108138375720

Names of 108138375720

• Cardinal: 108138375720 can be written as One hundred eight billion, one hundred thirty-eight million, three hundred seventy-five thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.0813837572 × 10¹¹

Factors of 108138375720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 300384387

Divisors of 108138375720

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 300384377 600768754 901153131 1201537508 1501921885 1802306262 2403075016 2703459393 3003843770 3604612524 4505765655 5406918786 6007687540 7209225048 9011531310 10813837572 12015375080 13517296965 18023062620 21627675144 27034593930 36046125240 54069187860 108138375720
• Sum of all divisors σ(n): 351449722260
• Sum of proper divisors (its aliquot sum) s(n): 243311346540
• 108138375720 is an abundant number, because the sum of its proper divisors (243311346540) is greater than itself. Its abundance is 135172970820

Bases of 108138375720

• Binary: 1100100101101100011001010101000101000₂
• Hexadecimal: 0x192D8CAA28
• Base-36: 1DOESOQ0

Squares and roots of 108138375720

• 108138375720 squared (108138375720²) is 11693908303359885518400
• 108138375720 cubed (108138375720³) is 1264560249743959038564926173248000
• The square root of 108138375720 is 328843.9990633855
• The cube root of 108138375720 is 4764.2361560671

Scales and comparisons

• 108,138,375,720 seconds is equal to 3,438 years, 24 weeks, 1 day, 13 hours, 42 minutes.
• To count from 1 to 108,138,375,720 would take you about six thousand, eight hundred seventy-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 108138375720 cubic inches would be around 397 feet tall.

Recreational maths with 108138375720

• 108138375720 backwards is 027573831801
• 108138375720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 108138375720's digits is 45
• More coming soon!