30886020

Names of 30886020

• Cardinal: 30886020 can be written as Thirty million, eight hundred eighty-six thousand and twenty.

Scientific notation

• Scientific notation: 3.088602 × 10⁷

Factors of 30886020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 861

Divisors of 30886020

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 19 20 22 30 33 36 38 44 45 55 57 60 66 76 90 95 99 110 114 132 165 171 180 190 198 209 220 228 285 330 342 380 396 418 495 570 627 660 684 821 836 855 990 1045 1140 1254 1642 1710 1881 1980 2090 2463 2508 3135 3284 3420 3762 4105 4180 4926 6270 7389 7524 8210 9031 9405 9852 12315 12540 14778 15599 16420 18062 18810 24630 27093 29556 31198 36124 36945 37620 45155 46797 49260 54186 62396 73890 77995 81279 90310 93594 108372 135465 140391 147780 155990 162558 171589 180620 187188 233985 270930 280782 311980 325116 343178 406395 467970 514767 541860 561564 686356 701955 812790 857945 935940 1029534 1403910 1544301 1625580 1715890 2059068 2573835 2807820 3088602 3431780 5147670 6177204 7721505 10295340 15443010 30886020
• Sum of all divisors σ(n): 107714880
• Sum of proper divisors (its aliquot sum) s(n): 76828860
• 30886020 is an abundant number, because the sum of its proper divisors (76828860) is greater than itself. Its abundance is 45942840

Bases of 30886020

• Binary: 1110101110100100010000100₂
• Hexadecimal: 0x1D74884
• Base-36: IDZT0

Squares and roots of 30886020

• 30886020 squared (30886020²) is 953946231440400
• 30886020 cubed (30886020³) is 29463602383192823208000
• The square root of 30886020 is 5557.5192307359
• The cube root of 30886020 is 313.7525875037

Scales and comparisons

• 30,886,020 seconds is equal to 51 weeks, 11 hours, 27 minutes.
• To count from 1 to 30,886,020 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 30886020 cubic inches would be around 26.1 feet tall.

Recreational maths with 30886020

• 30886020 backwards is 02068803
• The number of decimal digits it has is: 8
• The sum of 30886020's digits is 27
• More coming soon!