138422043018

Names of 138422043018

• Cardinal: 138422043018 can be written as One hundred thirty-eight billion, four hundred twenty-two million, forty-three thousand and eighteen.

Scientific notation

• Scientific notation: 1.38422043018 × 10¹¹

Factors of 138422043018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 185382

Divisors of 138422043018

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 1997 3994 5991 11982 13979 17973 27958 35946 41937 53919 83874 107838 125811 183373 251622 366746 377433 550119 754866 1100238 1283611 1650357 2567222 3300714 3850833 4951071 7701666 9902142 11552499 23104998 34657497 69314994 366195881 732391762 1098587643 2197175286 2563371167 3295762929 5126742334 6591525858 7690113501 9887288787 15380227002 19774577574 23070340503 46140681006 69211021509 138422043018
• Sum of all divisors σ(n): 351726001920
• Sum of proper divisors (its aliquot sum) s(n): 213303958902
• 138422043018 is an abundant number, because the sum of its proper divisors (213303958902) is greater than itself. Its abundance is 74881915884

Bases of 138422043018

• Binary: 10000000111010100110001100000110001010₂
• Hexadecimal: 0x203A98C18A
• Base-36: 1RL8WRYI

Squares and roots of 138422043018

• 138422043018 squared (138422043018²) is 19160661993277042548324
• 138422043018 cubed (138422043018³) is 2652257978686752410415921071801832
• The square root of 138422043018 is 372051.1295749551
• The cube root of 138422043018 is 5172.9119352503

Scales and comparisons

• 138,422,043,018 seconds is equal to 4,401 years, 20 weeks, 2 days, 23 hours, 30 minutes, 18 seconds.
• To count from 1 to 138,422,043,018 would take you about eight thousand, eight hundred two 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 138422043018 cubic inches would be around 431.1 feet tall.

Recreational maths with 138422043018

• 138422043018 backwards is 810340224831
• The number of decimal digits it has is: 12
• The sum of 138422043018's digits is 36
• More coming soon!