30979080

Names of 30979080

• Cardinal: 30979080 can be written as Thirty million, nine hundred seventy-nine thousand and eighty.

Scientific notation

• Scientific notation: 3.097908 × 10⁷

Factors of 30979080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7844

Divisors of 30979080

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 44 45 55 60 66 72 88 90 99 110 120 132 165 180 198 220 264 330 360 396 440 495 660 792 990 1320 1980 3960 7823 15646 23469 31292 39115 46938 62584 70407 78230 86053 93876 117345 140814 156460 172106 187752 234690 258159 281628 312920 344212 352035 430265 469380 516318 563256 688424 704070 774477 860530 938760 1032636 1290795 1408140 1548954 1721060 2065272 2581590 2816280 3097908 3442120 3872385 5163180 6195816 7744770 10326360 15489540 30979080
• Sum of all divisors σ(n): 109848960
• Sum of proper divisors (its aliquot sum) s(n): 78869880
• 30979080 is an abundant number, because the sum of its proper divisors (78869880) is greater than itself. Its abundance is 47890800

Bases of 30979080

• Binary: 1110110001011010000001000₂
• Hexadecimal: 0x1D8B408
• Base-36: IFZM0

Squares and roots of 30979080

• 30979080 squared (30979080²) is 959703397646400
• 30979080 cubed (30979080³) is 29730728331959637312000
• The square root of 30979080 is 5565.8853743137
• The cube root of 30979080 is 314.0673851621

Scales and comparisons

• 30,979,080 seconds is equal to 51 weeks, 1 day, 13 hours, 18 minutes.
• To count from 1 to 30,979,080 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 30979080 cubic inches would be around 26.2 feet tall.

Recreational maths with 30979080

• 30979080 backwards is 08097903
• 30979080 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30979080's digits is 36
• More coming soon!