20385939 is an odd 8-digits composite number following 20385938
and preceding 20385940 . In scientific notation, it is written as 2.0385939 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 11625120 positive integers (up to 20385939) that are relatively prime to 20385939.
20385939 has 8 divisors, whose sum is 21400720
The reverse of 20385939 is 93958302
Previous prime number is 1171
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million three hundred eighty-five thousand nine hundred thirty-nine
Scientific notation
2.0385939 × 10^7
Engineering notation
2.0385939 × 10^6
Prime Factorization
21 × 1171 × 829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20385939
Product of the distinct prime numbers
The prime factorization of 20385939 is 21 × 1171 × 829.
Since it has a total of 3 prime factors.
5 , 2 , 75 , 71 , 675 , 3 , 4769 , 3057 , 93032 , 27877 , 129983 , 353460 , 7208078 , 1564890 , 568740 , 39232326 , 459577836 , 518312550 , 9026540014 , 6361944260
n×2
40771878
n×3
61157817
n×4
81543756
n×5
101929695
n÷2
10192969.5
n÷3
6795313
n÷3
5096484.75
n÷5
4077187.8
n2
415586508911721
n3
8.4721212198973E+21
n4
1.7271214638943E+29
n5
3.520899280854E+36
2 √n
4515.0790690751
3 √n
273.17664907923
4 √n
67.194338073048
5 √n
28.964507215194
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
-20385938
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 20385939 can be divided by 8 positive divisors.
The sum of these divisors (counting 20385939) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110001000010010011
3
Ternary
1102100201020210
4
Quaternary
1031301002103
5
Quinary
20204322224
6
Senary
2004535203
8
Octal
115610223
10
Decimal
20385939
12
Duodecimal
69b1503
16
Hexadecimal
1371093
20
Vigesimal
6784gj
36
Base36
c4xw3
md5
7262d26f3ec1dddb139905426cb8231a
sha1
71a4c4c78b61e8ff82afc1d07b7b4b974a5af53f
sha256
63a83da20b1a2bac33f635b9c142b0e6730888b450bec696b634b807c720094f
sha512
7e0733f6c17c8657e16860d956e857ffe3306857e56f34af31e085b87b6164a6f1177a5023e79a76933055386c70c589eb86b761f537edda2db4d44e263e97d9
ripemd-160
d189c15544567c5fb157a6d24b473f6c9351d980
Diameter
40771878
Circumference
128088632.39786
Area
1.3056035233281E+15
Volume
3.5487938379669E+22
Surface area
5.2224140933124E+15
Circumference
128088632.39786
Perimeter
81543756
Area
415586508911721
Diagonal
28830071.415511
Surface area
2493519053470326
Volume
8.4721212198973E+21
Space diagonal
35309482.108
Perimeter
61157817
Area
1.7995423709382E+14
Altitude
17654741.054
Surface area
1.7995423709382E+14
Volume
9.984490609373E+20
Height
9610023.8051702