19138042

Names of 19138042

• Cardinal: 19138042 can be written as Nineteen million, one hundred thirty-eight thousand and forty-two.

Scientific notation

• Scientific notation: 1.9138042 × 10⁷

Factors of 19138042

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 994

Divisors of 19138042

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 7 11 14 22 77 151 154 302 823 1057 1646 1661 2114 3322 5761 9053 11522 11627 18106 23254 63371 124273 126742 248546 869911 1367003 1739822 2734006 9569021 19138042
• Sum of all divisors σ(n): 36071424
• Sum of proper divisors (its aliquot sum) s(n): 16933382
• 19138042 is a deficient number, because the sum of its proper divisors (16933382) is less than itself. Its deficiency is 2204660

Bases of 19138042

• Binary: 1001001000000010111111010₂
• Hexadecimal: 0x12405FA
• Base-36: BE70A

Squares and roots of 19138042

• 19138042 squared (19138042²) is 366264651593764
• 19138042 cubed (19138042³) is 7009588285316822370088
• The square root of 19138042 is 4374.7047900401
• The cube root of 19138042 is 267.4848368265

Scales and comparisons

• 19,138,042 seconds is equal to 31 weeks, 4 days, 12 hours, 7 minutes, 22 seconds.
• To count from 1 to 19,138,042 would take you about forty-seven 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 19138042 cubic inches would be around 22.3 feet tall.

Recreational maths with 19138042

• 19138042 backwards is 24083191
• The number of decimal digits it has is: 8
• The sum of 19138042's digits is 28
• More coming soon!