18529949

Names of 18529949

• Cardinal: 18529949 can be written as Eighteen million, five hundred twenty-nine thousand, nine hundred forty-nine.

Scientific notation

• Scientific notation: 1.8529949 × 10⁷

Factors of 18529949

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 2115

Divisors of 18529949

• Number of divisors d(n): 8
• Complete list of divisors:
  1 17 947 1151 16099 19567 1089997 18529949
• Sum of all divisors σ(n): 19657728
• Sum of proper divisors (its aliquot sum) s(n): 1127779
• 18529949 is a deficient number, because the sum of its proper divisors (1127779) is less than itself. Its deficiency is 17402170

Bases of 18529949

• Binary: 1000110101011111010011101₂
• Hexadecimal: 0x11ABE9D
• Base-36: B15ST

Squares and roots of 18529949

• 18529949 squared (18529949²) is 343359009942601
• 18529949 cubed (18529949³) is 6362424942926889457349
• The square root of 18529949 is 4304.6427261737
• The cube root of 18529949 is 264.6212650737

Scales and comparisons

• 18,529,949 seconds is equal to 30 weeks, 4 days, 11 hours, 12 minutes, 29 seconds.
• To count from 1 to 18,529,949 would take you about forty-five 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 18529949 cubic inches would be around 22.1 feet tall.

Recreational maths with 18529949

• 18529949 backwards is 94992581
• The number of decimal digits it has is: 8
• The sum of 18529949's digits is 47
• More coming soon!