228 (number)

228 is an even 3-digits composite number following 227 and preceding 229. In scientific notation, it is written as 2.28 × 10^2. The sum of its digits is 12. It has a total of 4 prime factors and 12 positive divisors. There are 72 positive integers (up to 228) that are relatively prime to 228.

Interesting facts

Basic properties

Name

Name two hundred twenty-eight

Notation

Scientific notation 2.28 × 10^2
Engineering notation 2.28 × 10^0

Prime Factorization of 228

Prime Factorization 2 × 2 × 19 × 3

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 114
Product of the distinct prime numbers

The prime factorization of 228 is 2 × 2 × 19 × 3. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 10, 83, 761, 130, 7969, 2899, 73795, 6921, 796297, 521045, 1495700, 3595375, 25720668, 30359859, 289249252, 537944506, 8768776638, 7235538822

Basic calculations (n = 228)

Multiplication

n×y
n×2 456
n×3 684
n×4 912
n×5 1140

Division

n÷y
n÷2 114
n÷3 76
n÷3 57
n÷5 45.6

Exponentiation

ny
n2 51984
n3 11852352
n4 2702336256
n5 616132666368

Nth Root

y√n
2√n 15.099668870541
3√n 6.1091147442896
4√n 3.8858292384691
5√n 2.9620130622867

Divisors of 228

1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228

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 -227
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 228 can be divided by 12 positive divisors. The sum of these divisors (counting 228) is 1, the average is 0.083333333333333.

Base conversion 228

Base System Value
2 Binary 11100100
3 Ternary 22110
4 Quaternary 3210
5 Quinary 1403
6 Senary 1020
8 Octal 344
10 Decimal 228
12 Duodecimal 170
16 Hexadecimal e4
20 Vigesimal b8
36 Base36 6c

Cryptographic Hash Functions

md5 74db120f0a8e5646ef5a30154e9f6deb
sha1 cad06f3c4901bbcd4a396dd83c4544a146d6e3e8
sha256 9d693eeee1d1899cbc50b6d45df953d3835acf28ee869879b45565fccc814765
sha512 e1d3400cd36334f7b8cb969797ede10084bd6071ba12e6ff2dc629eb778fe8138a3f268ee9ab90b61d95dff388fb906acd6f474f002447d2f0f4d9e97715f855
ripemd-160 65742ac2707fccaef159ace07f2d3a63e923c3dc

228 as geometric shapes

Circle

Radius = n
Diameter 456
Circumference 1432.5662500369
Area 163312.55250421

Sphere

Radius = n
Volume 49647015.96128
Surface area 653250.21001685
Circumference 1432.5662500369

Square

Length = n
Perimeter 912
Area 51984
Diagonal 322.44069222107

Cube

Length = n
Surface area 311904
Volume 11852352
Space diagonal 394.9075841257

Equilateral Triangle

Length = n
Perimeter 684
Area 22509.732295165
Altitude 197.45379206285

Triangular Pyramid

Length = n
Surface area 22509.732295165
Volume 1396813.0787017
Height 107.48023074036