1818911130

Names of 1818911130

• Cardinal: 1818911130 can be written as One billion, eight hundred eighteen million, nine hundred eleven thousand, one hundred thirty.

Scientific notation

• Scientific notation: 1.81891113 × 10⁹

Factors of 1818911130

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1511

Divisors of 1818911130

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 193 317 386 579 634 951 965 991 1158 1585 1902 1930 1982 2895 2973 3170 4755 4955 5790 5946 9510 9910 14865 29730 61181 122362 183543 191263 305905 314147 367086 382526 573789 611810 628294 917715 942441 956315 1147578 1570735 1835430 1884882 1912630 2868945 3141470 4712205 5737890 9424410 60630371 121260742 181891113 303151855 363782226 606303710 909455565 1818911130
• Sum of all divisors σ(n): 4406289408
• Sum of proper divisors (its aliquot sum) s(n): 2587378278
• 1818911130 is an abundant number, because the sum of its proper divisors (2587378278) is greater than itself. Its abundance is 768467148

Bases of 1818911130

• Binary: 1101100011010100110000110011010₂
• Hexadecimal: 0x6C6A619A
• Base-36: U2XKT6

Squares and roots of 1818911130

• 1818911130 squared (1818911130²) is 3308437698837876900
• 1818911130 cubed (1818911130³) is 6017754153327802358979897000
• The square root of 1818911130 is 42648.6943528169
• The cube root of 1818911130 is 1220.6856152531

Scales and comparisons

• 1,818,911,130 seconds is equal to 57 years, 43 weeks, 3 days, 5 hours, 5 minutes, 30 seconds.
• To count from 1 to 1,818,911,130 would take you about one hundred fifteen 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 1818911130 cubic inches would be around 101.7 feet tall.

Recreational maths with 1818911130

• 1818911130 backwards is 0311198181
• The number of decimal digits it has is: 10
• The sum of 1818911130's digits is 33
• More coming soon!