397138515 is an odd 9-digits composite number following 397138514
and preceding 397138516 . In scientific notation, it is written as 3.97138515 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 211525632 positive integers (up to 397138515) that are relatively prime to 397138515.
397138515 has 8 divisors, whose sum is 424177600
The reverse of 397138515 is 515831793
Previous prime number is 769
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
three hundred ninety-seven million one hundred thirty-eight thousand five hundred fifteen
Scientific notation
3.97138515 × 10^8
Engineering notation
3.97138515 × 10^6
Prime Factorization
15 × 769 × 34429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
397138515
Product of the distinct prime numbers
The prime factorization of 397138515 is 15 × 769 × 34429.
Since it has a total of 3 prime factors.
4 , 3 , 9 , 98 , 33 , 225 , 2401 , 5654 , 40732 , 41620 , 148686 , 207162 , 8257771 , 3582987 , 95960395 , 62866657 , 788739796 , 494862019 , 2337654225 , 6805181019
n×2
794277030
n×3
1191415545
n×4
1588554060
n×5
1985692575
n÷2
198569257.5
n÷3
132379505
n÷3
99284628.75
n÷5
79427703
n2
157719000096405225
n3
6.2636289485571E+25
n4
2.487528299141E+34
n5
9.8789329474133E+42
2 √n
19928.334476318
3 √n
735.04512657358
4 √n
141.16775296192
5 √n
52.455182398557
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
-397138514
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 397138515 can be divided by 8 positive divisors.
The sum of these divisors (counting 397138515) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101010111101101001010011
3
Ternary
1000200021201121220
4
Quaternary
113222331221103
5
Quinary
1303131413030
6
Senary
103224020123
8
Octal
2752755123
10
Decimal
397138515
12
Duodecimal
b1001643
16
Hexadecimal
17abda53
20
Vigesimal
642265f
36
Base36
6kg21f
md5
08c65e4034299cd20cd4355df22eb82f
sha1
9f167297ad108bbe06109dcbcfac42d695501d2e
sha256
8bbee1a0744145d22164c3f1ddf21a409e03bd1b0e0d796b6e0aef1e34e2babb
sha512
a950f4c98973603a6d07b9e542f51bdc7ba6e410943214d84a535edc2a6f775f735a43df34640c82c4446b8bedc7257717a2a50be86ae5f2639fbcc431a65653
ripemd-160
466051dc6521df3c34f2fbf9cd8a4cf010d439e9
Diameter
794277030
Circumference
2495294882.3631
Area
4.9548885203439E+17
Volume
2.6237027586133E+26
Surface area
1.9819554081376E+18
Circumference
2495294882.3631
Perimeter
1588554060
Area
157719000096405225
Diagonal
561638674.05371
Surface area
946314000578431350
Volume
6.2636289485571E+25
Space diagonal
687864085.62245
Perimeter
1191415545
Area
6.8294330371484E+16
Altitude
343932042.81123
Surface area
6.8294330371484E+16
Volume
7.3817575072685E+24
Height
187212891.35124