13445940

13,445,940 is an even composite number composed of five prime numbers multiplied together.

What does the number 13445940 look like?

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

13445940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 13445940:

2² × 3 × 5 × 31 × 7229

(2 × 2 × 3 × 5 × 31 × 7229)

See below for interesting mathematical facts about the number 13445940 from the Numbermatics database.

Names of 13445940

Cardinal: 13445940 can be written as Thirteen million, four hundred forty-five thousand, nine hundred forty.

Scientific notation

Scientific notation: 1.344594 × 10⁷

Factors of 13445940

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 7270

Divisors of 13445940

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 7229 14458 21687 28916 36145 43374 72290 86748 108435 144580 216870 224099 433740 448198 672297 896396 1120495 1344594 2240990 2689188 3361485 4481980 6722970 13445940
Sum of all divisors σ(n): 38868480
Sum of proper divisors (its aliquot sum) s(n): 25422540
13445940 is an abundant number, because the sum of its proper divisors (25422540) is greater than itself. Its abundance is 11976600

Bases of 13445940

Binary: 110011010010101100110100₂
Hexadecimal: 0xCD2B34
Base-36: 806YC

Squares and roots of 13445940

13445940 squared (13445940²) is 180793302483600
13445940 cubed (13445940³) is 2430935897596336584000
The square root of 13445940 is 3666.8706003893
The cube root of 13445940 is 237.7918996345

Scales and comparisons

How big is 13445940?

13,445,940 seconds is equal to 22 weeks, 1 day, 14 hours, 59 minutes.
To count from 1 to 13,445,940 would take you about thirty-three 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 13445940 cubic inches would be around 19.8 feet tall.

Recreational maths with 13445940

13445940 backwards is 04954431
13445940 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 13445940's digits is 30
More coming soon!

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The information we have on file for 13445940 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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