30807946

Names of 30807946

• Cardinal: 30807946 can be written as Thirty million, eight hundred seven thousand, nine hundred forty-six.

Scientific notation

• Scientific notation: 3.0807946 × 10⁷

Factors of 30807946

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 430

Divisors of 30807946

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 13 26 53 79 106 158 283 566 689 1027 1378 2054 3679 4187 7358 8374 14999 22357 29998 44714 54431 108862 194987 290641 389974 581282 1184921 2369842 15403973 30807946
• Sum of all divisors σ(n): 51528960
• Sum of proper divisors (its aliquot sum) s(n): 20721014
• 30807946 is a deficient number, because the sum of its proper divisors (20721014) is less than itself. Its deficiency is 10086932

Bases of 30807946

• Binary: 1110101100001011110001010₂
• Hexadecimal: 0x1D6178A
• Base-36: ICBKA

Squares and roots of 30807946

• 30807946 squared (30807946²) is 949129536738916
• 30807946 cubed (30807946³) is 29240731514857540226536
• The square root of 30807946 is 5550.4906089463
• The cube root of 30807946 is 313.4879954229

Scales and comparisons

• 30,807,946 seconds is equal to 50 weeks, 6 days, 13 hours, 45 minutes, 46 seconds.
• To count from 1 to 30,807,946 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 30807946 cubic inches would be around 26.1 feet tall.

Recreational maths with 30807946

• 30807946 backwards is 64970803
• The number of decimal digits it has is: 8
• The sum of 30807946's digits is 37
• More coming soon!