30142742

30,142,742 is an even composite number composed of five prime numbers multiplied together.

What does the number 30142742 look like?

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

30142742 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 30142742:

2 × 7² × 23 × 43 × 311

(2 × 7 × 7 × 23 × 43 × 311)

See below for interesting mathematical facts about the number 30142742 from the Numbermatics database.

Names of 30142742

Cardinal: 30142742 can be written as Thirty million, one hundred forty-two thousand, seven hundred forty-two.

Scientific notation

Scientific notation: 3.0142742 × 10⁷

Factors of 30142742

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 386

Divisors of 30142742

Number of divisors d(n): 48
Complete list of divisors:
1 2 7 14 23 43 46 49 86 98 161 301 311 322 602 622 989 1127 1978 2107 2177 2254 4214 4354 6923 7153 13373 13846 14306 15239 26746 30478 48461 50071 93611 96922 100142 187222 307579 350497 615158 655277 700994 1310554 2153053 4306106 15071371 30142742
Sum of all divisors σ(n): 56339712
Sum of proper divisors (its aliquot sum) s(n): 26196970
30142742 is a deficient number, because the sum of its proper divisors (26196970) is less than itself. Its deficiency is 3945772

Bases of 30142742

Binary: 1110010111111000100010110₂
Hexadecimal: 0x1CBF116
Base-36: HY2AE

Squares and roots of 30142742

30142742 squared (30142742²) is 908584895278564
30142742 cubed (30142742³) is 27387240083478772782488
The square root of 30142742 is 5490.2406140351
The cube root of 30142742 is 311.2152850215

Scales and comparisons

How big is 30142742?

30,142,742 seconds is equal to 49 weeks, 5 days, 20 hours, 59 minutes, 2 seconds.
To count from 1 to 30,142,742 would take you about twenty-two 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 30142742 cubic inches would be around 25.9 feet tall.

Recreational maths with 30142742

30142742 backwards is 24724103
30142742 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 30142742's digits is 23
More coming soon!

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The information we have on file for 30142742 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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