28438356 (number)

28438356 is an even 8-digits composite number following 28438355 and preceding 28438357. In scientific notation, it is written as 2.8438356 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 9479448 positive integers (up to 28438356) that are relatively prime to 28438356.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand three hundred fifty-six

Notation

Scientific notation 2.8438356 × 10^7
Engineering notation 2.8438356 × 10^6

Prime Factorization of 28438356

Prime Factorization 2 × 2 × 3 × 2369863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14219178
Product of the distinct prime numbers

The prime factorization of 28438356 is 2 × 2 × 3 × 2369863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28438356)

Multiplication

n×y
n×2 56876712
n×3 85315068
n×4 113753424
n×5 142191780

Division

n÷y
n÷2 14219178
n÷3 9479452
n÷3 7109589
n÷5 5687671.2

Exponentiation

ny
n2 808740091982736
n3 2.2999238647278E+22
n4 6.5406053638024E+29
n5 1.8600406379132E+37

Nth Root

y√n
2√n 5332.7625111194
3√n 305.23535001506
4√n 73.025766076908
5√n 30.95857037274

Divisors of 28438356

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 -28438355
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 28438356 can be divided by 12 positive divisors. The sum of these divisors (counting 28438356) is 1, the average is 0.083333333333333.

Base conversion 28438356

Base System Value
2 Binary 1101100011110111101010100
3 Ternary 1222111211002110
4 Quaternary 1230132331110
5 Quinary 24240011411
6 Senary 2453311020
8 Octal 154367524
10 Decimal 28438356
12 Duodecimal 9635470
16 Hexadecimal 1b1ef54
20 Vigesimal 8hefhg
36 Base36 gxj6c

Cryptographic Hash Functions

md5 322a94c06bb2f07c94fd33d4f020f59c
sha1 907b6a337181b5376a27f6e712d993f02a3b9746
sha256 05ae24a5517e16375c389c5850ee24d146776633da35fd3d8a2fe158155e5632
sha512 56bfdb61f0fe9c6dbedc459780d9b1133ae89888c52418feb6ba8f3c7427db63b1b038798c3cf444c7b743f95cd7593f118432f179ddf528b44eba53c443e0f4
ripemd-160 df1903329b0666e9dfc9fd7ec2e12689a219541b

28438356 as geometric shapes

Circle

Radius = n
Diameter 56876712
Circumference 178683460.57954
Area 2.5407319316365E+15

Sphere

Radius = n
Volume 9.6338985563262E+22
Surface area 1.0162927726546E+16
Circumference 178683460.57954

Square

Length = n
Perimeter 113753424
Area 808740091982736
Diagonal 40217908.746794

Cube

Length = n
Surface area 4852440551896416
Volume 2.2999238647278E+22
Space diagonal 49256677.475731

Equilateral Triangle

Length = n
Perimeter 85315068
Area 3.5019473235801E+14
Altitude 24628338.737866

Triangular Pyramid

Length = n
Surface area 3.5019473235801E+14
Volume 2.7104862682696E+21
Height 13405969.582265