28438338 (number)

28438338 is an even 8-digits composite number following 28438337 and preceding 28438339. In scientific notation, it is written as 2.8438338 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 9248160 positive integers (up to 28438338) that are relatively prime to 28438338.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8438338 × 10^7
Engineering notation 2.8438338 × 10^6

Prime Factorization of 28438338

Prime Factorization 2 × 3 × 41 × 115603

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28438338
Product of the distinct prime numbers

The prime factorization of 28438338 is 2 × 3 × 41 × 115603. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28438338)

Multiplication

n×y
n×2 56876676
n×3 85315014
n×4 113753352
n×5 142191690

Division

n÷y
n÷2 14219169
n÷3 9479446
n÷3 7109584.5
n÷5 5687667.6

Exponentiation

ny
n2 808739068202244
n3 2.299919497534E+22
n4 6.5405888043663E+29
n5 1.8600347513759E+37

Nth Root

y√n
2√n 5332.7608234385
3√n 305.23528561568
4√n 73.025754521528
5√n 30.958566453706

Divisors of 28438338

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438337
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438338 can be divided by 16 positive divisors. The sum of these divisors (counting 28438338) is 1, the average is 0.0625.

Base conversion 28438338

Base System Value
2 Binary 1101100011110111101000010
3 Ternary 1222111211001210
4 Quaternary 1230132331002
5 Quinary 24240011323
6 Senary 2453310550
8 Octal 154367502
10 Decimal 28438338
12 Duodecimal 9635456
16 Hexadecimal 1b1ef42
20 Vigesimal 8hefgi
36 Base36 gxj5u

Cryptographic Hash Functions

md5 fe85f4e55272739ba25619ced48b403e
sha1 6143f22c164a29d7a37f48bf317566fe251749c0
sha256 01f88a10ea9b588a8f740896a0026504d6bf3ce85d998fd1279619e4e0e64f34
sha512 f34ea381aec24167bb5d33015d7deb01cb20639c4883f4606b4463f69dd64a534a5240706279e906b36988f94e5df8a893e004da68d537e7107303a27c9e35b9
ripemd-160 cd4883e1f57a0723f874e635112b6a9e8c606add

28438338 as geometric shapes

Circle

Radius = n
Diameter 56876676
Circumference 178683347.48221
Area 2.5407287153352E+15

Sphere

Radius = n
Volume 9.6338802630679E+22
Surface area 1.0162914861341E+16
Circumference 178683347.48221

Square

Length = n
Perimeter 113753352
Area 808739068202244
Diagonal 40217883.29095

Cube

Length = n
Surface area 4852434409213464
Volume 2.299919497534E+22
Space diagonal 49256646.298817

Equilateral Triangle

Length = n
Perimeter 85315014
Area 3.5019428904805E+14
Altitude 24628323.149408

Triangular Pyramid

Length = n
Surface area 3.5019428904805E+14
Volume 2.7104811214825E+21
Height 13405961.096983