28438230 (number)

28438230 is an even 8-digits composite number following 28438229 and preceding 28438231. In scientific notation, it is written as 2.8438230 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 7563872 positive integers (up to 28438230) that are relatively prime to 28438230.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8438230 × 10^7
Engineering notation 2.8438230 × 10^6

Prime Factorization of 28438230

Prime Factorization 2 × 3 × 5 × 479 × 1979

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28438230
Product of the distinct prime numbers

The prime factorization of 28438230 is 2 × 3 × 5 × 479 × 1979. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28438230)

Multiplication

n×y
n×2 56876460
n×3 85314690
n×4 113752920
n×5 142191150

Division

n÷y
n÷2 14219115
n÷3 9479410
n÷3 7109557.5
n÷5 5687646

Exponentiation

ny
n2 808732925532900
n3 2.2998932944877E+22
n4 6.54048944841E+29
n5 1.8599994324646E+37

Nth Root

y√n
2√n 5332.7506973419
3√n 305.23489921883
4√n 73.02568518913
5√n 30.958542939461

Divisors of 28438230

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438229
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438230 can be divided by 32 positive divisors. The sum of these divisors (counting 28438230) is 1, the average is 0.03125.

Base conversion 28438230

Base System Value
2 Binary 1101100011110111011010110
3 Ternary 1222111210220210
4 Quaternary 1230132323112
5 Quinary 24240010410
6 Senary 2453310250
8 Octal 154367326
10 Decimal 28438230
12 Duodecimal 9635386
16 Hexadecimal 1b1eed6
20 Vigesimal 8hefba
36 Base36 gxj2u

Cryptographic Hash Functions

md5 a13e102e557125a95d50597c753367ac
sha1 4ad3205b4a934f18c5a54611d23a718f8db2b788
sha256 8bc4479e72f90f032a91eb29015fc4abe7f59fcb9f44a477b7d36edd7de728eb
sha512 87f4e0acb6517aff3f877d5215f8af9f4047101f47ed71406033654004935fc17fa774941d5b1ee7d2a87767200e07f822759a116d69c1ecd0350953e8566e0d
ripemd-160 4aafc62e9e0b6380686d7a5787dd3f0f0b91f9c5

28438230 as geometric shapes

Circle

Radius = n
Diameter 56876460
Circumference 178682668.89819
Area 2.5407094175703E+15

Sphere

Radius = n
Volume 9.6337705040042E+22
Surface area 1.0162837670281E+16
Circumference 178682668.89819

Square

Length = n
Perimeter 113752920
Area 808732925532900
Diagonal 40217730.555885

Cube

Length = n
Surface area 4852397553197400
Volume 2.2998932944877E+22
Space diagonal 49256459.237329

Equilateral Triangle

Length = n
Perimeter 85314690
Area 3.501916291942E+14
Altitude 24628229.618665

Triangular Pyramid

Length = n
Surface area 3.501916291942E+14
Volume 2.7104502408963E+21
Height 13405910.185295