30998161

Names of 30998161

• Cardinal: 30998161 can be written as Thirty million, nine hundred ninety-eight thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 3.0998161 × 10⁷

Factors of 30998161

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 30998161

Divisors of 30998161

• Number of divisors d(n): 2
• Complete list of divisors:
  1 30998161
• Sum of all divisors σ(n): 30998162
• Sum of proper divisors (its aliquot sum) s(n): 1
• 30998161 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 30998160

Bases of 30998161

• Binary: 1110110001111111010010001₂
• Hexadecimal: 0x1D8FE91
• Base-36: IGEC1

Squares and roots of 30998161

• 30998161 squared (30998161²) is 960885985381921
• 30998161 cubed (30998161³) is 29785698477512433647281
• The square root of 30998161 is 5567.5992133055
• The cube root of 30998161 is 314.1318532893

Scales and comparisons

• 30,998,161 seconds is equal to 51 weeks, 1 day, 18 hours, 36 minutes, 1 second.
• To count from 1 to 30,998,161 would take you about twenty-four 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 30998161 cubic inches would be around 26.2 feet tall.

Recreational maths with 30998161

• 30998161 backwards is 16189903
• The number of decimal digits it has is: 8
• The sum of 30998161's digits is 37
• More coming soon!