394450981 is an odd 9-digits prime number following 394450980
and preceding 394450982 . In scientific notation, it is written as 3.94450981 × 10^8.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 394450980 positive integers (up to 394450981) that are relatively prime to 394450981.
394450981 has 2 divisors, whose sum is 394450982
The reverse of 394450981 is 189054493
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 43 Digital Root 7
Name
three hundred ninety-four million four hundred fifty thousand nine hundred eighty-one
Scientific notation
3.94450981 × 10^8
Engineering notation
3.94450981 × 10^6
Prime Factorization
394450981
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
394450981 Product of the distinct prime numbers
The prime factorization of 394450981 is 394450981.
Since it has a total of 1 prime factors.
10 , 1 , 26 , 23 , 215 , 657 , 9801 , 1385 , 99135 , 47983 , 701732 , 131831 , 2158551 , 7356619 , 93416604 , 16878831 , 118118548 , 497592601 , 2926856679 , 4681010872
n×2
788901962
n×3
1183352943
n×4
1577803924
n×5
1972254905
n÷2
197225490.5
n÷3
131483660.33333
n÷3
98612745.25
n÷5
78890196.2
n2
155591576411862361
n3
6.1373249950996E+25
n4
2.4208738650328E+34
n5
9.5491607093947E+42
2 √n19860.790039674
3 √n733.38329519566
4 √n140.92831525167
5 √n52.383994013199
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
394450982 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
197225491 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
19860.790064849 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999949297 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 394450981 can be divided by 2 positive divisors.
The sum of these divisors (counting 394450981) is 394450982, the average is 197225491.
Base
System
Value
2
Binary
10111100000101101100000100101
3
Ternary
1000111020012000121
4
Quaternary
113200231200211
5
Quinary
1301434412411
6
Senary
103050241541
8
Octal
2740554045
10
Decimal
394450981
12
Duodecimal
b01262b1
16
Hexadecimal
1782d825
20
Vigesimal
6356791
36
Base36
6iugbp
md5
646544ed2aa4a58e66fb014b060fe5c5
sha1
786509df4e33831b786a9c77e4529d40bc764147
sha256
976421860f53baa4056a4fdf8e5134190170d768a40b69181ee2a616349afdc7
sha512
9c690cf76bc3395ce67210b7d1fa3fec2d3d56048d1ba93c674c3621011ead4ee75892c4fa64584363c44194f30812b322df1c9828c46a084e217d9b29006596
ripemd-160
5b27d2d5173ef5702c73797c2f7297fefbf3f640
Diameter
788901962
Circumference
2478408608.2218
Area
4.8880535341596E+17
Volume
2.5707966823064E+26
Surface area
1.9552214136638E+18
Circumference
2478408608.2218
Perimeter
1577803924
Area
155591576411862361
Diagonal
557837927.02157
Surface area
933549458471174166
Volume
6.1373249950996E+25
Space diagonal
683209140.18739
Perimeter
1183352943
Area
6.737312889377E+16
Altitude
341604570.09369
Surface area
6.737312889377E+16
Volume
7.2329068706343E+24
Height
185945975.67386