2720138

Names of 2720138

• Cardinal: 2720138 can be written as Two million, seven hundred twenty thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 2.720138 × 10⁶

Factors of 2720138

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1360071

Divisors of 2720138

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 1360069 2720138
• Sum of all divisors σ(n): 4080210
• Sum of proper divisors (its aliquot sum) s(n): 1360072
• 2720138 is a deficient number, because the sum of its proper divisors (1360072) is less than itself. Its deficiency is 1360066

Bases of 2720138

• Binary: 1010011000000110001010₂
• Hexadecimal: 0x29818A
• Base-36: 1MAVE

Squares and roots of 2720138

• 2720138 squared (2720138²) is 7399150739044
• 2720138 cubed (2720138³) is 20126711093001668072
• The square root of 2720138 is 1649.2840871117
• The cube root of 2720138 is 139.5930016225

Scales and comparisons

• 2,720,138 seconds is equal to 4 weeks, 3 days, 11 hours, 35 minutes, 38 seconds.
• To count from 1 to 2,720,138 would take you about six 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 2720138 cubic inches would be around 11.6 feet tall.

Recreational maths with 2720138

• 2720138 backwards is 8310272
• The number of decimal digits it has is: 7
• The sum of 2720138's digits is 23
• More coming soon!