138143263040

Names of 138143263040

• Cardinal: 138143263040 can be written as One hundred thirty-eight billion, one hundred forty-three million, two hundred sixty-three thousand and forty.

Scientific notation

• Scientific notation: 1.3814326304 × 10¹¹

Factors of 138143263040

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 431697704

Divisors of 138143263040

• Number of divisors d(n): 28
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 160 320 431697697 863395394 1726790788 2158488485 3453581576 4316976970 6907163152 8633953940 13814326304 17267907880 27628652608 34535815760 69071631520 138143263040
• Sum of all divisors σ(n): 328953645876
• Sum of proper divisors (its aliquot sum) s(n): 190810382836
• 138143263040 is an abundant number, because the sum of its proper divisors (190810382836) is greater than itself. Its abundance is 52667119796

Bases of 138143263040

• Binary: 10000000101001111110101110100101000000₂
• Hexadecimal: 0x2029FAE940
• Base-36: 1RGMXJY8

Squares and roots of 138143263040

• 138143263040 squared (138143263040²) is 19083561123338630041600
• 138143263040 cubed (138143263040³) is 2636265404001286252829994942464000
• The square root of 138143263040 is 371676.2879711323
• The cube root of 138143263040 is 5169.4368782087

Scales and comparisons

• 138,143,263,040 seconds is equal to 4,392 years, 27 weeks, 3 days, 8 hours, 37 minutes, 20 seconds.
• To count from 1 to 138,143,263,040 would take you about eight thousand, seven hundred eighty-five 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 138143263040 cubic inches would be around 430.8 feet tall.

Recreational maths with 138143263040

• 138143263040 backwards is 040362341831
• The number of decimal digits it has is: 12
• The sum of 138143263040's digits is 35
• More coming soon!