397658945 is an odd 9-digits composite number following 397658944
and preceding 397658946 . In scientific notation, it is written as 3.97658945 × 10^8.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 317975040 positive integers (up to 397658945) that are relatively prime to 397658945.
397658945 has 8 divisors, whose sum is 477418920
The reverse of 397658945 is 549856793
Previous prime number is 2221
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
three hundred ninety-seven million six hundred fifty-eight thousand nine hundred forty-five
Scientific notation
3.97658945 × 10^8
Engineering notation
3.97658945 × 10^6
Prime Factorization
5 × 2221 × 35809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
397658945
Product of the distinct prime numbers
The prime factorization of 397658945 is 5 × 2221 × 35809.
Since it has a total of 3 prime factors.
4 , 5 , 68 , 51 , 778 , 92 , 8302 , 5268 , 95325 , 40150 , 848930 , 767434 , 5084429 , 7969348 , 23435371 , 60625517 , 84258916 , 873873944 , 7356807942 , 9339405854
n×2
795317890
n×3
1192976835
n×4
1590635780
n×5
1988294725
n÷2
198829472.5
n÷3
132552981.66667
n÷3
99414736.25
n÷5
79531789
n2
158132636538513025
n3
6.2882857415974E+25
n4
2.5005930738621E+34
n5
9.9438320362633E+42
2 √n
19941.387740075
3 √n
735.36606628163
4 √n
141.21397855763
5 √n
52.468923172151
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
-397658944
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 397658945 can be divided by 8 positive divisors.
The sum of these divisors (counting 397658945) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101100111100101101000001
3
Ternary
1000201021011112002
4
Quaternary
113230330231001
5
Quinary
1303300041240
6
Senary
103243113345
8
Octal
2754745501
10
Decimal
397658945
12
Duodecimal
b1212855
16
Hexadecimal
17b3cb41
20
Vigesimal
6457775
36
Base36
6kr7lt
md5
dba09ace49731c7b84eaa88eb67b81b8
sha1
1cfcc10e802f43d4fa2e60a5ddb47dcdefe4c32d
sha256
557006459ef14efa09c67df4aad7763d3f1ffc2bf1ca91c7c387b7e032a669cc
sha512
db2972af30ede0e1311aa0b8f15ba93b878ac574049bf4a418a7af4eab07a28b3f790c13f274270dfb07e086a0fcdcf0aa625d53d207054089e3832aef0baef9
ripemd-160
98a11f7033df8633a93502c09ca026a9dc9a0360
Diameter
795317890
Circumference
2498564840.4925
Area
4.9678832924218E+17
Volume
2.6340309719301E+26
Surface area
1.9871533169687E+18
Circumference
2498564840.4925
Perimeter
1590635780
Area
158132636538513025
Diagonal
562374673.21798
Surface area
948795819231078150
Volume
6.2882857415974E+25
Space diagonal
688765496.82424
Perimeter
1192976835
Area
6.8473440204882E+16
Altitude
344382748.41212
Surface area
6.8473440204882E+16
Volume
7.4108158165369E+24
Height
187458224.40599