30884994

Names of 30884994

• Cardinal: 30884994 can be written as Thirty million, eight hundred eighty-four thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 3.0884994 × 10⁷

Factors of 30884994

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 128

Divisors of 30884994

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 38 42 49 57 63 97 98 114 126 133 147 171 194 266 291 294 342 361 399 441 582 679 722 798 873 882 931 1083 1197 1358 1746 1843 1862 2037 2166 2394 2527 2793 3249 3686 4074 4753 5054 5529 5586 6111 6498 7581 8379 9506 11058 12222 12901 14259 15162 16587 16758 17689 22743 25802 28518 33174 35017 35378 38703 42777 45486 53067 70034 77406 85554 90307 105051 106134 116109 159201 180614 210102 232218 245119 270921 315153 318402 490238 541842 630306 735357 812763 1470714 1625526 1715833 2206071 3431666 4412142 5147499 10294998 15442497 30884994
• Sum of all divisors σ(n): 83002374
• Sum of proper divisors (its aliquot sum) s(n): 52117380
• 30884994 is an abundant number, because the sum of its proper divisors (52117380) is greater than itself. Its abundance is 21232386

Bases of 30884994

• Binary: 1110101110100010010000010₂
• Hexadecimal: 0x1D74482
• Base-36: IDZ0I

Squares and roots of 30884994

• 30884994 squared (30884994²) is 953882854380036
• 30884994 cubed (30884994³) is 29460666234230285579784
• The square root of 30884994 is 5557.4269225965
• The cube root of 30884994 is 313.7491132919

Scales and comparisons

• 30,884,994 seconds is equal to 51 weeks, 11 hours, 9 minutes, 54 seconds.
• To count from 1 to 30,884,994 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 30884994 cubic inches would be around 26.1 feet tall.

Recreational maths with 30884994

• 30884994 backwards is 49948803
• The number of decimal digits it has is: 8
• The sum of 30884994's digits is 45
• More coming soon!