18460138

Names of 18460138

• Cardinal: 18460138 can be written as Eighteen million, four hundred sixty thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8460138 × 10⁷

Factors of 18460138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 53528

Divisors of 18460138

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 173 346 53353 106706 9230069 18460138
• Sum of all divisors σ(n): 27850788
• Sum of proper divisors (its aliquot sum) s(n): 9390650
• 18460138 is a deficient number, because the sum of its proper divisors (9390650) is less than itself. Its deficiency is 9069488

Bases of 18460138

• Binary: 1000110011010110111101010₂
• Hexadecimal: 0x119ADEA
• Base-36: AZNXM

Squares and roots of 18460138

• 18460138 squared (18460138²) is 340776694979044
• 18460138 cubed (18460138³) is 6290784816497059348072
• The square root of 18460138 is 4296.5262713033
• The cube root of 18460138 is 264.2885294355

Scales and comparisons

• 18,460,138 seconds is equal to 30 weeks, 3 days, 15 hours, 48 minutes, 58 seconds.
• To count from 1 to 18,460,138 would take you about forty-five weeks!

  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 18460138 cubic inches would be around 22 feet tall.

Recreational maths with 18460138

• 18460138 backwards is 83106481
• The number of decimal digits it has is: 8
• The sum of 18460138's digits is 31
• More coming soon!