397128531 is an odd 9-digits composite number following 397128530
and preceding 397128532 . In scientific notation, it is written as 3.97128531 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 264752352 positive integers (up to 397128531) that are relatively prime to 397128531.
397128531 has 4 divisors, whose sum is 529504712
The reverse of 397128531 is 135821793
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
three hundred ninety-seven million one hundred twenty-eight thousand five hundred thirty-one
Scientific notation
3.97128531 × 10^8
Engineering notation
3.97128531 × 10^6
Prime Factorization
3 × 132376177
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
397128531
Product of the distinct prime numbers
The prime factorization of 397128531 is 3 × 132376177.
Since it has a total of 2 prime factors.
7 , 7 , 63 , 43 , 99 , 456 , 8696 , 9897 , 14672 , 40874 , 773402 , 431916 , 1504613 , 78491 , 58807148 , 41504043 , 743781300 , 857944652 , 4010083505 , 1085918832
n×2
794257062
n×3
1191385593
n×4
1588514124
n×5
1985642655
n÷2
198564265.5
n÷3
132376177
n÷3
99282132.75
n÷5
79425706.2
n2
157711070134217961
n3
6.263156560484E+25
n4
2.487278164288E+34
n5
9.8776912357208E+42
2 √n
19928.083977141
3 √n
735.03896688221
4 √n
141.16686571976
5 √n
52.454918652893
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
-397128530
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 397128531 can be divided by 4 positive divisors.
The sum of these divisors (counting 397128531) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111101010111011001101010011
3
Ternary
1000200021012221010
4
Quaternary
113222323031103
5
Quinary
1303131103111
6
Senary
103223502003
8
Octal
2752731523
10
Decimal
397128531
12
Duodecimal
b0bb7903
16
Hexadecimal
17abb353
20
Vigesimal
642116b
36
Base36
6kfuc3
md5
9538aab025521785c117d91dc8c9c48b
sha1
ed35f7881dbd389bdba0306a7174b142b766e844
sha256
770bf0112d0c842a51ee044c7f0687e29e217253dfa0f1cdcb4353fc0b0819f5
sha512
8058c95a1aec749328f1931e5b5a2fd9fc1760f8cf235e287a9f62c50e4b554fbc0d4be5df7a014ef4f0566482c1add38f309bff7bb80d0bd1706066b5dbebd1
ripemd-160
c22b0872fd914f254b75061c6ca88753191c3bf4
Diameter
794257062
Circumference
2495232151.041
Area
4.9546393932344E+17
Volume
2.6235048851599E+26
Surface area
1.9818557572938E+18
Circumference
2495232151.041
Perimeter
1588514124
Area
157711070134217961
Diagonal
561624554.5455
Surface area
946266420805307766
Volume
6.263156560484E+25
Space diagonal
687846792.82719
Perimeter
1191385593
Area
6.8290896597131E+16
Altitude
343923396.4136
Surface area
6.8290896597131E+16
Volume
7.3812007925854E+24
Height
187208184.8485