30939426

Names of 30939426

• Cardinal: 30939426 can be written as Thirty million, nine hundred thirty-nine thousand, four hundred twenty-six.

Scientific notation

• Scientific notation: 3.0939426 × 10⁷

Factors of 30939426

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 132

Divisors of 30939426

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 31 42 62 63 89 93 126 178 186 217 267 279 434 534 558 623 651 801 1246 1302 1602 1869 1953 2759 3738 3906 5518 5607 7921 8277 11214 15842 16554 19313 23763 24831 38626 47526 49662 55447 57939 71289 110894 115878 142578 166341 173817 245551 332682 347634 491102 499023 736653 998046 1473306 1718857 2209959 3437714 4419918 5156571 10313142 15469713 30939426
• Sum of all divisors σ(n): 79981824
• Sum of proper divisors (its aliquot sum) s(n): 49042398
• 30939426 is an abundant number, because the sum of its proper divisors (49042398) is greater than itself. Its abundance is 18102972

Bases of 30939426

• Binary: 1110110000001100100100010₂
• Hexadecimal: 0x1D81922
• Base-36: IF50I

Squares and roots of 30939426

• 30939426 squared (30939426²) is 957248081209476
• 30939426 cubed (30939426³) is 29616706172222573200776
• The square root of 30939426 is 5562.3219971519
• The cube root of 30939426 is 313.9333232327

Scales and comparisons

• 30,939,426 seconds is equal to 51 weeks, 1 day, 2 hours, 17 minutes, 6 seconds.
• To count from 1 to 30,939,426 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 30939426 cubic inches would be around 26.2 feet tall.

Recreational maths with 30939426

• 30939426 backwards is 62493903
• The number of decimal digits it has is: 8
• The sum of 30939426's digits is 36
• More coming soon!