397490638 is an even 9-digits composite number following 397490637
and preceding 397490639 . In scientific notation, it is written as 3.97490638 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 198717096 positive integers (up to 397490638) that are relatively prime to 397490638.
397490638 has 8 divisors, whose sum is 596320632
The reverse of 397490638 is 836094793
Previous prime number is 13477
Is Prime? no Number parity even Number length 9 Sum of Digits 49 Digital Root 4
Name
three hundred ninety-seven million four hundred ninety thousand six hundred thirty-eight
Scientific notation
3.97490638 × 10^8
Engineering notation
3.97490638 × 10^6
Prime Factorization
2 × 13477 × 14747
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
397490638 Product of the distinct prime numbers
The prime factorization of 397490638 is 2 × 13477 × 14747.
Since it has a total of 3 prime factors.
5 , 4 , 72 , 14 , 365 , 84 , 3564 , 5056 , 65957 , 21516 , 872859 , 70518 , 2261190 , 8163824 , 16118792 , 20758502 , 324440618 , 487326331 , 2330717740 , 7422433099
n×2
794981276
n×3
1192471914
n×4
1589962552
n×5
1987453190
n÷2
198745319
n÷3
132496879.33333
n÷3
99372659.5
n÷5
79498127.6
n2
157998807297647044
n3
6.2803046715981E+25
n4
2.4963623107479E+34
n5
9.9228064757834E+42
2 √n19937.167251142
3 √n735.26230506995
4 √n141.19903417213
5 √n52.464480982384
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
-397490637 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 397490638 can be divided by 8 positive divisors.
The sum of these divisors (counting 397490638) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101100010011100111001110
3
Ternary
1000200221121122111
4
Quaternary
113230103213032
5
Quinary
1303224200023
6
Senary
103235334234
8
Octal
2754234716
10
Decimal
397490638
12
Duodecimal
b115137a
16
Hexadecimal
17b139ce
20
Vigesimal
64466bi
36
Base36
6knlqm
md5
02248a69dea4cef822fb735b1c8d5d22
sha1
7f2ddbb43b412238504d5eea9790519999866927
sha256
8055b15270b72ac86b4e806bce136d4bf9c6563f67056b6a5e4e38cb6dcc73e3
sha512
c8d0a7969136b9fb5f8c152e177a87b725da6e8e16ce2e8225ea1db268f9343152484fd23a01f40bb52a567216d4105cff8205b9663413afefa88711a3213efd
ripemd-160
262a46a24d4c8463ab52cdad9a2895457e5dec3b
Diameter
794981276
Circumference
2497507336.423
Area
4.9636789228224E+17
Volume
2.6306878691464E+26
Surface area
1.9854715691289E+18
Circumference
2497507336.423
Perimeter
1589962552
Area
157998807297647044
Diagonal
562136651.17593
Surface area
947992843785882264
Volume
6.2803046715981E+25
Space diagonal
688473980.54897
Perimeter
1192471914
Area
6.8415490443702E+16
Altitude
344236990.27448
Surface area
6.8415490443702E+16
Volume
7.4014100353409E+24
Height
187378883.72531