42949890

42,949,890 is an even composite number composed of four prime numbers multiplied together.

What does the number 42949890 look like?

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

42949890 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 42949890:

2 × 3² × 5 × 477221

(2 × 3 × 3 × 5 × 477221)

See below for interesting mathematical facts about the number 42949890 from the Numbermatics database.

Names of 42949890

Cardinal: 42949890 can be written as Forty-two million, nine hundred forty-nine thousand, eight hundred ninety.

Scientific notation

Scientific notation: 4.294989 × 10⁷

Factors of 42949890

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 477231

Divisors of 42949890

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 5 6 9 10 15 18 30 45 90 477221 954442 1431663 2386105 2863326 4294989 4772210 7158315 8589978 14316630 21474945 42949890
Sum of all divisors σ(n): 111669948
Sum of proper divisors (its aliquot sum) s(n): 68720058
42949890 is an abundant number, because the sum of its proper divisors (68720058) is greater than itself. Its abundance is 25770168

Bases of 42949890

Binary: 10100011110101110100000010₂
Hexadecimal: 0x28F5D02
Base-36: PKKCI

Squares and roots of 42949890

42949890 squared (42949890²) is 1844693051012100
42949890 cubed (42949890³) is 79229363624734083669000
The square root of 42949890 is 6553.6165588169
The cube root of 42949890 is 350.2036637787

Scales and comparisons

How big is 42949890?

42,949,890 seconds is equal to 1 year, 19 weeks, 2 hours, 31 minutes, 30 seconds.
To count from 1 to 42,949,890 would take you about two 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 42949890 cubic inches would be around 29.2 feet tall.

Recreational maths with 42949890

42949890 backwards is 09894924
42949890 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 42949890's digits is 45
More coming soon!

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The information we have on file for 42949890 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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