20455939 is an odd 8-digits composite number following 20455938
and preceding 20455940 . In scientific notation, it is written as 2.0455939 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 16790400 positive integers (up to 20455939) that are relatively prime to 20455939.
20455939 has 16 divisors, whose sum is 24385536
The reverse of 20455939 is 93955402
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million four hundred fifty-five thousand nine hundred thirty-nine
Scientific notation
2.0455939 × 10^7
Engineering notation
2.0455939 × 10^6
Prime Factorization
7 × 31 × 107 × 881
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20455939
Product of the distinct prime numbers
The prime factorization of 20455939 is 7 × 31 × 107 × 881.
Since it has a total of 4 prime factors.
8 , 6 , 36 , 4 , 748 , 6 , 374 , 744 , 24438 , 7875 , 222707 , 737718 , 8011908 , 6408644 , 28397835 , 59435212 , 995321737 , 644908351 , 6304811667 , 6025922714
n×2
40911878
n×3
61367817
n×4
81823756
n×5
102279695
n÷2
10227969.5
n÷3
6818646.3333333
n÷3
5113984.75
n÷5
4091187.8
n2
418445440371721
n3
8.5596944030721E+21
n4
1.7509658656788E+29
n5
3.5817650939408E+36
2 √n
4522.8242282892
3 √n
273.48896434745
4 √n
67.251945907083
5 √n
28.984371264084
1 , 7 , 31 , 107 , 217 , 749 , 881 , 3317 , 6167 , 23219 , 27311 , 94267 , 191177 , 659869 , 2922277 , 20455939
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
-20455938
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 20455939 can be divided by 16 positive divisors.
The sum of these divisors (counting 20455939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110000010001000000011
3
Ternary
1102111021021101
4
Quaternary
1032002020003
5
Quinary
20214042224
6
Senary
2010235231
8
Octal
116021003
10
Decimal
20455939
12
Duodecimal
6a25b17
16
Hexadecimal
1382203
20
Vigesimal
67gjgj
36
Base36
c6fwj
md5
5a380451a570e11f7f2c7b686bc59e54
sha1
e1690a59ebec7ff00c2499b3724f79d425dd6b7a
sha256
f694388637a3c0c9234a2d86e49fa4799eb4c2e66f286b9697e2cbd9e7735d04
sha512
670d2c1dbfc86a947ccc5009fe8e034c0bfbb5f9c54ec6c4e6406fec849428df44cf503e5218e6f875cada4448ddcb413cd6ea9e23837e8cf4a1a655d092b778
ripemd-160
34e5f8e4cc788c9982d052b6e11caef85a6ee6f0
Diameter
40911878
Circumference
128528455.36936
Area
1.3145851213999E+15
Volume
3.5854764071553E+22
Surface area
5.2583404855998E+15
Circumference
128528455.36936
Perimeter
81823756
Area
418445440371721
Diagonal
28929066.364877
Surface area
2510672642230326
Volume
8.5596944030721E+21
Space diagonal
35430725.66453
Perimeter
61367817
Area
1.8119219072984E+14
Altitude
17715362.832265
Surface area
1.8119219072984E+14
Volume
1.0087696595495E+21
Height
9643022.1216256