28393428 (number)

28393428 is an even 8-digits composite number following 28393427 and preceding 28393429. In scientific notation, it is written as 2.8393428 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 8112384 positive integers (up to 28393428) that are relatively prime to 28393428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8393428 × 10^7
Engineering notation 2.8393428 × 10^6

Prime Factorization of 28393428

Prime Factorization 2 × 2 × 3 × 7 × 338017

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14196714
Product of the distinct prime numbers

The prime factorization of 28393428 is 2 × 2 × 3 × 7 × 338017. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28393428)

Multiplication

n×y
n×2 56786856
n×3 85180284
n×4 113573712
n×5 141967140

Division

n÷y
n÷2 14196714
n÷3 9464476
n÷3 7098357
n÷5 5678685.6

Exponentiation

ny
n2 806186753591184
n3 2.2890405542645E+22
n4 6.4993708166589E+29
n5 1.8453941732811E+37

Nth Root

y√n
2√n 5328.5483952011
3√n 305.07452447468
4√n 72.99690675091
5√n 30.948782279175

Divisors of 28393428

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28393427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28393428 can be divided by 24 positive divisors. The sum of these divisors (counting 28393428) is 1, the average is 0.041666666666667.

Base conversion 28393428

Base System Value
2 Binary 1101100010011111111010100
3 Ternary 1222102112110110
4 Quaternary 1230103333110
5 Quinary 24232042203
6 Senary 2452323020
8 Octal 154237724
10 Decimal 28393428
12 Duodecimal 9613470
16 Hexadecimal 1b13fd4
20 Vigesimal 8h93b8
36 Base36 gwkic

Cryptographic Hash Functions

md5 4f8a947a37a97368ba1dd5496b79cd5d
sha1 57e4daed29fa9c0d48965e3ddfa697f71ee0d442
sha256 4a23fd42635c52c54f899e1a47106d77be81cbcb8f2d3285fa6444cef0a7707e
sha512 d8bea80e78b3847aa138ae2334db0d1510afa7f0bcbf39147d036acd4b28ce10237d395968618dd8fc0b9be8bf51f880a88f4d6c8a5b6b591e47147ea777fb7f
ripemd-160 d10997100db38321ae72d66c0561edd94ca5d219

28393428 as geometric shapes

Circle

Radius = n
Diameter 56786856
Circumference 178401169.63006
Area 2.5327103825035E+15

Sphere

Radius = n
Volume 9.588310652062E+22
Surface area 1.0130841530014E+16
Circumference 178401169.63006

Square

Length = n
Perimeter 113573712
Area 806186753591184
Diagonal 40154370.959864

Cube

Length = n
Surface area 4837120521547104
Volume 2.2890405542645E+22
Space diagonal 49178859.897049

Equilateral Triangle

Length = n
Perimeter 85180284
Area 3.4908910440224E+14
Altitude 24589429.948524

Triangular Pyramid

Length = n
Surface area 3.4908910440224E+14
Volume 2.6976601638857E+21
Height 13384790.319955