16991290

Names of 16991290

• Cardinal: 16991290 can be written as Sixteen million, nine hundred ninety-one thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.699129 × 10⁷

Factors of 16991290

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1699136

Divisors of 16991290

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 1699129 3398258 8495645 16991290
• Sum of all divisors σ(n): 30584340
• Sum of proper divisors (its aliquot sum) s(n): 13593050
• 16991290 is a deficient number, because the sum of its proper divisors (13593050) is less than itself. Its deficiency is 3398240

Bases of 16991290

• Binary: 1000000110100010000111010₂
• Hexadecimal: 0x103443A
• Base-36: A46KA

Squares and roots of 16991290

• 16991290 squared (16991290²) is 288703935864100
• 16991290 cubed (16991290³) is 4905452298408323689000
• The square root of 16991290 is 4122.0492476437
• The cube root of 16991290 is 257.0842381077

Scales and comparisons

• 16,991,290 seconds is equal to 28 weeks, 15 hours, 48 minutes, 10 seconds.
• To count from 1 to 16,991,290 would take you about forty-two 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 16991290 cubic inches would be around 21.4 feet tall.

Recreational maths with 16991290

• 16991290 backwards is 09219961
• The number of decimal digits it has is: 8
• The sum of 16991290's digits is 37
• More coming soon!