30589728

Names of 30589728

• Cardinal: 30589728 can be written as Thirty million, five hundred eighty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.0589728 × 10⁷

Factors of 30589728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 338

Divisors of 30589728

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 127 156 193 208 254 312 381 386 416 508 579 624 762 772 1016 1158 1248 1524 1544 1651 2032 2316 2509 3048 3088 3302 4064 4632 4953 5018 6096 6176 6604 7527 9264 9906 10036 12192 13208 15054 18528 19812 20072 24511 26416 30108 39624 40144 49022 52832 60216 73533 79248 80288 98044 120432 147066 158496 196088 240864 294132 318643 392176 588264 637286 784352 955929 1176528 1274572 1911858 2353056 2549144 3823716 5098288 7647432 10196576 15294864 30589728
• Sum of all divisors σ(n): 87607296
• Sum of proper divisors (its aliquot sum) s(n): 57017568
• 30589728 is an abundant number, because the sum of its proper divisors (57017568) is greater than itself. Its abundance is 26427840

Bases of 30589728

• Binary: 1110100101100001100100000₂
• Hexadecimal: 0x1D2C320
• Base-36: I7N6O

Squares and roots of 30589728

• 30589728 squared (30589728²) is 935731459113984
• 30589728 cubed (30589728³) is 28623770815339891556352
• The square root of 30589728 is 5530.7981340851
• The cube root of 30589728 is 312.7460777489

Scales and comparisons

• 30,589,728 seconds is equal to 50 weeks, 4 days, 1 hour, 8 minutes, 48 seconds.
• To count from 1 to 30,589,728 would take you about twenty-three 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 30589728 cubic inches would be around 26.1 feet tall.

Recreational maths with 30589728

• 30589728 backwards is 82798503
• The number of decimal digits it has is: 8
• The sum of 30589728's digits is 42
• More coming soon!