
• Sum of all divisors σ(n): 14433464654
• Sum of proper divisors (its aliquot sum) s(n): 6983934526
• 7449530128 is a deficient number, because the sum of its proper divisors (6983934526) is less than itself. Its deficiency is 465595602

Bases of 7449530128

• Binary: 110111100000001101100111100010000₂
• Hexadecimal: 0x1BC06CF10
• Base-36: 3F79A8G

Squares and roots of 7449530128

• 7449530128 squared (7449530128²) is 55495499127979696384
• 7449530128 cubed (7449530128³) is 413415392722282475984900657152
• The square root of 7449530128 is 86310.6605698277
• The cube root of 7449530128 is 1953.0332043105

Scales and comparisons

• 7,449,530,128 seconds is equal to 236 years, 45 weeks, 2 days, 9 hours, 55 minutes, 28 seconds.
• To count from 1 to 7,449,530,128 would take you about four hundred seventy-three 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 7449530128 cubic inches would be around 162.8 feet tall.

Recreational maths with 7449530128

• 7449530128 backwards is 8210359447
• The number of decimal digits it has is: 10
• The sum of 7449530128's digits is 43
• More coming soon!