397242309 is an odd 9-digits composite number following 397242308
and preceding 397242310 . In scientific notation, it is written as 3.97242309 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 260486640 positive integers (up to 397242309) that are relatively prime to 397242309.
397242309 has 8 divisors, whose sum is 538339552
The reverse of 397242309 is 903242793
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
three hundred ninety-seven million two hundred forty-two thousand three hundred nine
Scientific notation
3.97242309 × 10^8
Engineering notation
3.97242309 × 10^6
Prime Factorization
3 × 61 × 2170723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
397242309
Product of the distinct prime numbers
The prime factorization of 397242309 is 3 × 61 × 2170723.
Since it has a total of 3 prime factors.
2 , 10 , 50 , 17 , 534 , 130 , 5423 , 6751 , 23250 , 60826 , 821311 , 542159 , 9093354 , 1292309 , 27933636 , 58744219 , 842588225 , 60027940 , 9910117697 , 6810267657
n×2
794484618
n×3
1191726927
n×4
1588969236
n×5
1986211545
n÷2
198621154.5
n÷3
132414103
n÷3
99310577.25
n÷5
79448461.8
n2
157801452059651481
n3
6.2685413179729E+25
n4
2.4901298272134E+34
n5
9.8918492227204E+42
2 √n
19930.938487688
3 √n
735.10915681778
4 √n
141.17697577044
5 √n
52.457923993192
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
-397242308
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 397242309 can be divided by 8 positive divisors.
The sum of these divisors (counting 397242309) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101011010110111111000101
3
Ternary
1000200111000000010
4
Quaternary
113223112333011
5
Quinary
1303143223214
6
Senary
103230140433
8
Octal
2753267705
10
Decimal
397242309
12
Duodecimal
b1051719
16
Hexadecimal
17ad6fc5
20
Vigesimal
642f5f9
36
Base36
6kia4l
md5
520bd09487290ddb0b09f51bdb207840
sha1
faf005cc760d26ffae1e1c5f76d4a765fc1d0fd6
sha256
500bffc0f5ce83918dd25cd2c2c40dc565b33ba8ddd81fb67f21ca162f7fafc8
sha512
b96b2f6cb67b13fee607fc8d8e8236f1448e475798888378cf780951f23ad554a9c9112047b70c10c3ce7ee2ed31ceb3c732eb22e2b620fd8cf95fcf41b08ead
ripemd-160
81178e4478e5fcc9b7edc4e7cb2c91f818765534
Diameter
794484618
Circumference
2495947039.2989
Area
4.957478825164E+17
Volume
2.6257604471024E+26
Surface area
1.9829915300656E+18
Circumference
2495947039.2989
Perimeter
1588969236
Area
157801452059651481
Diagonal
561785460.9362
Surface area
946808712357908886
Volume
6.2685413179729E+25
Space diagonal
688043862.10398
Perimeter
1191726927
Area
6.8330033118865E+16
Altitude
344021931.05199
Surface area
6.8330033118865E+16
Volume
7.3875467901445E+24
Height
187261820.31207