138690079538767225

Names of 138690079538767225

• Cardinal: 138690079538767225 can be written as One hundred thirty-eight quadrillion, six hundred ninety trillion, seventy-nine billion, five hundred thirty-eight million, seven hundred sixty-seven thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.38690079538767225 × 10¹⁷

Factors of 138690079538767225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 10784422685

Divisors of 138690079538767225

• Number of divisors d(n): 48
• Complete list of divisors:
  1 5 7 25 35 43 175 215 301 1075 1505 1709 7525 8545 11963 42725 59815 73487 299075 367435 514409 1837175 2572045 12860225 10784420921 53922104605 75490946447 269610523025 377454732235 463730099603 1887273661175 2318650498015 3246110697221 11593252490075 16230553486105 18430575353989 81152767430525 92152876769945 129014027477923 460764383849725 645070137389615 792514740221527 3225350686948075 3962573701107635 5547603181550689 19812868505538175 27738015907753445 138690079538767225
• Sum of all divisors σ(n): 201232117882477440
• Sum of proper divisors (its aliquot sum) s(n): 62542038343710215
• 138690079538767225 is a deficient number, because the sum of its proper divisors (62542038343710215) is less than itself. Its deficiency is 76148041195057010

Bases of 138690079538767225

• Binary: 111101100101110011110010001111100110001110110010101111001₂
• Hexadecimal: 0x1ECB9E47CC76579
• Base-36: 11XLJ2YTN6GP

Squares and roots of 138690079538767225

• 138690079538767225 squared (138690079538767225²) is 19234938162469579285991672734200625
• 138690079538767225 cubed (138690079538767225³) is 2667695103676175043111283063679645575212808324515625
• The square root of 138690079538767225 is 372411169.9973125471
• The cube root of 138690079538767225 is 517624.8675804193

Scales and comparisons

• 138,690,079,538,767,225 seconds is equal to 4,409,915,532 years, 38 weeks, 6 days, 22 hours, 25 seconds.
• To count from 1 to 138,690,079,538,767,225 would take you about thirteen billion, two hundred twenty-nine million, seven hundred forty-six thousand, five hundred ninety-eight 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 138690079538767225 cubic inches would be around 43135.4 feet tall.

Recreational maths with 138690079538767225

• 138690079538767225 backwards is 522767835970096831
• The number of decimal digits it has is: 18
• The sum of 138690079538767225's digits is 88
• More coming soon!