13268505721

13,268,505,721 is an odd composite number composed of two prime numbers multiplied together.

What does the number 13268505721 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

13268505721 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

Prime factorization of 13268505721:

127² × 907²

(127 × 127 × 907 × 907)

See below for interesting mathematical facts about the number 13268505721 from the Numbermatics database.

Names of 13268505721

Cardinal: 13268505721 can be written as Thirteen billion, two hundred sixty-eight million, five hundred five thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 1.3268505721 × 10¹⁰

Factors of 13268505721

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 1034

Divisors of 13268505721

Number of divisors d(n): 9
Complete list of divisors:
1 127 907 16129 115189 822649 14629003 104476423 13268505721
Sum of all divisors σ(n): 13388566149
Sum of proper divisors (its aliquot sum) s(n): 120060428
13268505721 is a deficient number, because the sum of its proper divisors (120060428) is less than itself. Its deficiency is 13148445293

Bases of 13268505721

Binary: 1100010110110111010101010001111001₂
Hexadecimal: 0x316DD5479
Base-36: 63FQ4JD

Squares and roots of 13268505721

13268505721 squared (13268505721²) is 176053244068209729841
13268505721 cubed (13268505721³) is 2335963476119650114623172920361
13268505721 is a perfect square number. Its square root is 115189
The cube root of 13268505721 is 2367.4128759985

Scales and comparisons

How big is 13268505721?

13,268,505,721 seconds is equal to 421 years, 46 weeks, 4 days, 16 hours, 2 minutes, 1 second.
To count from 1 to 13,268,505,721 would take you about eight hundred forty-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 13268505721 cubic inches would be around 197.3 feet tall.

Recreational maths with 13268505721

13268505721 backwards is 12750586231
The number of decimal digits it has is: 11
The sum of 13268505721's digits is 40
More coming soon!

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The information we have on file for 13268505721 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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