138838998

Names of 138838998

• Cardinal: 138838998 can be written as One hundred thirty-eight million, eight hundred thirty-eight thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 1.38838998 × 10⁸

Factors of 138838998

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 23139838

Divisors of 138838998

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 3 6 23139833 46279666 69419499 138838998
• Sum of all divisors σ(n): 277678008
• Sum of proper divisors (its aliquot sum) s(n): 138839010
• 138838998 is an abundant number, because the sum of its proper divisors (138839010) is greater than itself. Its abundance is 12

Bases of 138838998

• Binary: 1000010001101000001111010110₂
• Hexadecimal: 0x84683D6
• Base-36: 2ANSUU

Squares and roots of 138838998

• 138838998 squared (138838998²) is 19276267365644004
• 138838998 cubed (138838998³) is 2676297646226113140067992
• The square root of 138838998 is 11782.9961385039
• The cube root of 138838998 is 517.8100678629

Scales and comparisons

• 138,838,998 seconds is equal to 4 years, 21 weeks, 3 days, 22 hours, 23 minutes, 18 seconds.
• To count from 1 to 138,838,998 would take you about six 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 138838998 cubic inches would be around 43.2 feet tall.

Recreational maths with 138838998

• 138838998 backwards is 899838831
• The number of decimal digits it has is: 9
• The sum of 138838998's digits is 57
• More coming soon!