72138093671592943

Names of 72138093671592943

• Cardinal: 72138093671592943 can be written as Seventy-two quadrillion, one hundred thirty-eight trillion, ninety-three billion, six hundred seventy-one million, five hundred ninety-two thousand, nine hundred forty-three.

Scientific notation

• Scientific notation: 7.2138093671592943 × 10¹⁶

Factors of 72138093671592943

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 88876157

Divisors of 72138093671592943

• Number of divisors d(n): 8
• Complete list of divisors:
  1 4787 169891 88701479 813268217 424613979973 15069582968789 72138093671592943
• Sum of all divisors σ(n): 72153588770686080
• Sum of proper divisors (its aliquot sum) s(n): 15495099093137
• 72138093671592943 is a deficient number, because the sum of its proper divisors (15495099093137) is less than itself. Its deficiency is 72122598572499806

Bases of 72138093671592943

• Binary: 100000000010010010011011011001000000100011011001111101111₂
• Hexadecimal: 0x1004936C811B3EF
• Base-36: JQATIQDOKQ7

Squares and roots of 72138093671592943

• 72138093671592943 squared (72138093671592943²) is 5203904558571517811592479087401249
• 72138093671592943 cubed (72138093671592943³) is 375399754504261676625976257571818975651916037785807
• The square root of 72138093671592943 is 268585356.3982834545
• The cube root of 72138093671592943 is 416282.5636517375

Scales and comparisons

• 72,138,093,671,592,943 seconds is equal to 2,293,768,240 years, 51 weeks, 12 hours, 15 minutes, 43 seconds.
• To count from 1 to 72,138,093,671,592,943 would take you about six billion, eight hundred eighty-one million, three hundred four thousand, seven hundred twenty-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 72138093671592943 cubic inches would be around 34690.2 feet tall.

Recreational maths with 72138093671592943

• 72138093671592943 backwards is 34929517639083127
• The number of decimal digits it has is: 17
• The sum of 72138093671592943's digits is 79
• More coming soon!