30585421

Names of 30585421

• Cardinal: 30585421 can be written as Thirty million, five hundred eighty-five thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 3.0585421 × 10⁷

Factors of 30585421

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 508

Divisors of 30585421

• Number of divisors d(n): 16
• Complete list of divisors:
  1 19 37 139 313 703 2641 5143 5947 11581 43507 97717 220039 826633 1609759 30585421
• Sum of all divisors σ(n): 33409600
• Sum of proper divisors (its aliquot sum) s(n): 2824179
• 30585421 is a deficient number, because the sum of its proper divisors (2824179) is less than itself. Its deficiency is 27761242

Bases of 30585421

• Binary: 1110100101011001001001101₂
• Hexadecimal: 0x1D2B24D
• Base-36: I7JV1

Squares and roots of 30585421

• 30585421 squared (30585421²) is 935467977747241
• 30585421 cubed (30585421³) is 28611681931417997573461
• The square root of 30585421 is 5530.4087552369
• The cube root of 30585421 is 312.7313989589

Scales and comparisons

• 30,585,421 seconds is equal to 50 weeks, 3 days, 23 hours, 57 minutes, 1 second.
• To count from 1 to 30,585,421 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 30585421 cubic inches would be around 26.1 feet tall.

Recreational maths with 30585421

• 30585421 backwards is 12458503
• The number of decimal digits it has is: 8
• The sum of 30585421's digits is 28
• More coming soon!