18133139

Names of 18133139

• Cardinal: 18133139 can be written as Eighteen million, one hundred thirty-three thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 1.8133139 × 10⁷

Factors of 18133139

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 18133139

Divisors of 18133139

• Number of divisors d(n): 2
• Complete list of divisors:
  1 18133139
• Sum of all divisors σ(n): 18133140
• Sum of proper divisors (its aliquot sum) s(n): 1
• 18133139 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 18133138

Bases of 18133139

• Binary: 1000101001011000010010011₂
• Hexadecimal: 0x114B093
• Base-36: ASNMB

Squares and roots of 18133139

• 18133139 squared (18133139²) is 328810729993321
• 18133139 cubed (18133139³) is 5962370671660358764619
• The square root of 18133139 is 4258.3023612703
• The cube root of 18133139 is 262.7187063169

Scales and comparisons

• 18,133,139 seconds is equal to 29 weeks, 6 days, 20 hours, 58 minutes, 59 seconds.
• To count from 1 to 18,133,139 would take you about forty-four 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 18133139 cubic inches would be around 21.9 feet tall.

Recreational maths with 18133139

• 18133139 backwards is 93133181
• The number of decimal digits it has is: 8
• The sum of 18133139's digits is 29
• More coming soon!