18838471380462721

18,838,471,380,462,721 is an odd composite number composed of two prime numbers multiplied together.

What does the number 18838471380462721 look like?

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

18838471380462721 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 18838471380462721:

13² × 10557947²

(13 × 13 × 10557947 × 10557947)

See below for interesting mathematical facts about the number 18838471380462721 from the Numbermatics database.

Names of 18838471380462721

Cardinal: 18838471380462721 can be written as Eighteen quadrillion, eight hundred thirty-eight trillion, four hundred seventy-one billion, three hundred eighty million, four hundred sixty-two thousand, seven hundred twenty-one.

Scientific notation

Scientific notation: 1.8838471380462721 × 10¹⁶

Factors of 18838471380462721

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 4
Sum of prime factors: 10557960

Divisors of 18838471380462721

Number of divisors d(n): 9
Complete list of divisors:
1 13 169 10557947 137253311 1784293043 111470244854809 1449113183112517 18838471380462721
Sum of all divisors σ(n): 20399056740534531
Sum of proper divisors (its aliquot sum) s(n): 1560585360071810
18838471380462721 is a deficient number, because the sum of its proper divisors (1560585360071810) is less than itself. Its deficiency is 17277886020390911

Bases of 18838471380462721

Binary: 1000010111011010111110101101010101111100110110010000001₂
Hexadecimal: 0x42ED7D6ABE6C81
Base-36: 55HOIA10DC1

Squares and roots of 18838471380462721

18838471380462721 squared (18838471380462721²) is 354888003952513017031064070723841
18838471380462721 cubed (18838471380462721³) is 6685547505728957482494063843031005560039986431361
18838471380462721 is a perfect square number. Its square root is 137253311
The cube root of 18838471380462721 is 266081.8306871417

Scales and comparisons

How big is 18838471380462721?

18,838,471,380,462,721 seconds is equal to 599,005,118 years, 35 weeks, 2 days, 19 hours, 12 minutes, 1 second.
To count from 1 to 18,838,471,380,462,721 would take you about one billion, seven hundred ninety-seven million, fifteen thousand, three hundred fifty-six 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 18838471380462721 cubic inches would be around 22173.5 feet tall.

Recreational maths with 18838471380462721

18838471380462721 backwards is 12726408317483881
The number of decimal digits it has is: 17
The sum of 18838471380462721's digits is 73
More coming soon!

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The information we have on file for 18838471380462721 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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