129240560

129,240,560 is an even composite number composed of four prime numbers multiplied together.

What does the number 129240560 look like?

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

129240560 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 129240560:

2⁴ × 5 × 1187 × 1361

(2 × 2 × 2 × 2 × 5 × 1187 × 1361)

See below for interesting mathematical facts about the number 129240560 from the Numbermatics database.

Names of 129240560

Cardinal: 129240560 can be written as One hundred twenty-nine million, two hundred forty thousand, five hundred sixty.

Scientific notation

Scientific notation: 1.2924056 × 10⁸

Factors of 129240560

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 2555

Divisors of 129240560

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 8 10 16 20 40 80 1187 1361 2374 2722 4748 5444 5935 6805 9496 10888 11870 13610 18992 21776 23740 27220 47480 54440 94960 108880 1615507 3231014 6462028 8077535 12924056 16155070 25848112 32310140 64620280 129240560
Sum of all divisors σ(n): 300958416
Sum of proper divisors (its aliquot sum) s(n): 171717856
129240560 is an abundant number, because the sum of its proper divisors (171717856) is greater than itself. Its abundance is 42477296

Bases of 129240560

Binary: 111101101000000110111110000₂
Hexadecimal: 0x7B40DF0
Base-36: 24Y2NK

Squares and roots of 129240560

129240560 squared (129240560²) is 16703122349113600
129240560 cubed (129240560³) is 2158720886147957167616000
The square root of 129240560 is 11368.4018225959
The cube root of 129240560 is 505.5913211871

Scales and comparisons

How big is 129240560?

129,240,560 seconds is equal to 4 years, 5 weeks, 4 days, 20 hours, 9 minutes, 20 seconds.
To count from 1 to 129,240,560 would take you about 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 129240560 cubic inches would be around 42.1 feet tall.

Recreational maths with 129240560

129240560 backwards is 065042921
The number of decimal digits it has is: 9
The sum of 129240560's digits is 29
More coming soon!

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The information we have on file for 129240560 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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