397788139 is an odd 9-digits composite number following 397788138
and preceding 397788140 . In scientific notation, it is written as 3.97788139 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 340863720 positive integers (up to 397788139) that are relatively prime to 397788139.
397788139 has 8 divisors, whose sum is 454745088
The reverse of 397788139 is 931887793
Previous prime number is 5087
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred ninety-seven million seven hundred eighty-eight thousand one hundred thirty-nine
Scientific notation
3.97788139 × 10^8
Engineering notation
3.97788139 × 10^6
Prime Factorization
7 × 5087 × 11171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
397788139
Product of the distinct prime numbers
The prime factorization of 397788139 is 7 × 5087 × 11171.
Since it has a total of 3 prime factors.
10 , 3 , 81 , 63 , 266 , 49 , 1742 , 7310 , 20513 , 76376 , 629834 , 820718 , 2910079 , 997185 , 41568816 , 68463476 , 468441301 , 297003082 , 1308245079 , 6315538554
n×2
795576278
n×3
1193364417
n×4
1591152556
n×5
1988940695
n÷2
198894069.5
n÷3
132596046.33333
n÷3
99447034.75
n÷5
79557627.8
n2
158235403529083321
n3
6.2944166693748E+25
n4
2.5038442930012E+34
n5
9.9599956165871E+42
2 √n
19944.626820274
3 √n
735.44569448063
4 √n
141.22544678731
5 √n
52.472332017544
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
-397788138
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 397788139 can be divided by 8 positive divisors.
The sum of these divisors (counting 397788139) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101101011100001111101011
3
Ternary
1000201111201202001
4
Quaternary
113231130033223
5
Quinary
1303313210024
6
Senary
103245551431
8
Octal
2755341753
10
Decimal
397788139
12
Duodecimal
b1275577
16
Hexadecimal
17b5c3eb
20
Vigesimal
6463a6j
36
Base36
6ktzaj
md5
1a9bd22a4ae958340b7f89791c6c9b4e
sha1
ce1801c853d62bfaef902f55519f2bedc11749b1
sha256
c925a278eed7c1036e111674ffb745ddc1869c890045b18c70e5d0602ab28406
sha512
fbd2605362585b3002e67065a1adc9066e5c62eaeddad6b38df68f6459443ef0ea29b54f9164fb3fae9ceb9a3acb38c026162559d4b4ee6359c503e6cf0402bb
ripemd-160
3d893b31dfb5a4cc3861579ebc41280e1598ed5e
Diameter
795576278
Circumference
2499376590.3351
Area
4.9711118126478E+17
Volume
2.6365990889521E+26
Surface area
1.9884447250591E+18
Circumference
2499376590.3351
Perimeter
1591152556
Area
158235403529083321
Diagonal
562557381.12495
Surface area
949412421174499926
Volume
6.2944166693748E+25
Space diagonal
688989267.39627
Perimeter
1193364417
Area
6.8517939617134E+16
Altitude
344494633.69814
Surface area
6.8517939617134E+16
Volume
7.4180411842143E+24
Height
187519127.04165