30485994

Names of 30485994

• Cardinal: 30485994 can be written as Thirty million, four hundred eighty-five thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 3.0485994 × 10⁷

Factors of 30485994

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 216

Divisors of 30485994

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 11 14 19 21 22 23 33 38 42 46 57 66 69 77 114 133 138 151 154 161 209 231 253 266 302 322 399 418 437 453 462 483 506 627 759 798 874 906 966 1057 1254 1311 1463 1518 1661 1771 2114 2622 2869 2926 3059 3171 3322 3473 3542 4389 4807 4983 5313 5738 6118 6342 6946 8607 8778 9177 9614 9966 10419 10626 11627 14421 17214 18354 20083 20838 23254 24311 28842 31559 33649 34881 38203 40166 48622 60249 63118 65987 67298 69762 72933 76406 94677 100947 114609 120498 131974 145866 189354 197961 201894 220913 229218 267421 395922 441826 461909 534842 662739 725857 802263 923818 1325478 1385727 1451714 1604526 2177571 2771454 4355142 5080999 10161998 15242997 30485994
• Sum of all divisors σ(n): 84049920
• Sum of proper divisors (its aliquot sum) s(n): 53563926
• 30485994 is an abundant number, because the sum of its proper divisors (53563926) is greater than itself. Its abundance is 23077932

Bases of 30485994

• Binary: 1110100010010110111101010₂
• Hexadecimal: 0x1D12DEA
• Base-36: I5F56

Squares and roots of 30485994

• 30485994 squared (30485994²) is 929395830168036
• 30485994 cubed (30485994³) is 28333555702127764487784
• The square root of 30485994 is 5521.4123193255
• The cube root of 30485994 is 312.3921556403

Scales and comparisons

• 30,485,994 seconds is equal to 50 weeks, 2 days, 20 hours, 19 minutes, 54 seconds.
• To count from 1 to 30,485,994 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 30485994 cubic inches would be around 26 feet tall.

Recreational maths with 30485994

• 30485994 backwards is 49958403
• 30485994 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30485994's digits is 42
• More coming soon!