397490639 is an odd 9-digits composite number following 397490638
and preceding 397490640 . In scientific notation, it is written as 3.97490639 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 314498016 positive integers (up to 397490639) that are relatively prime to 397490639.
397490639 has 8 divisors, whose sum is 489219360
The reverse of 397490639 is 936094793
Previous prime number is 7
Is Prime? no Number parity odd Number length 9 Sum of Digits 50 Digital Root 5
Name
three hundred ninety-seven million four hundred ninety thousand six hundred thirty-nine
Scientific notation
3.97490639 × 10^8
Engineering notation
3.97490639 × 10^6
Prime Factorization
13 × 7 × 4368029
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
397490639 Product of the distinct prime numbers
The prime factorization of 397490639 is 13 × 7 × 4368029.
Since it has a total of 3 prime factors.
2 , 7 , 38 , 65 , 972 , 590 , 1100 , 6153 , 65416 , 74279 , 772237 , 427652 , 3374580 , 3964676 , 77387726 , 39087666 , 998737395 , 684434062 , 5174108324 , 1081879739
n×2
794981278
n×3
1192471917
n×4
1589962556
n×5
1987453195
n÷2
198745319.5
n÷3
132496879.66667
n÷3
99372659.75
n÷5
79498127.8
n2
157998808092628321
n3
6.2803047189977E+25
n4
2.4963623358691E+34
n5
9.9228066006015E+42
2 √n19937.167276221
3 √n735.26230568654
4 √n141.19903426093
5 √n52.464481008781
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
-397490638 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 397490639 can be divided by 8 positive divisors.
The sum of these divisors (counting 397490639) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101100010011100111001111
3
Ternary
1000200221121122112
4
Quaternary
113230103213033
5
Quinary
1303224200024
6
Senary
103235334235
8
Octal
2754234717
10
Decimal
397490639
12
Duodecimal
b115137b
16
Hexadecimal
17b139cf
20
Vigesimal
64466bj
36
Base36
6knlqn
md5
6fc99589a01ca848d15464b0a49743de
sha1
bf029712a24477e5711a45a1e1e5d5197c132f4a
sha256
a636f9f0d466ed2ca34bacd7edf9cccbf97a43ebe28c0d84f7d81cf0793f411b
sha512
3e1908211e0c21c275ea5ddc6a1d262b72830d32291a887fdce00ca6b7f46b2f4565a411dc2453b45f2329bc673f66aa3db91afd234c73744debae63158130c2
ripemd-160
7225860753d4c51c9173984eeea24f6b0532df67
Diameter
794981278
Circumference
2497507342.7062
Area
4.9636789477974E+17
Volume
2.6306878890011E+26
Surface area
1.985471579119E+18
Circumference
2497507342.7062
Perimeter
1589962556
Area
157998808092628321
Diagonal
562136652.59015
Surface area
947992848555769926
Volume
6.2803047189977E+25
Space diagonal
688473982.28102
Perimeter
1192471917
Area
6.8415490787939E+16
Altitude
344236991.14051
Surface area
6.8415490787939E+16
Volume
7.4014100912019E+24
Height
187378884.19672