30969840

Names of 30969840

• Cardinal: 30969840 can be written as Thirty million, nine hundred sixty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.096984 × 10⁷

Factors of 30969840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11752

Divisors of 30969840

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 11731 23462 35193 46924 58655 70386 93848 117310 129041 140772 175965 187696 234620 258082 281544 351930 387123 469240 516164 563088 645205 703860 774246 938480 1032328 1290410 1407720 1548492 1935615 2064656 2580820 2815440 3096984 3871230 5161640 6193968 7742460 10323280 15484920 30969840
• Sum of all divisors σ(n): 104743296
• Sum of proper divisors (its aliquot sum) s(n): 73773456
• 30969840 is an abundant number, because the sum of its proper divisors (73773456) is greater than itself. Its abundance is 42803616

Bases of 30969840

• Binary: 1110110001000111111110000₂
• Hexadecimal: 0x1D88FF0
• Base-36: IFSHC

Squares and roots of 30969840

• 30969840 squared (30969840²) is 959130989625600
• 30969840 cubed (30969840³) is 29704133287746491904000
• The square root of 30969840 is 5565.0552557903
• The cube root of 30969840 is 314.0361568709

Scales and comparisons

• 30,969,840 seconds is equal to 51 weeks, 1 day, 10 hours, 44 minutes.
• To count from 1 to 30,969,840 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 30969840 cubic inches would be around 26.2 feet tall.

Recreational maths with 30969840

• 30969840 backwards is 04896903
• The number of decimal digits it has is: 8
• The sum of 30969840's digits is 39
• More coming soon!