15139840

15,139,840 is an even composite number composed of three prime numbers multiplied together.

What does the number 15139840 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 44 divisors.

15139840 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of forty-four divisors.

Prime factorization of 15139840:

2¹⁰ × 5 × 2957

(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 2957)

See below for interesting mathematical facts about the number 15139840 from the Numbermatics database.

Names of 15139840

Cardinal: 15139840 can be written as Fifteen million, one hundred thirty-nine thousand, eight hundred forty.

Scientific notation

Scientific notation: 1.513984 × 10⁷

Factors of 15139840

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 12
Sum of prime factors: 2964

Divisors of 15139840

Number of divisors d(n): 44
Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2560 2957 5120 5914 11828 14785 23656 29570 47312 59140 94624 118280 189248 236560 378496 473120 756992 946240 1513984 1892480 3027968 3784960 7569920 15139840
Sum of all divisors σ(n): 36330156
Sum of proper divisors (its aliquot sum) s(n): 21190316
15139840 is an abundant number, because the sum of its proper divisors (21190316) is greater than itself. Its abundance is 6050476

Bases of 15139840

Binary: 111001110000010000000000₂
Hexadecimal: 0xE70400
Base-36: 90HZ4

Squares and roots of 15139840

15139840 squared (15139840²) is 229214755225600
15139840 cubed (15139840³) is 3470274719754747904000
The square root of 15139840 is 3890.9947314279
The cube root of 15139840 is 247.3852271983

Scales and comparisons

How big is 15139840?

15,139,840 seconds is equal to 25 weeks, 5 hours, 30 minutes, 40 seconds.
To count from 1 to 15,139,840 would take you about thirty-seven weeks!

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 15139840 cubic inches would be around 20.6 feet tall.

Recreational maths with 15139840

15139840 backwards is 04893151
The number of decimal digits it has is: 8
The sum of 15139840's digits is 31
More coming soon!

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The information we have on file for 15139840 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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