398949140

398,949,140 is an even composite number composed of three prime numbers multiplied together.

What does the number 398949140 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

398949140 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 398949140:

2² × 5 × 19947457

(2 × 2 × 5 × 19947457)

See below for interesting mathematical facts about the number 398949140 from the Numbermatics database.

Names of 398949140

Cardinal: 398949140 can be written as Three hundred ninety-eight million, nine hundred forty-nine thousand, one hundred forty.

Scientific notation

Scientific notation: 3.9894914 × 10⁸

Factors of 398949140

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 19947464

Divisors of 398949140

Number of divisors d(n): 12
Complete list of divisors:
1 2 4 5 10 20 19947457 39894914 79789828 99737285 199474570 398949140
Sum of all divisors σ(n): 837793236
Sum of proper divisors (its aliquot sum) s(n): 438844096
398949140 is an abundant number, because the sum of its proper divisors (438844096) is greater than itself. Its abundance is 39894956

Bases of 398949140

Binary: 10111110001110111101100010100₂
Hexadecimal: 0x17C77B14
Base-36: 6LIV4K

Squares and roots of 398949140

398949140 squared (398949140²) is 159160416306739600
398949140 cubed (398949140³) is 63496911207615739623944000
The square root of 398949140 is 19973.7112225045
The cube root of 398949140 is 736.1605003033

Scales and comparisons

How big is 398949140?

398,949,140 seconds is equal to 12 years, 35 weeks, 4 days, 11 hours, 12 minutes, 20 seconds.
To count from 1 to 398,949,140 would take you about nineteen 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 398949140 cubic inches would be around 61.3 feet tall.

Recreational maths with 398949140

398949140 backwards is 041949893
The number of decimal digits it has is: 9
The sum of 398949140's digits is 47
More coming soon!

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The information we have on file for 398949140 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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