397136991 is an odd 9-digits composite number following 397136990
and preceding 397136992 . In scientific notation, it is written as 3.97136991 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 255628352 positive integers (up to 397136991) that are relatively prime to 397136991.
397136991 has 8 divisors, whose sum is 547775280
The reverse of 397136991 is 199631793
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred ninety-seven million one hundred thirty-six thousand nine hundred ninety-one
Scientific notation
3.97136991 × 10^8
Engineering notation
3.97136991 × 10^6
Prime Factorization
3 × 29 × 4564793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
397136991
Product of the distinct prime numbers
The prime factorization of 397136991 is 3 × 29 × 4564793.
Since it has a total of 3 prime factors.
4 , 4 , 12 , 50 , 248 , 18 , 571 , 772 , 40899 , 66579 , 635347 , 819535 , 6866598 , 5317766 , 69600955 , 78171666 , 807441884 , 931614434 , 4141241780 , 4225413608
n×2
794273982
n×3
1191410973
n×4
1588547964
n×5
1985684955
n÷2
198568495.5
n÷3
132378997
n÷3
99284247.75
n÷5
79427398.2
n2
157717789620534081
n3
6.263556839707E+25
n4
2.4874901162787E+34
n5
9.8787433992116E+42
2 √n
19928.296239267
3 √n
735.0441863389
4 √n
141.16761753061
5 √n
52.455142139646
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-397136990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 397136991 can be divided by 8 positive divisors.
The sum of these divisors (counting 397136991) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101010111101010001011111
3
Ternary
1000200021122112110
4
Quaternary
113222331101133
5
Quinary
1303131340431
6
Senary
103224005103
8
Octal
2752752137
10
Decimal
397136991
12
Duodecimal
b1000793
16
Hexadecimal
17abd45f
20
Vigesimal
642229b
36
Base36
6kg0v3
md5
1d9f4888021cec5299f330cd31b0af1e
sha1
34d725e6622f3a8392ab4b877d211775e0594aef
sha256
a6df0e741b0309652660df38edfbde01d97415d2411b605d665c0881e74955f0
sha512
8788e33f8a28a18859445c38f7f901d7edb132939f66ac19a77a67739f4ee39889eb074ebd21f17f5926f9ddaa1d1722b050bbef5666d99f285167ee9671aad0
ripemd-160
71b95b32594f720db0403bdbb747f507f0cdddf1
Diameter
794273982
Circumference
2495285306.7887
Area
4.9548504921229E+17
Volume
2.6236725537287E+26
Surface area
1.9819401968492E+18
Circumference
2495285306.7887
Perimeter
1588547964
Area
157717789620534081
Diagonal
561636518.79224
Surface area
946306737723204486
Volume
6.263556839707E+25
Space diagonal
687861445.97702
Perimeter
1191410973
Area
6.8293806220056E+16
Altitude
343930722.98851
Surface area
6.8293806220056E+16
Volume
7.3816725261737E+24
Height
187212172.93075