142943290

142,943,290 is an even composite number composed of four prime numbers multiplied together.

What does the number 142943290 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

142943290 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 142943290:

2 × 5 × 7² × 291721

(2 × 5 × 7 × 7 × 291721)

See below for interesting mathematical facts about the number 142943290 from the Numbermatics database.

Names of 142943290

Cardinal: 142943290 can be written as One hundred forty-two million, nine hundred forty-three thousand, two hundred ninety.

Scientific notation

Scientific notation: 1.4294329 × 10⁸

Factors of 142943290

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 291735

Divisors of 142943290

Number of divisors d(n): 24
Complete list of divisors:
1 2 5 7 10 14 35 49 70 98 245 490 291721 583442 1458605 2042047 2917210 4084094 10210235 14294329 20420470 28588658 71471645 142943290
Sum of all divisors σ(n): 299306772
Sum of proper divisors (its aliquot sum) s(n): 156363482
142943290 is an abundant number, because the sum of its proper divisors (156363482) is greater than itself. Its abundance is 13420192

Bases of 142943290

Binary: 1000100001010010010000111010₂
Hexadecimal: 0x885243A
Base-36: 2D3RQY

Squares and roots of 142943290

142943290 squared (142943290²) is 20432784156024100
142943290 cubed (142943290³) is 2920729391121958173289000
The square root of 142943290 is 11955.8893437503
The cube root of 142943290 is 522.8630170369

Scales and comparisons

How big is 142943290?

142,943,290 seconds is equal to 4 years, 28 weeks, 2 days, 10 hours, 28 minutes, 10 seconds.
To count from 1 to 142,943,290 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 142943290 cubic inches would be around 43.6 feet tall.

Recreational maths with 142943290

142943290 backwards is 092349241
The number of decimal digits it has is: 9
The sum of 142943290's digits is 34
More coming soon!

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The information we have on file for 142943290 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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