18330449478

Names of 18330449478

• Cardinal: 18330449478 can be written as Eighteen billion, three hundred thirty million, four hundred forty-nine thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 1.8330449478 × 10¹⁰

Factors of 18330449478

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 135052

Divisors of 18330449478

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 11 17 22 33 34 51 66 102 121 187 242 363 374 561 726 1122 1331 2057 2662 3993 4114 6171 7986 12342 22627 45254 67881 135019 135762 270038 405057 810114 1485209 2295323 2970418 4455627 4590646 6885969 8911254 13771938 16337299 25248553 32674598 49011897 50497106 75745659 98023794 151491318 179710289 277734083 359420578 539130867 555468166 833202249 1078261734 1666404498 3055074913 6110149826 9165224739 18330449478
• Sum of all divisors σ(n): 42696564480
• Sum of proper divisors (its aliquot sum) s(n): 24366115002
• 18330449478 is an abundant number, because the sum of its proper divisors (24366115002) is greater than itself. Its abundance is 6035665524

Bases of 18330449478

• Binary: 10001000100100101000111011001000110₂
• Hexadecimal: 0x444947646
• Base-36: 8F5H5C6

Squares and roots of 18330449478

• 18330449478 squared (18330449478²) is 336005378065510472484
• 18330449478 cubed (18330449478³) is 6159129606966129090147871163352
• The square root of 18330449478 is 135389.9903168621
• The cube root of 18330449478 is 2636.6816989235

Scales and comparisons

• 18,330,449,478 seconds is equal to 582 years, 44 weeks, 1 day, 23 hours, 31 minutes, 18 seconds.
• To count from 1 to 18,330,449,478 would take you about one thousand, one hundred sixty-five 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 18330449478 cubic inches would be around 219.7 feet tall.

Recreational maths with 18330449478

• 18330449478 backwards is 87494403381
• 18330449478 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18330449478's digits is 51
• More coming soon!