21049704588207743

Names of 21049704588207743

• Cardinal: 21049704588207743 can be written as Twenty-one quadrillion, forty-nine trillion, seven hundred four billion, five hundred eighty-eight million, two hundred seven thousand, seven hundred forty-three.

Scientific notation

• Scientific notation: 2.1049704588207743 × 10¹⁶

Factors of 21049704588207743

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 229297

Divisors of 21049704588207743

• Number of divisors d(n): 30
• Complete list of divisors:
  1 7 49 167 343 1169 2401 8183 57281 229123 400967 1603861 11227027 38263541 78589189 267844787 550124323 1874913509 13124394563 52497349129 91870761941 367481443903 2572370107321 8767057304543 18006590751247 61369401131801 126046135258729 429585807922607 3007100655458249 21049704588207743
• Sum of all divisors σ(n): 24703680403357704
• Sum of proper divisors (its aliquot sum) s(n): 3653975815149961
• 21049704588207743 is a deficient number, because the sum of its proper divisors (3653975815149961) is less than itself. Its deficiency is 17395728773057782

Bases of 21049704588207743

• Binary: 1001010110010001001100001000100100110110110011001111111₂
• Hexadecimal: 0x4AC898449B667F
• Base-36: 5R9HWSGJVJZ

Squares and roots of 21049704588207743

• 21049704588207743 squared (21049704588207743²) is 443090063250814107304492925154049
• 21049704588207743 cubed (21049704588207743³) is 9326914937399920768272422914722483115827089601407
• The square root of 21049704588207743 is 145085163.2256301495
• The cube root of 21049704588207743 is 276109.9146871035

Scales and comparisons

• 21,049,704,588,207,743 seconds is equal to 669,315,494 years, 46 weeks, 3 days, 7 hours, 2 minutes, 23 seconds.
• To count from 1 to 21,049,704,588,207,743 would take you about two billion, seven million, nine hundred forty-six thousand, four hundred eighty-four 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 21049704588207743 cubic inches would be around 23009.2 feet tall.

Recreational maths with 21049704588207743

• 21049704588207743 backwards is 34770288540794012
• The number of decimal digits it has is: 17
• The sum of 21049704588207743's digits is 71
• More coming soon!