30984930

Names of 30984930

• Cardinal: 30984930 can be written as Thirty million, nine hundred eighty-four thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 3.098493 × 10⁷

Factors of 30984930

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 362

Divisors of 30984930

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 41 45 54 81 82 90 123 135 162 205 243 246 270 311 369 405 410 486 615 622 738 810 933 1107 1215 1230 1555 1845 1866 2214 2430 2799 3110 3321 3690 4665 5535 5598 6642 8397 9330 9963 11070 12751 13995 16605 16794 19926 25191 25502 27990 33210 38253 41985 49815 50382 63755 75573 76506 83970 99630 114759 125955 127510 151146 191265 229518 251910 344277 377865 382530 573795 688554 755730 1032831 1147590 1721385 2065662 3098493 3442770 5164155 6196986 10328310 15492465 30984930
• Sum of all divisors σ(n): 85857408
• Sum of proper divisors (its aliquot sum) s(n): 54872478
• 30984930 is an abundant number, because the sum of its proper divisors (54872478) is greater than itself. Its abundance is 23887548

Bases of 30984930

• Binary: 1110110001100101011100010₂
• Hexadecimal: 0x1D8CAE2
• Base-36: IG44I

Squares and roots of 30984930

• 30984930 squared (30984930²) is 960065887104900
• 30984930 cubed (30984930³) is 29747574307333229157000
• The square root of 30984930 is 5566.4108723665
• The cube root of 30984930 is 314.0871531105

Scales and comparisons

• 30,984,930 seconds is equal to 51 weeks, 1 day, 14 hours, 55 minutes, 30 seconds.
• To count from 1 to 30,984,930 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 30984930 cubic inches would be around 26.2 feet tall.

Recreational maths with 30984930

• 30984930 backwards is 03948903
• The number of decimal digits it has is: 8
• The sum of 30984930's digits is 36
• More coming soon!