138178630020

Names of 138178630020

• Cardinal: 138178630020 can be written as One hundred thirty-eight billion, one hundred seventy-eight million, six hundred thirty thousand and twenty.

Scientific notation

• Scientific notation: 1.3817863002 × 10¹¹

Factors of 138178630020

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 102418

Divisors of 138178630020

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 30 60 33347 66694 69061 100041 133388 138122 166735 200082 207183 276244 333470 345305 400164 414366 500205 666940 690610 828732 1000410 1035915 1381220 2000820 2071830 4143660 2302977167 4605954334 6908931501 9211908668 11514885835 13817863002 23029771670 27635726004 34544657505 46059543340 69089315010 138178630020
• Sum of all divisors σ(n): 386917368768
• Sum of proper divisors (its aliquot sum) s(n): 248738738748
• 138178630020 is an abundant number, because the sum of its proper divisors (248738738748) is greater than itself. Its abundance is 110560108728

Bases of 138178630020

• Binary: 10000000101100000101101001000110000100₂
• Hexadecimal: 0x202C169184
• Base-36: 1RH7ZLAC

Squares and roots of 138178630020

• 138178630020 squared (138178630020²) is 19093333794204045200400
• 138178630020 cubed (138178630020³) is 2638290706197683582133428356008000
• The square root of 138178630020 is 371723.8625915749
• The cube root of 138178630020 is 5169.8779945943

Scales and comparisons

• 138,178,630,020 seconds is equal to 4,393 years, 33 weeks, 6 days, 16 hours, 47 minutes.
• To count from 1 to 138,178,630,020 would take you about eight thousand, seven hundred eighty-seven 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 138178630020 cubic inches would be around 430.8 feet tall.

Recreational maths with 138178630020

• 138178630020 backwards is 020036871831
• The number of decimal digits it has is: 12
• The sum of 138178630020's digits is 39
• More coming soon!