142038931839

Names of 142038931839

• Cardinal: 142038931839 can be written as One hundred forty-two billion, thirty-eight million, nine hundred thirty-one thousand, eight hundred thirty-nine.

Scientific notation

• Scientific notation: 1.42038931839 × 10¹¹

Factors of 142038931839

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 244

Divisors of 142038931839

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 21 43 49 129 147 191 301 343 573 903 1029 1337 2107 2401 4011 6321 7203 8213 9359 14749 16807 24639 28077 44247 50421 57491 65513 103243 117649 172473 196539 309729 352947 402437 458591 722701 823543 1207311 1375773 2168103 2470629 2817059 3210137 5058907 5764801 8451177 9630411 15176721 17294403 19719413 22470959 35412349 59158239 67412877 106237047 138035891 157296713 247886443 414107673 471890139 743659329 966251237 1101076991 2898753711 3303230973 6763758659 20291275977 47346310613 142038931839
• Sum of all divisors σ(n): 227271508992
• Sum of proper divisors (its aliquot sum) s(n): 85232577153
• 142038931839 is a deficient number, because the sum of its proper divisors (85232577153) is less than itself. Its deficiency is 56806354686

Bases of 142038931839

• Binary: 10000100010010001011100001100101111111₂
• Hexadecimal: 0x21122E197F
• Base-36: 1T92B98F

Squares and roots of 142038931839

• 142038931839 squared (142038931839²) is 20175058157964087921921
• 142038931839 cubed (142038931839³) is 2865643710546921979351540072942719
• The square root of 142038931839 is 376880.5272748911
• The cube root of 142038931839 is 5217.5801901075

Scales and comparisons

• 142,038,931,839 seconds is equal to 4,516 years, 20 weeks, 5 days, 2 hours, 50 minutes, 39 seconds.
• To count from 1 to 142,038,931,839 would take you about nine thousand and thirty-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 142038931839 cubic inches would be around 434.8 feet tall.

Recreational maths with 142038931839

• 142038931839 backwards is 938139830241
• The number of decimal digits it has is: 12
• The sum of 142038931839's digits is 51
• More coming soon!