138961926643118958

Names of 138961926643118958

• Cardinal: 138961926643118958 can be written as One hundred thirty-eight quadrillion, nine hundred sixty-one trillion, nine hundred twenty-six billion, six hundred forty-three million, one hundred eighteen thousand, nine hundred fifty-eight.

Scientific notation

• Scientific notation: 1.38961926643118958 × 10¹⁷

Factors of 138961926643118958

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 35550482558

Divisors of 138961926643118958

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 397 547 794 1094 1191 1641 2382 3282 3573 4923 7146 9846 217159 434318 651477 1302954 1954431 3908862 35550481609 71100963218 106651444827 213302889654 319954334481 639908668962 14113541198773 19446113440123 28227082397546 38892226880246 42340623596319 58338340320369 84681247192638 116676680640738 127021870788957 175015020961107 254043741577914 350030041922214 7720107035728831 15440214071457662 23160321107186493 46320642214372986 69480963321559479 138961926643118958
• Sum of all divisors σ(n): 302394387401630160
• Sum of proper divisors (its aliquot sum) s(n): 163432460758511202
• 138961926643118958 is an abundant number, because the sum of its proper divisors (163432460758511202) is greater than itself. Its abundance is 24470534115392244

Bases of 138961926643118958

• Binary: 111101101101100010010001011010010110111011111001101101110₂
• Hexadecimal: 0x1EDB122D2DDF36E
• Base-36: 1209W3SWOV3I

Squares and roots of 138961926643118958

• 138961926643118958 squared (138961926643118958²) is 19310417056367574515188210139005764
• 138961926643118958 cubed (138961926643118958³) is 2683412758434984014415611720604165569023886099673912
• The square root of 138961926643118958 is 372775973.8007788479
• The cube root of 138961926643118958 is 517962.8465313817

Scales and comparisons

• 138,961,926,643,118,958 seconds is equal to 4,418,559,429 years, 41 weeks, 12 hours, 9 minutes, 18 seconds.
• To count from 1 to 138,961,926,643,118,958 would take you about thirteen billion, two hundred fifty-five million, six hundred seventy-eight thousand, two hundred eighty-nine 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 138961926643118958 cubic inches would be around 43163.6 feet tall.

Recreational maths with 138961926643118958

• 138961926643118958 backwards is 859811346629169831
• The number of decimal digits it has is: 18
• The sum of 138961926643118958's digits is 90
• More coming soon!