815642023

815,642,023 is an odd composite number composed of five prime numbers multiplied together.

What does the number 815642023 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

815642023 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 815642023:

7 × 29 × 31² × 37 × 113

(7 × 29 × 31 × 31 × 37 × 113)

See below for interesting mathematical facts about the number 815642023 from the Numbermatics database.

Names of 815642023

Cardinal: 815642023 can be written as Eight hundred fifteen million, six hundred forty-two thousand and twenty-three.

Scientific notation

Scientific notation: 8.15642023 × 10⁸

Factors of 815642023

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 217

Divisors of 815642023

Number of divisors d(n): 48
Complete list of divisors:
1 7 29 31 37 113 203 217 259 791 899 961 1073 1147 3277 3503 4181 6293 6727 7511 8029 22939 24521 27869 29267 33263 35557 101587 108593 121249 129611 195083 232841 248899 711109 760151 848743 907277 1031153 3149197 3758719 4017941 7218071 22044379 26311033 28125587 116520289 815642023
Sum of all divisors σ(n): 1032402240
Sum of proper divisors (its aliquot sum) s(n): 216760217
815642023 is a deficient number, because the sum of its proper divisors (216760217) is less than itself. Its deficiency is 598881806

Bases of 815642023

Binary: 110000100111011011010110100111₂
Hexadecimal: 0x309DB5A7
Base-36: DHM1EV

Squares and roots of 815642023

815642023 squared (815642023²) is 665271909683532529
815642023 cubed (815642023³) is 542623726259349761739866167
The square root of 815642023 is 28559.4471760221
The cube root of 815642023 is 934.3290764825

Scales and comparisons

How big is 815642023?

815,642,023 seconds is equal to 25 years, 48 weeks, 4 days, 7 hours, 13 minutes, 43 seconds.
To count from 1 to 815,642,023 would take you about thirty-eight 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 815642023 cubic inches would be around 77.9 feet tall.

Recreational maths with 815642023

815642023 backwards is 320246518
815642023 is a Harshad number.
The number of decimal digits it has is: 9
The sum of 815642023's digits is 31
More coming soon!

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The information we have on file for 815642023 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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