13252821021

Names of 13252821021

• Cardinal: 13252821021 can be written as Thirteen billion, two hundred fifty-two million, eight hundred twenty-one thousand and twenty-one.

Scientific notation

• Scientific notation: 1.3252821021 × 10¹⁰

Factors of 13252821021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10449

Divisors of 13252821021

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 11 27 33 61 71 99 183 213 297 549 639 671 781 1647 1917 2013 2343 4331 6039 7029 10303 12993 18117 21087 30909 38979 47641 92727 113333 116937 142923 278181 339999 428769 628483 731513 1019997 1286307 1885449 2194539 3059991 5656347 6583617 6913313 8046643 16969041 19750851 20739939 24139929 44622293 62219817 72419787 133866879 186659451 217259361 401600637 490845223 1204801911 1472535669 4417607007 13252821021
• Sum of all divisors σ(n): 22078586880
• Sum of proper divisors (its aliquot sum) s(n): 8825765859
• 13252821021 is a deficient number, because the sum of its proper divisors (8825765859) is less than itself. Its deficiency is 4427055162

Bases of 13252821021

• Binary: 1100010101111011100000000000011101₂
• Hexadecimal: 0x315EE001D
• Base-36: 636DY59

Squares and roots of 13252821021

• 13252821021 squared (13252821021²) is 175637265014659482441
• 13252821021 cubed (13252821021³) is 2327689237857227062051065192261
• The square root of 13252821021 is 115120.8974122423
• The cube root of 13252821021 is 2366.4796686367

Scales and comparisons

• 13,252,821,021 seconds is equal to 421 years, 20 weeks, 5 days, 3 hours, 10 minutes, 21 seconds.
• To count from 1 to 13,252,821,021 would take you about eight hundred forty-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 13252821021 cubic inches would be around 197.2 feet tall.

Recreational maths with 13252821021

• 13252821021 backwards is 12012825231
• 13252821021 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13252821021's digits is 27
• More coming soon!