142857

142,857 is an odd composite number composed of four prime numbers multiplied together.

What does the number 142857 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

142857 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 142857:

3³ × 11 × 13 × 37

(3 × 3 × 3 × 11 × 13 × 37)

See below for interesting mathematical facts about the number 142857 from the Numbermatics database.

Names of 142857

Cardinal: 142857 can be written as One hundred forty-two thousand, eight hundred fifty-seven.

Scientific notation

Scientific notation: 1.42857 × 10⁵

Factors of 142857

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 64

Divisors of 142857

Number of divisors d(n): 32
Complete list of divisors:
1 3 9 11 13 27 33 37 39 99 111 117 143 297 333 351 407 429 481 999 1221 1287 1443 3663 3861 4329 5291 10989 12987 15873 47619 142857
Sum of all divisors σ(n): 255360
Sum of proper divisors (its aliquot sum) s(n): 112503
142857 is a deficient number, because the sum of its proper divisors (112503) is less than itself. Its deficiency is 30354

Bases of 142857

Binary: 100010111000001001₂
Hexadecimal: 0x22E09
Base-36: 3289

Squares and roots of 142857

142857 squared (142857²) is 20408122449
142857 cubed (142857³) is 2915443148696793
The square root of 142857 is 377.9642840271
The cube root of 142857 is 52.2757784321

Scales and comparisons

How big is 142857?

142,857 seconds is equal to 1 day, 15 hours, 40 minutes, 57 seconds.
To count from 1 to 142,857 would take you about fifteen hours.

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 142857 cubic inches would be around 4.4 feet tall.

Recreational maths with 142857

142857 backwards is 758241
142857 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 142857's digits is 27
More coming soon!

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The information we have on file for 142857 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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