138259909938

Names of 138259909938

• Cardinal: 138259909938 can be written as One hundred thirty-eight billion, two hundred fifty-nine million, nine hundred nine thousand, nine hundred thirty-eight.

Scientific notation

• Scientific notation: 1.38259909938 × 10¹¹

Factors of 138259909938

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 19899

Divisors of 138259909938

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 53 106 113 159 197 226 318 339 394 591 678 1182 5989 10441 11978 17967 19531 20882 22261 31323 35934 39062 44522 58593 62646 66783 117186 133566 1035143 1179833 2070286 2207003 2359666 3105429 3539499 3847607 4414006 6210858 6621009 7078998 7695214 11542821 13242018 23085642 116971159 203923171 233942318 350913477 407846342 434779591 611769513 701826954 869559182 1223539026 1304338773 2608677546 23043318323 46086636646 69129954969 138259909938
• Sum of all divisors σ(n): 285687844992
• Sum of proper divisors (its aliquot sum) s(n): 147427935054
• 138259909938 is an abundant number, because the sum of its proper divisors (147427935054) is greater than itself. Its abundance is 9168025116

Bases of 138259909938

• Binary: 10000000110000111011101100110100110010₂
• Hexadecimal: 0x2030EECD32
• Base-36: 1RIKDP9U

Squares and roots of 138259909938

• 138259909938 squared (138259909938²) is 19115802696063871163844
• 138259909938 cubed (138259909938³) is 2642949159150368414208706681881672
• The square root of 138259909938 is 371833.1748755079
• The cube root of 138259909938 is 5170.8914771527

Scales and comparisons

• 138,259,909,938 seconds is equal to 4,396 years, 12 weeks, 2 days, 10 hours, 32 minutes, 18 seconds.
• To count from 1 to 138,259,909,938 would take you about eight thousand, seven hundred ninety-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 138259909938 cubic inches would be around 430.9 feet tall.

Recreational maths with 138259909938

• 138259909938 backwards is 839909952831
• The number of decimal digits it has is: 12
• The sum of 138259909938's digits is 66
• More coming soon!