30575142

Names of 30575142

• Cardinal: 30575142 can be written as Thirty million, five hundred seventy-five thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 3.0575142 × 10⁷

Factors of 30575142

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 60

Divisors of 30575142

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 6 9 13 18 19 23 26 38 39 46 57 69 78 114 117 138 169 171 207 234 247 299 338 342 414 437 494 507 529 598 741 874 897 1014 1058 1311 1482 1521 1587 1794 2223 2622 2691 3042 3174 3211 3887 3933 4446 4761 5382 5681 6422 6877 7774 7866 9522 9633 10051 11362 11661 13754 17043 19266 20102 20631 23322 28899 30153 34086 34983 41262 51129 57798 60306 61893 69966 73853 89401 90459 102258 123786 130663 147706 178802 180918 221559 261326 268203 391989 443118 536406 664677 783978 804609 1175967 1329354 1609218 1698619 2351934 3397238 5095857 10191714 15287571 30575142
• Sum of all divisors σ(n): 78935220
• Sum of proper divisors (its aliquot sum) s(n): 48360078
• 30575142 is an abundant number, because the sum of its proper divisors (48360078) is greater than itself. Its abundance is 17784936

Bases of 30575142

• Binary: 1110100101000101000100110₂
• Hexadecimal: 0x1D28A26
• Base-36: I7BXI

Squares and roots of 30575142

• 30575142 squared (30575142²) is 934839308320164
• 30575142 cubed (30575142³) is 28582844599070795763288
• The square root of 30575142 is 5529.4793606631
• The cube root of 30575142 is 312.6963612827

Scales and comparisons

• 30,575,142 seconds is equal to 50 weeks, 3 days, 21 hours, 5 minutes, 42 seconds.
• To count from 1 to 30,575,142 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 30575142 cubic inches would be around 26.1 feet tall.

Recreational maths with 30575142

• 30575142 backwards is 24157503
• The number of decimal digits it has is: 8
• The sum of 30575142's digits is 27
• More coming soon!