18490970

Names of 18490970

• Cardinal: 18490970 can be written as Eighteen million, four hundred ninety thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 1.849097 × 10⁷

Factors of 18490970

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1849104

Divisors of 18490970

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 1849097 3698194 9245485 18490970
• Sum of all divisors σ(n): 33283764
• Sum of proper divisors (its aliquot sum) s(n): 14792794
• 18490970 is a deficient number, because the sum of its proper divisors (14792794) is less than itself. Its deficiency is 3698176

Bases of 18490970

• Binary: 1000110100010011001011010₂
• Hexadecimal: 0x11A265A
• Base-36: B0BQ2

Squares and roots of 18490970

• 18490970 squared (18490970²) is 341915971540900
• 18490970 cubed (18490970³) is 6322357972283635673000
• The square root of 18490970 is 4300.1127892185
• The cube root of 18490970 is 264.4355852447

Scales and comparisons

• 18,490,970 seconds is equal to 30 weeks, 4 days, 22 minutes, 50 seconds.
• To count from 1 to 18,490,970 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 18490970 cubic inches would be around 22 feet tall.

Recreational maths with 18490970

• 18490970 backwards is 07909481
• The number of decimal digits it has is: 8
• The sum of 18490970's digits is 38
• More coming soon!