16328978974646401

Names of 16328978974646401

• Cardinal: 16328978974646401 can be written as Sixteen quadrillion, three hundred twenty-eight trillion, nine hundred seventy-eight billion, nine hundred seventy-four million, six hundred forty-six thousand, four hundred one.

Scientific notation

• Scientific notation: 1.6328978974646401 × 10¹⁶

Factors of 16328978974646401

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2954761

Divisors of 16328978974646401

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 109 763 2659 2729 18613 19103 289831 297461 2028817 2082227 2949257 7256411 20644799 50794877 321469013 790948799 2250283091 5536641593 7842074363 8048522353 54894520541 56339656471 854786105567 877288936477 5983502738969 6141022555339 21401020936627 149807146556389 2332711282092343 16328978974646401
• Sum of all divisors σ(n): 18846891135072000
• Sum of proper divisors (its aliquot sum) s(n): 2517912160425599
• 16328978974646401 is a deficient number, because the sum of its proper divisors (2517912160425599) is less than itself. Its deficiency is 13811066814220802

Bases of 16328978974646401

• Binary: 111010000000110001111010101111010101000010000010000001₂
• Hexadecimal: 0x3A031EAF542081
• Base-36: 4GS51DRREDD

Squares and roots of 16328978974646401

• 16328978974646401 squared (16328978974646401²) is 266635554354444229351962982252801
• 16328978974646401 cubed (16328978974646401³) is 4353886360946907453514104287129660905297366819201
• The square root of 16328978974646401 is 127784893.3741637591
• The cube root of 16328978974646401 is 253699.5381530801

Scales and comparisons

• 16,328,978,974,646,401 seconds is equal to 519,211,022 years, 28 weeks, 2 days, 13 hours, 20 minutes, 1 second.
• To count from 1 to 16,328,978,974,646,401 would take you about one billion, five hundred fifty-seven million, six hundred thirty-three thousand and sixty-seven 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 16328978974646401 cubic inches would be around 21141.6 feet tall.

Recreational maths with 16328978974646401

• 16328978974646401 backwards is 10464647987982361
• The number of decimal digits it has is: 17
• The sum of 16328978974646401's digits is 85
• More coming soon!