20385917 is an odd 8-digits composite number following 20385916
and preceding 20385918 . In scientific notation, it is written as 2.0385917 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 19312956 positive integers (up to 20385917) that are relatively prime to 20385917.
20385917 has 4 divisors, whose sum is 21458880
The reverse of 20385917 is 71958302
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million three hundred eighty-five thousand nine hundred seventeen
Scientific notation
2.0385917 × 10^7
Engineering notation
2.0385917 × 10^6
Prime Factorization
19 × 1072943
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20385917
Product of the distinct prime numbers
The prime factorization of 20385917 is 19 × 1072943.
Since it has a total of 2 prime factors.
2 , 6 , 18 , 40 , 197 , 430 , 6936 , 737 , 43699 , 59482 , 587258 , 274190 , 7859624 , 8900778 , 22346827 , 87184246 , 172993865 , 624968325 , 2460418435 , 4184149139
n×2
40771834
n×3
61157751
n×4
81543668
n×5
101929585
n÷2
10192958.5
n÷3
6795305.6666667
n÷3
5096479.25
n÷5
4077183.4
n2
415585611930889
n3
8.4720937912173E+21
n4
1.7271140084397E+29
n5
3.5208802825589E+36
2 √n
4515.0766327937
3 √n
273.1765508107
4 √n
67.194319944425
5 √n
28.964500963636
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20385916
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20385917 can be divided by 4 positive divisors.
The sum of these divisors (counting 20385917) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110001000001111101
3
Ternary
1102100201012222
4
Quaternary
1031301001331
5
Quinary
20204322132
6
Senary
2004535125
8
Octal
115610175
10
Decimal
20385917
12
Duodecimal
69b14a5
16
Hexadecimal
137107d
20
Vigesimal
6784fh
36
Base36
c4xvh
md5
20472cbb5b95e7dd33596bf297544c59
sha1
7e36a03ebc0c26e80cf702fa0850814f0c76a21a
sha256
92ec5a301209be2b177e2f34f63180cfa91bcbd8c4336498cf96bfeb50af326b
sha512
56314bb6b22135fc88ab3d0286f6f53bd0c182e7e5de5856bd29887ef6322512337be13f6a305eef4d6182e769fcee350d8e098cd278eaa78e873f97f341fc09
ripemd-160
d9388914f467123fbb5ae4f4f88d1b194243f544
Diameter
40771834
Circumference
128088494.16778
Area
1.3056007053797E+15
Volume
3.5487823486683E+22
Surface area
5.2224028215188E+15
Circumference
128088494.16778
Perimeter
81543668
Area
415585611930889
Diagonal
28830040.302812
Surface area
2493513671585334
Volume
8.4720937912173E+21
Space diagonal
35309444.002882
Perimeter
61157751
Area
1.7995384868973E+14
Altitude
17654722.001441
Surface area
1.7995384868973E+14
Volume
9.9844582843637E+20
Height
9610013.4342707