20389640 is an even 8-digits composite number following 20389639
and preceding 20389641 . In scientific notation, it is written as 2.0389640 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors.
There are 8155840 positive integers (up to 20389640) that are relatively prime to 20389640.
20389640 has 16 divisors, whose sum is 45876780
The reverse of 20389640 is 04698302
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million three hundred eighty-nine thousand six hundred forty
Scientific notation
2.0389640 × 10^7
Engineering notation
2.0389640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 509741
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5097410
Product of the distinct prime numbers
The prime factorization of 20389640 is 2 × 2 × 2 × 5 × 509741.
Since it has a total of 5 prime factors.
6 , 10 , 24 , 3 , 955 , 965 , 2615 , 2630 , 8746 , 44786 , 714207 , 752878 , 2971519 , 9305660 , 94783035 , 36183070 , 783622086 , 877249995 , 6062661225 , 3885914900
n×2
40779280
n×3
61168920
n×4
81558560
n×5
101948200
n÷2
10194820
n÷3
6796546.6666667
n÷3
5097410
n÷5
4077928
n2
415737419329600
n3
8.4767363146596E+21
n4
1.7283760183084E+29
n5
3.5240964797941E+36
2 √n
4515.488899333
3 √n
273.19317951885
4 √n
67.197387593068
5 √n
28.965558820985
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 509741 , 1019482 , 2038964 , 2548705 , 4077928 , 5097410 , 10194820 , 20389640
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20389639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20389640 can be divided by 16 positive divisors.
The sum of these divisors (counting 20389640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110001111100001000
3
Ternary
1102100220022212
4
Quaternary
1031301330020
5
Quinary
20204432030
6
Senary
2005004252
8
Octal
115617410
10
Decimal
20389640
12
Duodecimal
69b3688
16
Hexadecimal
1371f08
20
Vigesimal
678e20
36
Base36
c50qw
md5
7bd5c9d72df19115c8a8755707ac6ad8
sha1
384eccc6c3ea39827a729cc3723d377d6e432205
sha256
46d661348cf5ec2846ce824d57329e82a077b5d0027a2fcfbb38c1a0c06f5e97
sha512
adb92dba8889fc8bb9616a0ed95ace8a06c97c9d17372ccb674c3ab0b5332f08fc96c8d960865e1c2a58f207b7a137d7e281ab0c567f774df534cbd7c1009dd0
ripemd-160
bff4be042af144ff5ea4592ed6f8dbc29ed7b3d5
Diameter
40779280
Circumference
128111886.46668
Area
1.3060776223883E+15
Volume
3.5507270043403E+22
Surface area
5.224310489553E+15
Circumference
128111886.46668
Perimeter
81558560
Area
415737419329600
Diagonal
28835305.419905
Surface area
2494424515977600
Volume
8.4767363146596E+21
Space diagonal
35315892.428039
Perimeter
61168920
Area
1.8001958322161E+14
Altitude
17657946.214019
Surface area
1.8001958322161E+14
Volume
9.9899295507101E+20
Height
9611768.4733017