30481213

Names of 30481213

• Cardinal: 30481213 can be written as Thirty million, four hundred eighty-one thousand, two hundred thirteen.

Scientific notation

• Scientific notation: 3.0481213 × 10⁷

Factors of 30481213

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 11267

Divisors of 30481213

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 401 2807 10859 76013 4354459 30481213
• Sum of all divisors σ(n): 34925760
• Sum of proper divisors (its aliquot sum) s(n): 4444547
• 30481213 is a deficient number, because the sum of its proper divisors (4444547) is less than itself. Its deficiency is 26036666

Bases of 30481213

• Binary: 1110100010001101100111101₂
• Hexadecimal: 0x1D11B3D
• Base-36: I5BGD

Squares and roots of 30481213

• 30481213 squared (30481213²) is 929104345951369
• 30481213 cubed (30481213³) is 28320227468169366130597
• The square root of 30481213 is 5520.9793515283
• The cube root of 30481213 is 312.3758243705

Scales and comparisons

• 30,481,213 seconds is equal to 50 weeks, 2 days, 19 hours, 13 seconds.
• To count from 1 to 30,481,213 would take you about twenty-three 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 30481213 cubic inches would be around 26 feet tall.

Recreational maths with 30481213

• 30481213 backwards is 31218403
• The number of decimal digits it has is: 8
• The sum of 30481213's digits is 22
• More coming soon!