30497830

Names of 30497830

• Cardinal: 30497830 can be written as Thirty million, four hundred ninety-seven thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 3.049783 × 10⁷

Factors of 30497830

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 429

Divisors of 30497830

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 11 17 22 34 47 55 85 94 110 170 187 235 347 374 470 517 694 799 935 1034 1598 1735 1870 2585 3470 3817 3995 5170 5899 7634 7990 8789 11798 16309 17578 19085 29495 32618 38170 43945 58990 64889 81545 87890 129778 163090 179399 277253 324445 358798 554506 648890 896995 1386265 1793990 2772530 3049783 6099566 15248915 30497830
• Sum of all divisors σ(n): 64945152
• Sum of proper divisors (its aliquot sum) s(n): 34447322
• 30497830 is an abundant number, because the sum of its proper divisors (34447322) is greater than itself. Its abundance is 3949492

Bases of 30497830

• Binary: 1110100010101110000100110₂
• Hexadecimal: 0x1D15C26
• Base-36: I5O9Y

Squares and roots of 30497830

• 30497830 squared (30497830²) is 930117634708900
• 30497830 cubed (30497830³) is 28366569503354131687000
• The square root of 30497830 is 5522.4840425301
• The cube root of 30497830 is 312.4325785217

Scales and comparisons

• 30,497,830 seconds is equal to 50 weeks, 2 days, 23 hours, 37 minutes, 10 seconds.
• To count from 1 to 30,497,830 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 30497830 cubic inches would be around 26 feet tall.

Recreational maths with 30497830

• 30497830 backwards is 03879403
• 30497830 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30497830's digits is 34
• More coming soon!