18161252032

Names of 18161252032

• Cardinal: 18161252032 can be written as Eighteen billion, one hundred sixty-one million, two hundred fifty-two thousand and thirty-two.

Scientific notation

• Scientific notation: 1.8161252032 × 10¹⁰

Factors of 18161252032

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 335049

Divisors of 18161252032

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 121 154 176 224 242 308 352 448 484 616 704 847 968 1232 1694 1936 2464 3388 3872 4928 6776 7744 13552 27104 54208 335029 670058 1340116 2345203 2680232 3685319 4690406 5360464 7370638 9380812 10720928 14741276 18761624 21441856 25797233 29482552 37523248 40538509 51594466 58965104 75046496 81077018 103188932 117930208 150092992 162154036 206377864 235860416 283769563 324308072 412755728 567539126 648616144 825511456 1135078252 1297232288 1651022912 2270156504 2594464576 4540313008 9080626016 18161252032
• Sum of all divisors σ(n): 45271933840
• Sum of proper divisors (its aliquot sum) s(n): 27110681808
• 18161252032 is an abundant number, because the sum of its proper divisors (27110681808) is greater than itself. Its abundance is 8949429776

Bases of 18161252032

• Binary: 10000111010011111101011011011000000₂
• Hexadecimal: 0x43A7EB6C0
• Base-36: 8CCQNR4

Squares and roots of 18161252032

• 18161252032 squared (18161252032²) is 329831075369824129024
• 18161252032 cubed (18161252032³) is 5990145287776963614719750176768
• The square root of 18161252032 is 134763.6895903343
• The cube root of 18161252032 is 2628.5440640683

Scales and comparisons

• 18,161,252,032 seconds is equal to 577 years, 24 weeks, 3 days, 16 hours, 13 minutes, 52 seconds.
• To count from 1 to 18,161,252,032 would take you about one thousand, one hundred fifty-four 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 18161252032 cubic inches would be around 219 feet tall.

Recreational maths with 18161252032

• 18161252032 backwards is 23025216181
• The number of decimal digits it has is: 11
• The sum of 18161252032's digits is 31
• More coming soon!