18445120425

Names of 18445120425

• Cardinal: 18445120425 can be written as Eighteen billion, four hundred forty-five million, one hundred twenty thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 1.8445120425 × 10¹⁰

Factors of 18445120425

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1463

Divisors of 18445120425

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 15 25 45 75 225 271 373 811 813 1119 1355 1865 2433 2439 3357 4055 4065 5595 6775 7299 9325 12165 12195 16785 20275 20325 27975 36495 60825 60975 83925 101083 182475 219781 302503 303249 505415 659343 907509 909747 1098905 1512515 1516245 1978029 2527075 2722527 3296715 4537545 4548735 5494525 7562575 7581225 9890145 13612635 16483575 22687725 22743675 49450725 68063175 81978313 245934939 409891565 737804817 1229674695 2049457825 3689024085 6148373475 18445120425
• Sum of all divisors σ(n): 33289063808
• Sum of proper divisors (its aliquot sum) s(n): 14843943383
• 18445120425 is a deficient number, because the sum of its proper divisors (14843943383) is less than itself. Its deficiency is 3601177042

Bases of 18445120425

• Binary: 10001001011011010100011001110101001₂
• Hexadecimal: 0x44B6A33A9
• Base-36: 8H1QY09

Squares and roots of 18445120425

• 18445120425 squared (18445120425²) is 340222467492752180625
• 18445120425 cubed (18445120425³) is 6275444384194461786309476765625
• The square root of 18445120425 is 135812.8139204839
• The cube root of 18445120425 is 2642.1684254677

Scales and comparisons

• 18,445,120,425 seconds is equal to 586 years, 25 weeks, 6 days, 4 hours, 33 minutes, 45 seconds.
• To count from 1 to 18,445,120,425 would take you about one thousand, one hundred seventy-two 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 18445120425 cubic inches would be around 220.2 feet tall.

Recreational maths with 18445120425

• 18445120425 backwards is 52402154481
• The number of decimal digits it has is: 11
• The sum of 18445120425's digits is 36
• More coming soon!