728438 (number)

728438 is an even 6-digits composite number following 728437 and preceding 728439. In scientific notation, it is written as 7.28438 × 10^5. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 351540 positive integers (up to 728438) that are relatively prime to 728438.

Interesting facts

Basic properties

Name

Name seven hundred twenty-eight thousand four hundred thirty-eight

Notation

Scientific notation 7.28438 × 10^5
Engineering notation 7.28438 × 10^3

Prime Factorization of 728438

Prime Factorization 2 × 31 × 31 × 379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 23498
Product of the distinct prime numbers

The prime factorization of 728438 is 2 × 31 × 31 × 379. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 728438)

Multiplication

n×y
n×2 1456876
n×3 2185314
n×4 2913752
n×5 3642190

Division

n÷y
n÷2 364219
n÷3 242812.66666667
n÷3 182109.5
n÷5 145687.6

Exponentiation

ny
n2 530621919844
n3 386525170047323672
n4 2.8155962181893E+23
n5 2.0509872779854E+29

Nth Root

y√n
2√n 853.48579367204
3√n 89.976866482275
4√n 29.214479178518
5√n 14.87573792973

Divisors of 728438

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -728437
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 728438 can be divided by 12 positive divisors. The sum of these divisors (counting 728438) is 1, the average is 0.083333333333333.

Base conversion 728438

Base System Value
2 Binary 10110001110101110110
3 Ternary 1101000020012
4 Quaternary 2301311312
5 Quinary 141302223
6 Senary 23340222
8 Octal 2616566
10 Decimal 728438
12 Duodecimal 2b1672
16 Hexadecimal b1d76
20 Vigesimal 4b11i
36 Base36 fm2e

Cryptographic Hash Functions

md5 50c4e874dce5ba230eacf0f7ac533f3f
sha1 5db184118fce3ab5102ced0cc2d2a29a607855dc
sha256 4247a6d988e859315efcff12360cb71d30337b9b0523a6a1a62a5b0556e58a7f
sha512 ff34ebe38f7fcf0eb9a1a8e835690e61fd3568139ab4cd6d7abcc3092ef4271f74d35b8c776f97df4e3752713bfa8549cce9566fc263d1e44e361d129f95decd
ripemd-160 6011b18a87b8bc856af99019200bc1ee21ea0bb1

728438 as geometric shapes

Circle

Radius = n
Diameter 1456876
Circumference 4576910.9387913
Area 1666997925215.6

Sphere

Radius = n
Volume 1.6190728461976E+18
Surface area 6667991700862.5
Circumference 4576910.9387913

Square

Length = n
Perimeter 2913752
Area 530621919844
Diagonal 1030166.8989479

Cube

Length = n
Surface area 3183731519064
Volume 386525170047323672
Space diagonal 1261691.6261639

Equilateral Triangle

Length = n
Perimeter 2185314
Area 229766031194.89
Altitude 630845.81308193

Triangular Pyramid

Length = n
Surface area 229766031194.89
Volume 4.5552428139958E+16
Height 343388.96631598