138608749318

Names of 138608749318

• Cardinal: 138608749318 can be written as One hundred thirty-eight billion, six hundred eight million, seven hundred forty-nine thousand, three hundred eighteen.

Scientific notation

• Scientific notation: 1.38608749318 × 10¹¹

Factors of 138608749318

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 42833

Divisors of 138608749318

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 13 26 31 37 62 74 109 218 403 481 806 962 1147 1417 2294 2834 3379 4033 6758 8066 14911 29822 42641 43927 52429 85282 87854 104858 125023 250046 554333 1108666 1321871 1577717 1625299 2643742 3155434 3250598 4647869 9295738 17184323 20510321 34368646 41020642 48909227 60422297 97818454 120844594 144083939 171971153 288167878 343942306 635819951 1271639902 1873091207 2235624989 3746182414 4471249978 5331105743 10662211486 69304374659 138608749318
• Sum of all divisors σ(n): 239559344640
• Sum of proper divisors (its aliquot sum) s(n): 100950595322
• 138608749318 is a deficient number, because the sum of its proper divisors (100950595322) is less than itself. Its deficiency is 37658153996

Bases of 138608749318

• Binary: 10000001000101101110011010101100000110₂
• Hexadecimal: 0x2045B9AB06
• Base-36: 1ROC2JGM

Squares and roots of 138608749318

• 138608749318 squared (138608749318²) is 19212385387500165465124
• 138608749318 cubed (138608749318³) is 2663004709976816725638893387785432
• The square root of 138608749318 is 372301.9598632271
• The cube root of 138608749318 is 5175.2366645467

Scales and comparisons

• 138,608,749,318 seconds is equal to 4,407 years, 17 weeks, 22 hours, 21 minutes, 58 seconds.
• To count from 1 to 138,608,749,318 would take you about eight thousand, eight hundred fourteen 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 138608749318 cubic inches would be around 431.3 feet tall.

Recreational maths with 138608749318

• 138608749318 backwards is 813947806831
• The number of decimal digits it has is: 12
• The sum of 138608749318's digits is 58
• More coming soon!