398881390

398,881,390 is an even composite number composed of three prime numbers multiplied together.

What does the number 398881390 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

398881390 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 398881390:

2 × 5 × 39888139

See below for interesting mathematical facts about the number 398881390 from the Numbermatics database.

Names of 398881390

Cardinal: 398881390 can be written as Three hundred ninety-eight million, eight hundred eighty-one thousand, three hundred ninety.

Scientific notation

Scientific notation: 3.9888139 × 10⁸

Factors of 398881390

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 39888146

Divisors of 398881390

Number of divisors d(n): 8
Complete list of divisors:
1 2 5 10 39888139 79776278 199440695 398881390
Sum of all divisors σ(n): 717986520
Sum of proper divisors (its aliquot sum) s(n): 319105130
398881390 is a deficient number, because the sum of its proper divisors (319105130) is less than itself. Its deficiency is 79776260

Bases of 398881390

Binary: 10111110001100111001001101110₂
Hexadecimal: 0x17C6726E
Base-36: 6LHEUM

Squares and roots of 398881390

398881390 squared (398881390²) is 159106363288332100
398881390 cubed (398881390³) is 63464567346294878829619000
The square root of 398881390 is 19972.0151712341
The cube root of 398881390 is 736.1188260711

Scales and comparisons

How big is 398881390?

398,881,390 seconds is equal to 12 years, 35 weeks, 3 days, 16 hours, 23 minutes, 10 seconds.
To count from 1 to 398,881,390 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 398881390 cubic inches would be around 61.3 feet tall.

Recreational maths with 398881390

398881390 backwards is 093188893
The number of decimal digits it has is: 9
The sum of 398881390's digits is 49
More coming soon!

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The information we have on file for 398881390 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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