18030432

Names of 18030432

• Cardinal: 18030432 can be written as Eighteen million, thirty thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.8030432 × 10⁷

Factors of 18030432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3845

Divisors of 18030432

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 588 672 784 1176 1568 2352 3833 4704 7666 11499 15332 22998 26831 30664 45996 53662 61328 80493 91992 107324 122656 160986 183984 187817 214648 321972 367968 375634 429296 563451 643944 751268 858592 1126902 1287888 1502536 2253804 2575776 3005072 4507608 6010144 9015216 18030432
• Sum of all divisors σ(n): 55071576
• Sum of proper divisors (its aliquot sum) s(n): 37041144
• 18030432 is an abundant number, because the sum of its proper divisors (37041144) is greater than itself. Its abundance is 19010712

Bases of 18030432

• Binary: 1000100110001111101100000₂
• Hexadecimal: 0x1131F60
• Base-36: AQGDC

Squares and roots of 18030432

• 18030432 squared (18030432²) is 325096478106624
• 18030432 cubed (18030432³) is 5861629941940972781568
• The square root of 18030432 is 4246.2256181225
• The cube root of 18030432 is 262.2217496029

Scales and comparisons

• 18,030,432 seconds is equal to 29 weeks, 5 days, 16 hours, 27 minutes, 12 seconds.
• To count from 1 to 18,030,432 would take you about forty-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 18030432 cubic inches would be around 21.9 feet tall.

Recreational maths with 18030432

• 18030432 backwards is 23403081
• 18030432 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 18030432's digits is 21
• More coming soon!