1640443693842

Names of 1640443693842

• Cardinal: 1640443693842 can be written as One trillion, six hundred forty billion, four hundred forty-three million, six hundred ninety-three thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.640443693842 × 10¹²

Factors of 1640443693842

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3732

Divisors of 1640443693842

• Number of divisors d(n): 66
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 162 243 486 729 1458 2187 3727 4374 6561 7454 11181 13122 19683 22362 33543 39366 59049 67086 100629 118098 201258 301887 603774 905661 1811322 2716983 5433966 8150949 13890529 16301898 24452847 27781058 41671587 48905694 73358541 83343174 125014761 146717082 220075623 250029522 375044283 440151246 750088566 1125132849 2250265698 3375398547 6750797094 10126195641 20252391282 30378586923 60757173846 91135760769 182271521538 273407282307 546814564614 820221846921 1640443693842
• Sum of all divisors σ(n): 3691968075783
• Sum of proper divisors (its aliquot sum) s(n): 2051524381941
• 1640443693842 is an abundant number, because the sum of its proper divisors (2051524381941) is greater than itself. Its abundance is 411080688099

Bases of 1640443693842

• Binary: 10111110111110010000100000100101100010010₂
• Hexadecimal: 0x17DF2104B12
• Base-36: KXLXTJ4I

Squares and roots of 1640443693842

• 1640443693842 squared (1640443693842²) is 2691055512665985428720964
• 1640443693842 cubed (1640443693842³) is 4414525045531666153839966181663103688
• The square root of 1640443693842 is 1280798.0691123797
• The cube root of 1640443693842 is 11793.8004728333

Scales and comparisons

• 1,640,443,693,842 seconds is equal to 52,161 years, 1 week, 5 days, 19 hours, 50 minutes, 42 seconds.
• To count from 1 to 1,640,443,693,842 would take you about one hundred thirty thousand, four hundred 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 1640443693842 cubic inches would be around 982.8 feet tall.

Recreational maths with 1640443693842

• 1640443693842 backwards is 2483963440461
• 1640443693842 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1640443693842's digits is 54
• More coming soon!