308 (number)

308 is an even 3-digits composite number following 307 and preceding 309. In scientific notation, it is written as 3.08 × 10^2. The sum of its digits is 11. It has a total of 4 prime factors and 12 positive divisors. There are 120 positive integers (up to 308) that are relatively prime to 308.

Interesting facts

Basic properties

Name

Name three hundred eight

Notation

Scientific notation 3.08 × 10^2
Engineering notation 3.08 × 10^0

Prime Factorization of 308

Prime Factorization 2 × 2 × 11 × 7

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 154
Product of the distinct prime numbers

The prime factorization of 308 is 2 × 2 × 11 × 7. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 308)

Multiplication

n×y
n×2 616
n×3 924
n×4 1232
n×5 1540

Division

n÷y
n÷2 154
n÷3 102.66666666667
n÷3 77
n÷5 61.6

Exponentiation

ny
n2 94864
n3 29218112
n4 8999178496
n5 2771746976768

Nth Root

y√n
2√n 17.549928774784
3√n 6.7533134166938
4√n 4.189263512216
5√n 3.1456481457393

Divisors of 308

1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308

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 -307
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 308 can be divided by 12 positive divisors. The sum of these divisors (counting 308) is 1, the average is 0.083333333333333.

Base conversion 308

Base System Value
2 Binary 100110100
3 Ternary 102102
4 Quaternary 10310
5 Quinary 2213
6 Senary 1232
8 Octal 464
10 Decimal 308
12 Duodecimal 218
16 Hexadecimal 134
20 Vigesimal f8
36 Base36 8k

Cryptographic Hash Functions

md5 a8c88a0055f636e4a163a5e3d16adab7
sha1 3e0f83cc51276227de3cfebca941faace8aaa317
sha256 48a1706eca5ee6148f748ca91a0f7db6ebcf59943532044a7bf60bbe44e5b1d2
sha512 236de81fa49a808e7f82b540b4297b7b0bac73e12baac4f4a9c2a5b03849accb8ddad2ca4ad5f332eed24c6cdf767bbe2a7b84d8ca1fda816eaff9791713967f
ripemd-160 330086eff8f5ec7976fefb883055ce71ac6aaae7

308 as geometric shapes

Circle

Radius = n
Diameter 616
Circumference 1935.2210746113
Area 298024.04549014

Sphere

Radius = n
Volume 122388541.34795
Surface area 1192096.1819606
Circumference 1935.2210746113

Square

Length = n
Perimeter 1232
Area 94864
Diagonal 435.57777721091

Cube

Length = n
Surface area 569184
Volume 29218112
Space diagonal 533.47164873121

Equilateral Triangle

Length = n
Perimeter 924
Area 41077.316952303
Altitude 266.73582436561

Triangular Pyramid

Length = n
Surface area 41077.316952303
Volume 3443387.5214447
Height 145.19259240364