30133155

Names of 30133155

• Cardinal: 30133155 can be written as Thirty million, one hundred thirty-three thousand, one hundred fifty-five.

Scientific notation

• Scientific notation: 3.0133155 × 10⁷

Factors of 30133155

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 3831

Divisors of 30133155

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 5 13 15 39 41 65 123 195 205 533 615 1599 2665 3769 7995 11307 18845 48997 56535 146991 154529 244985 463587 734955 772645 2008877 2317935 6026631 10044385 30133155
• Sum of all divisors σ(n): 53202240
• Sum of proper divisors (its aliquot sum) s(n): 23069085
• 30133155 is a deficient number, because the sum of its proper divisors (23069085) is less than itself. Its deficiency is 7064070

Bases of 30133155

• Binary: 1110010111100101110100011₂
• Hexadecimal: 0x1CBCBA3
• Base-36: HXUW3

Squares and roots of 30133155

• 30133155 squared (30133155²) is 908007030254025
• 30133155 cubed (30133155³) is 27361116583734224698875
• The square root of 30133155 is 5489.3674498981
• The cube root of 30133155 is 311.1822871685

Scales and comparisons

• 30,133,155 seconds is equal to 49 weeks, 5 days, 18 hours, 19 minutes, 15 seconds.
• To count from 1 to 30,133,155 would take you about twenty-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 30133155 cubic inches would be around 25.9 feet tall.

Recreational maths with 30133155

• 30133155 backwards is 55133103
• The number of decimal digits it has is: 8
• The sum of 30133155's digits is 21
• More coming soon!