138721290842237183

Names of 138721290842237183

• Cardinal: 138721290842237183 can be written as One hundred thirty-eight quadrillion, seven hundred twenty-one trillion, two hundred ninety billion, eight hundred forty-two million, two hundred thirty-seven thousand, one hundred eighty-three.

Scientific notation

• Scientific notation: 1.38721290842237183 × 10¹⁷

Factors of 138721290842237183

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 970994

Divisors of 138721290842237183

• Number of divisors d(n): 16
• Complete list of divisors:
  1 541 1327 280673 688453 717907 151844093 372453071 372453073 913577131 193230168869 201497111411 494245227871 104537521358129 256416434089163 138721290842237183
• Sum of all divisors σ(n): 139083135582208896
• Sum of proper divisors (its aliquot sum) s(n): 361844739971713
• 138721290842237183 is a deficient number, because the sum of its proper divisors (361844739971713) is less than itself. Its deficiency is 138359446102265470

Bases of 138721290842237183

• Binary: 111101100110101100100011101101111011011110110100011111111₂
• Hexadecimal: 0x1ECD6476F6F68FF
• Base-36: 11XWLD8PVLRZ

Squares and roots of 138721290842237183

• 138721290842237183 squared (138721290842237183²) is 19243596532936557732815612427775489
• 138721290842237183 cubed (138721290842237183³) is 2669496551496159311544710190724535734050228811807487
• The square root of 138721290842237183 is 372453071.9999999987
• The cube root of 138721290842237183 is 517663.6940418251

Scales and comparisons

• 138,721,290,842,237,183 seconds is equal to 4,410,907,955 years, 34 weeks, 1 day, 5 hours, 26 minutes, 23 seconds.
• To count from 1 to 138,721,290,842,237,183 would take you about thirteen billion, two hundred thirty-two million, seven hundred twenty-three thousand, eight hundred sixty-six 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 138721290842237183 cubic inches would be around 43138.6 feet tall.

Recreational maths with 138721290842237183

• 138721290842237183 backwards is 381732248092127831
• The number of decimal digits it has is: 18
• The sum of 138721290842237183's digits is 71
• More coming soon!