72867713129556381

Names of 72867713129556381

• Cardinal: 72867713129556381 can be written as Seventy-two quadrillion, eight hundred sixty-seven trillion, seven hundred thirteen billion, one hundred twenty-nine million, five hundred fifty-six thousand, three hundred eighty-one.

Scientific notation

• Scientific notation: 7.2867713129556381 × 10¹⁶

Factors of 72867713129556381

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 48804858

Divisors of 72867713129556381

• Number of divisors d(n): 24
• Complete list of divisors:
  1 3 9 17 51 153 13483697 35321141 40451091 105963423 121353273 229222849 317890269 600459397 687668547 1801378191 2063005641 5404134573 476259562938277 1428778688814831 4286336066444493 8096412569950709 24289237709852127 72867713129556381
• Sum of all divisors σ(n): 111444749147889144
• Sum of proper divisors (its aliquot sum) s(n): 38577036018332763
• 72867713129556381 is a deficient number, because the sum of its proper divisors (38577036018332763) is less than itself. Its deficiency is 34290677111223618

Bases of 72867713129556381

• Binary: 100000010111000001100110010001100101011101010100110011101₂
• Hexadecimal: 0x102E0CC8CAEA99D
• Base-36: JXHG5A8QKD9

Squares and roots of 72867713129556381

• 72867713129556381 squared (72867713129556381²) is 5309703616731323392838161857817161
• 72867713129556381 cubed (72867713129556381³) is 386905959946946055865838741819721263213820938854341
• The square root of 72867713129556381 is 269940202.8775194889
• The cube root of 72867713129556381 is 417681.3141580385

Scales and comparisons

• 72,867,713,129,556,381 seconds is equal to 2,316,967,882 years, 45 weeks, 6 days, 20 hours, 46 minutes, 21 seconds.
• To count from 1 to 72,867,713,129,556,381 would take you about six billion, nine hundred fifty million, nine hundred three thousand, six hundred forty-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 72867713129556381 cubic inches would be around 34806.8 feet tall.

Recreational maths with 72867713129556381

• 72867713129556381 backwards is 18365592131776827
• The number of decimal digits it has is: 17
• The sum of 72867713129556381's digits is 81
• More coming soon!