394 is an even 3-digits composite number following 393
and preceding 395 . In scientific notation, it is written as 3.94 × 10^2.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 196 positive integers (up to 394) that are relatively prime to 394.
394 has 4 divisors, whose sum is 594
The reverse of 394 is 493
Previous prime number is 2
Is Prime? no
Number parity even
Number length 3
Sum of Digits 16
Digital Root 7
Name
three hundred ninety-four
Scientific notation
3.94 × 10^2
Engineering notation
3.94 × 10^0
Prime Factorization
2 × 197
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
394
Product of the distinct prime numbers
The prime factorization of 394 is 2 × 197.
Since it has a total of 2 prime factors.
4 , 4 , 72 , 58 , 557 , 808 , 1166 , 3080 , 3369 , 42300 , 461271 , 92680 , 5011342 , 2674642 , 60614707 , 44933778 , 658984113 , 714567842 , 539387065 , 2498239065
n×2
788
n×3
1182
n×4
1576
n×5
1970
n÷2
197
n÷3
131.33333333333
n÷3
98.5
n÷5
78.8
n2
155236
n3
61162984
n4
24098215696
n5
9494696984224
2 √n
19.849433241279
3 √n
7.3310369301853
4 √n
4.4552702770179
5 √n
3.3044504524712
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-393
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 394 can be divided by 4 positive divisors.
The sum of these divisors (counting 394) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010
3
Ternary
112121
4
Quaternary
12022
5
Quinary
3034
6
Senary
1454
8
Octal
612
10
Decimal
394
12
Duodecimal
28a
16
Hexadecimal
18a
20
Vigesimal
je
36
Base36
ay
md5
28f0b864598a1291557bed248a998d4e
sha1
bc62305b6cff49d43aed5f6550716c89890a3ccc
sha256
04d19fde0a08b17aca69491e714bea43565384d12a63626e08477662cc03780e
sha512
c2ecf9109ef89a73d081161c67eb0eb1cdb1377e35af79ad2928b3cd84e86902af3f2b0007c2713463aaa44069e12536b6471cfcebb99007923e09b76de03c58
ripemd-160
3dfae353e61ec8330bcd35b5a06c20a2485492c7
Diameter
788
Circumference
2475.5750110288
Area
487688.27717267
Volume
256198908.27471
Surface area
1950753.1086907
Circumference
2475.5750110288
Perimeter
1576
Area
155236
Diagonal
557.200143575
Surface area
931416
Volume
61162984
Space diagonal
682.42801818214
Perimeter
1182
Area
67219.159790941
Altitude
341.21400909107
Surface area
67219.159790941
Volume
7208126.7906674
Height
185.73338119167