399337783421013369

Names of 399337783421013369

• Cardinal: 399337783421013369 can be written as Three hundred ninety-nine quadrillion, three hundred thirty-seven trillion, seven hundred eighty-three billion, four hundred twenty-one million, thirteen thousand, three hundred sixty-nine.

Scientific notation

• Scientific notation: 3.99337783421013369 × 10¹⁷

Factors of 399337783421013369

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7801630

Divisors of 399337783421013369

• Number of divisors d(n): 27
• Complete list of divisors:
  1 3 9 27 81 243 729 2187 6561 7801627 23404881 70214643 210643929 631931787 1895795361 5687386083 17062158249 51186474747 60865383847129 182596151541387 547788454624161 1643365363872483 4930096091617449 14790288274852347 44370864824557041 133112594473671123 399337783421013369
• Sum of all divisors σ(n): 598976319215417637
• Sum of proper divisors (its aliquot sum) s(n): 199638535794404268
• 399337783421013369 is a deficient number, because the sum of its proper divisors (199638535794404268) is less than itself. Its deficiency is 199699247626609101

Bases of 399337783421013369

• Binary: 10110001010101110111001100100100110001100111000110101111001₂
• Hexadecimal: 0x58ABB9926338D79
• Base-36: 3181FH3OUIK9

Squares and roots of 399337783421013369

• 399337783421013369 squared (399337783421013369²) is 159470665267608179956894110876730161
• 399337783421013369 cubed (399337783421013369³) is 63682661988641034337638136218879873179444771786522409
• 399337783421013369 is a perfect square number. Its square root is 631931787
• The cube root of 399337783421013369 is 736399.4706819789

Scales and comparisons

• 399,337,783,421,013,369 seconds is equal to 12,697,706,279 years, 47 weeks, 6 days, 8 hours, 36 minutes, 9 seconds.
• To count from 1 to 399,337,783,421,013,369 would take you about thirty-eight billion, ninety-three million, one hundred eighteen thousand, eight hundred thirty-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 399337783421013369 cubic inches would be around 61366.6 feet tall.

Recreational maths with 399337783421013369

• 399337783421013369 backwards is 963310124387733993
• 399337783421013369 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 399337783421013369's digits is 81
• More coming soon!