400428

400,428 is an even composite number composed of four prime numbers multiplied together.

What does the number 400428 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 54 divisors.

400428 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-four divisors.

Prime factorization of 400428:

2² × 3² × 7² × 227

(2 × 2 × 3 × 3 × 7 × 7 × 227)

See below for interesting mathematical facts about the number 400428 from the Numbermatics database.

Names of 400428

Cardinal: 400428 can be written as Four hundred thousand, four hundred twenty-eight.

Scientific notation

Scientific notation: 4.00428 × 10⁵

Factors of 400428

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 239

Divisors of 400428

Number of divisors d(n): 54
Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 227 252 294 441 454 588 681 882 908 1362 1589 1764 2043 2724 3178 4086 4767 6356 8172 9534 11123 14301 19068 22246 28602 33369 44492 57204 66738 100107 133476 200214 400428
Sum of all divisors σ(n): 1182636
Sum of proper divisors (its aliquot sum) s(n): 782208
400428 is an abundant number, because the sum of its proper divisors (782208) is greater than itself. Its abundance is 381780

Bases of 400428

Binary: 1100001110000101100₂
Hexadecimal: 0x61C2C
Base-36: 8KZ0

Squares and roots of 400428

400428 squared (400428²) is 160342583184
400428 cubed (400428³) is 64205659899202752
The square root of 400428 is 632.7938052795
The cube root of 400428 is 73.7069000297

Scales and comparisons

How big is 400428?

400,428 seconds is equal to 4 days, 15 hours, 13 minutes, 48 seconds.
To count from 1 to 400,428 would take you about four days.

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 400428 cubic inches would be around 6.1 feet tall.

Recreational maths with 400428

400428 backwards is 824004
400428 is a Harshad number.
The number of decimal digits it has is: 6
The sum of 400428's digits is 18
More coming soon!

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The information we have on file for 400428 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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