138239156682

Names of 138239156682

• Cardinal: 138239156682 can be written as One hundred thirty-eight billion, two hundred thirty-nine million, one hundred fifty-six thousand, six hundred eighty-two.

Scientific notation

• Scientific notation: 1.38239156682 × 10¹¹

Factors of 138239156682

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 553230

Divisors of 138239156682

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 421 594 842 1263 2526 3789 4631 7578 9262 11367 13893 22734 27786 41679 83358 125037 250074 552793 1105586 1658379 3316758 4975137 6080723 9950274 12161446 14925411 18242169 29850822 36484338 54726507 109453014 164179521 232725853 328359042 465451706 698177559 1396355118 2094532677 2559984383 4189065354 5119968766 6283598031 7679953149 12567196062 15359906298 23039859447 46079718894 69119578341 138239156682
• Sum of all divisors σ(n): 335921857920
• Sum of proper divisors (its aliquot sum) s(n): 197682701238
• 138239156682 is an abundant number, because the sum of its proper divisors (197682701238) is greater than itself. Its abundance is 59443544556

Bases of 138239156682

• Binary: 10000000101111101100100010000111001010₂
• Hexadecimal: 0x202FB221CA
• Base-36: 1RI80VYI

Squares and roots of 138239156682

• 138239156682 squared (138239156682²) is 19110064440150545249124
• 138239156682 cubed (138239156682³) is 2641759192345087836361383359246568
• The square root of 138239156682 is 371805.2671520403
• The cube root of 138239156682 is 5170.6327417405

Scales and comparisons

• 138,239,156,682 seconds is equal to 4,395 years, 30 weeks, 5 hours, 44 minutes, 42 seconds.
• To count from 1 to 138,239,156,682 would take you about eight thousand, seven hundred ninety-one 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 138239156682 cubic inches would be around 430.9 feet tall.

Recreational maths with 138239156682

• 138239156682 backwards is 286651932831
• 138239156682 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138239156682's digits is 54
• More coming soon!