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.
308 has 12 divisors, whose sum is 672
The reverse of 308 is 803
Previous prime number is 11
Is Prime? no
Number parity even
Number length 3
Sum of Digits 11
Digital Root 2
Scientific notation
3.08 × 10^2
Engineering notation
3.08 × 10^0
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.
4 , 3 , 36 , 99 , 762 , 910 , 1543 , 3495 , 12278 , 41911 , 212569 , 121046 , 2269002 , 8808301 , 10530828 , 63086615 , 299310815 , 268858951 , 4092260062 , 2226657184
n×2
616
n×3
924
n×4
1232
n×5
1540
n÷2
154
n÷3
102.66666666667
n÷3
77
n÷5
61.6
n2
94864
n3
29218112
n4
8999178496
n5
2771746976768
2 √n
17.549928774784
3 √n
6.7533134166938
4 √n
4.189263512216
5 √n
3.1456481457393
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
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
md5
a8c88a0055f636e4a163a5e3d16adab7
sha1
3e0f83cc51276227de3cfebca941faace8aaa317
sha256
48a1706eca5ee6148f748ca91a0f7db6ebcf59943532044a7bf60bbe44e5b1d2
sha512
236de81fa49a808e7f82b540b4297b7b0bac73e12baac4f4a9c2a5b03849accb8ddad2ca4ad5f332eed24c6cdf767bbe2a7b84d8ca1fda816eaff9791713967f
ripemd-160
330086eff8f5ec7976fefb883055ce71ac6aaae7
Diameter
616
Circumference
1935.2210746113
Area
298024.04549014
Volume
122388541.34795
Surface area
1192096.1819606
Circumference
1935.2210746113
Perimeter
1232
Area
94864
Diagonal
435.57777721091
Surface area
569184
Volume
29218112
Space diagonal
533.47164873121
Perimeter
924
Area
41077.316952303
Altitude
266.73582436561
Surface area
41077.316952303
Volume
3443387.5214447
Height
145.19259240364