20188939 is an odd 8-digits composite number following 20188938
and preceding 20188940 . In scientific notation, it is written as 2.0188939 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 19643256 positive integers (up to 20188939) that are relatively prime to 20188939.
20188939 has 4 divisors, whose sum is 20734624
The reverse of 20188939 is 93988102
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million one hundred eighty-eight thousand nine hundred thirty-nine
Scientific notation
2.0188939 × 10^7
Engineering notation
2.0188939 × 10^6
Prime Factorization
37 × 545647
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20188939
Product of the distinct prime numbers
The prime factorization of 20188939 is 37 × 545647.
Since it has a total of 2 prime factors.
1 , 6 , 34 , 38 , 242 , 923 , 5555 , 2974 , 1686 , 64256 , 294016 , 675307 , 633721 , 540079 , 2633057 , 20667756 , 610731781 , 775693408 , 8011879134 , 989450201
n×2
40377878
n×3
60566817
n×4
80755756
n×5
100944695
n÷2
10094469.5
n÷3
6729646.3333333
n÷3
5047234.75
n÷5
4037787.8
n2
407593257945721
n3
8.2288754214774E+21
n4
1.6613226392281E+29
n5
3.3540341422695E+36
2 √n
4493.2103222529
3 √n
272.29384963856
4 √n
67.031412951339
5 √n
28.908309727966
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
-20188938
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 20188939 can be divided by 4 positive divisors.
The sum of these divisors (counting 20188939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000111100001011
3
Ternary
1101222201000111
4
Quaternary
1031000330023
5
Quinary
20132021224
6
Senary
2000415151
8
Octal
115007413
10
Decimal
20188939
12
Duodecimal
69174b7
16
Hexadecimal
1340f0b
20
Vigesimal
663c6j
36
Base36
c0pvv
md5
4e089bdfaf6fc74fd750772448ff5fbb
sha1
6c349a76d5438669b068c0735f51cc6e8cc8fd54
sha256
56c2c9c7ed245ef5d5a47bf7ed504fbd53a55ce50f0a45b1077e0c7b6285a4bf
sha512
154cbec2f7723feef5790a9bda01a4b864aff6b3d08f85d596d1e5213402409b3e34e8fe3b1edda056db86988e9131f9a5fc2f4e8b7211c0bb23e630d6bf97f4
ripemd-160
1394c903bba70ec222daea6d64b741381f2e3bba
Diameter
40377878
Circumference
126850844.89234
Area
1.280491984815E+15
Volume
3.4469032761892E+22
Surface area
5.12196793926E+15
Circumference
126850844.89234
Perimeter
80755756
Area
407593257945721
Diagonal
28551471.343723
Surface area
2445559547674326
Volume
8.2288754214774E+21
Space diagonal
34968268.098909
Perimeter
60566817
Area
1.7649305789613E+14
Altitude
17484134.049454
Surface area
1.7649305789613E+14
Volume
9.6978226867767E+20
Height
9517157.1145744