21343880601808

Names of 21343880601808

• Cardinal: 21343880601808 can be written as Twenty-one trillion, three hundred forty-three billion, eight hundred eighty million, six hundred one thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.1343880601808 × 10¹³

Factors of 21343880601808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 108024625

Divisors of 21343880601808

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 53 106 212 233 424 466 848 932 1864 3728 12349 24698 49396 98792 197584 108024337 216048674 432097348 864194696 1728389392 5725289861 11450579722 22901159444 25169670521 45802318888 50339341042 91604637776 100678682084 201357364168 402714728336 1333992537613 2667985075226 5335970150452 10671940300904 21343880601808
• Sum of all divisors σ(n): 42314861584008
• Sum of proper divisors (its aliquot sum) s(n): 20970980982200
• 21343880601808 is a deficient number, because the sum of its proper divisors (20970980982200) is less than itself. Its deficiency is 372899619608

Bases of 21343880601808

• Binary: 100110110100110000010011010111110000011010000₂
• Hexadecimal: 0x1369826BE0D0
• Base-36: 7KD8RFE8G

Squares and roots of 21343880601808

• 21343880601808 squared (21343880601808²) is 455561239144235832252868864
• 21343880601808 cubed (21343880601808³) is 9723444695106270502219640425386825306112
• The square root of 21343880601808 is 4619943.7877324871
• The cube root of 21343880601808 is 27739.0208881755

Scales and comparisons

• 21,343,880,601,808 seconds is equal to 678,669 years, 19 weeks, 6 days, 2 hours, 43 minutes, 28 seconds.
• To count from 1 to 21,343,880,601,808 would take you about one million, six hundred ninety-six thousand, six hundred seventy-three 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 21343880601808 cubic inches would be around 2311.6 feet tall.

Recreational maths with 21343880601808

• 21343880601808 backwards is 80810608834312
• The number of decimal digits it has is: 14
• The sum of 21343880601808's digits is 52
• More coming soon!