30742425

Names of 30742425

• Cardinal: 30742425 can be written as Thirty million, seven hundred forty-two thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 3.0742425 × 10⁷

Factors of 30742425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 295

Divisors of 30742425

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 7 9 15 21 25 35 45 63 75 105 131 149 175 225 315 393 447 525 655 745 917 1043 1179 1341 1575 1965 2235 2751 3129 3275 3725 4585 5215 5895 6705 8253 9387 9825 11175 13755 15645 19519 22925 26075 29475 33525 41265 46935 58557 68775 78225 97595 136633 175671 206325 234675 292785 409899 487975 683165 878355 1229697 1463925 2049495 3415825 4391775 6148485 10247475 30742425
• Sum of all divisors σ(n): 63835200
• Sum of proper divisors (its aliquot sum) s(n): 33092775
• 30742425 is an abundant number, because the sum of its proper divisors (33092775) is greater than itself. Its abundance is 2350350

Bases of 30742425

• Binary: 1110101010001011110011001₂
• Hexadecimal: 0x1D51799
• Base-36: IAX09

Squares and roots of 30742425

• 30742425 squared (30742425²) is 945096694880625
• 30742425 cubed (30742425³) is 29054564260115498015625
• The square root of 30742425 is 5544.5851963875
• The cube root of 30742425 is 313.2656001421

Scales and comparisons

• 30,742,425 seconds is equal to 50 weeks, 5 days, 19 hours, 33 minutes, 45 seconds.
• To count from 1 to 30,742,425 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 30742425 cubic inches would be around 26.1 feet tall.

Recreational maths with 30742425

• 30742425 backwards is 52424703
• The number of decimal digits it has is: 8
• The sum of 30742425's digits is 27
• More coming soon!