18099200730

Names of 18099200730

• Cardinal: 18099200730 can be written as Eighteen billion, ninety-nine million, two hundred thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 1.809920073 × 10¹⁰

Factors of 18099200730

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1600335

Divisors of 18099200730

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 29 30 39 58 65 78 87 130 145 174 195 290 377 390 435 754 870 1131 1885 2262 3770 5655 11310 1600283 3200566 4800849 8001415 9601698 16002830 20803679 24004245 41607358 46408207 48008490 62411037 92816414 104018395 124822074 139224621 208036790 232041035 278449242 312055185 464082070 603306691 624110370 696123105 1206613382 1392246210 1809920073 3016533455 3619840146 6033066910 9049600365 18099200730
• Sum of all divisors σ(n): 48392588160
• Sum of proper divisors (its aliquot sum) s(n): 30293387430
• 18099200730 is an abundant number, because the sum of its proper divisors (30293387430) is greater than itself. Its abundance is 12194186700

Bases of 18099200730

• Binary: 10000110110110010111110001011011010₂
• Hexadecimal: 0x436CBE2DA
• Base-36: 8BBSONU

Squares and roots of 18099200730

• 18099200730 squared (18099200730²) is 327581067064832532900
• 18099200730 cubed (18099200730³) is 5928955488153995936791429017000
• The square root of 18099200730 is 134533.2699743821
• The cube root of 18099200730 is 2625.5470112635

Scales and comparisons

• 18,099,200,730 seconds is equal to 575 years, 25 weeks, 6 days, 11 hours, 45 minutes, 30 seconds.
• To count from 1 to 18,099,200,730 would take you about one thousand, one hundred fifty years!

  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 18099200730 cubic inches would be around 218.8 feet tall.

Recreational maths with 18099200730

• 18099200730 backwards is 03700299081
• 18099200730 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18099200730's digits is 39
• More coming soon!