123145872

123,145,872 is an even composite number composed of four prime numbers multiplied together.

What does the number 123145872 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

123145872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 123145872:

2⁴ × 3 × 107 × 23977

(2 × 2 × 2 × 2 × 3 × 107 × 23977)

See below for interesting mathematical facts about the number 123145872 from the Numbermatics database.

Names of 123145872

Cardinal: 123145872 can be written as One hundred twenty-three million, one hundred forty-five thousand, eight hundred seventy-two.

Scientific notation

Scientific notation: 1.23145872 × 10⁸

Factors of 123145872

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 24089

Divisors of 123145872

Number of divisors d(n): 40
Complete list of divisors:
1 2 3 4 6 8 12 16 24 48 107 214 321 428 642 856 1284 1712 2568 5136 23977 47954 71931 95908 143862 191816 287724 383632 575448 1150896 2565539 5131078 7696617 10262156 15393234 20524312 30786468 41048624 61572936 123145872
Sum of all divisors σ(n): 321113376
Sum of proper divisors (its aliquot sum) s(n): 197967504
123145872 is an abundant number, because the sum of its proper divisors (197967504) is greater than itself. Its abundance is 74821632

Bases of 123145872

Binary: 111010101110000111010010000₂
Hexadecimal: 0x7570E90
Base-36: 21BFYO

Squares and roots of 123145872

123145872 squared (123145872²) is 15164905790640384
123145872 cubed (123145872³) is 1867495547386259526094848
The square root of 123145872 is 11097.1109753843
The cube root of 123145872 is 497.5155043441

Scales and comparisons

How big is 123145872?

123,145,872 seconds is equal to 3 years, 47 weeks, 4 days, 7 hours, 11 minutes, 12 seconds.
To count from 1 to 123,145,872 would take you about five 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 123145872 cubic inches would be around 41.5 feet tall.

Recreational maths with 123145872

123145872 backwards is 278541321
The number of decimal digits it has is: 9
The sum of 123145872's digits is 33
More coming soon!

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The information we have on file for 123145872 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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