30729468

Names of 30729468

• Cardinal: 30729468 can be written as Thirty million, seven hundred twenty-nine thousand, four hundred sixty-eight.

Scientific notation

• Scientific notation: 3.0729468 × 10⁷

Factors of 30729468

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4774

Divisors of 30729468

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 49 66 77 84 98 132 147 154 196 231 294 308 462 539 588 924 1078 1617 2156 3234 4751 6468 9502 14253 19004 28506 33257 52261 57012 66514 99771 104522 133028 156783 199542 209044 232799 313566 365827 399084 465598 627132 698397 731654 931196 1097481 1396794 1463308 2194962 2560789 2793588 4389924 5121578 7682367 10243156 15364734 30729468
• Sum of all divisors σ(n): 91010304
• Sum of proper divisors (its aliquot sum) s(n): 60280836
• 30729468 is an abundant number, because the sum of its proper divisors (60280836) is greater than itself. Its abundance is 29551368

Bases of 30729468

• Binary: 1110101001110010011111100₂
• Hexadecimal: 0x1D4E4FC
• Base-36: IAN0C

Squares and roots of 30729468

• 30729468 squared (30729468²) is 944300203563024
• 30729468 cubed (30729468³) is 29017842887783431991232
• The square root of 30729468 is 5543.4166359747
• The cube root of 30729468 is 313.2215833071

Scales and comparisons

• 30,729,468 seconds is equal to 50 weeks, 5 days, 15 hours, 57 minutes, 48 seconds.
• To count from 1 to 30,729,468 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 30729468 cubic inches would be around 26.1 feet tall.

Recreational maths with 30729468

• 30729468 backwards is 86492703
• The number of decimal digits it has is: 8
• The sum of 30729468's digits is 39
• More coming soon!