20804939 is an odd 8-digits composite number following 20804938
and preceding 20804940 . In scientific notation, it is written as 2.0804939 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 20613960 positive integers (up to 20804939) that are relatively prime to 20804939.
20804939 has 4 divisors, whose sum is 20995920
The reverse of 20804939 is 93940802
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million eight hundred four thousand nine hundred thirty-nine
Scientific notation
2.0804939 × 10^7
Engineering notation
2.0804939 × 10^6
Prime Factorization
109 × 190871
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20804939
Product of the distinct prime numbers
The prime factorization of 20804939 is 109 × 190871.
Since it has a total of 2 prime factors.
8 , 6 , 99 , 95 , 495 , 941 , 2442 , 546 , 4967 , 54990 , 563944 , 745590 , 7506333 , 8999547 , 54040114 , 42705199 , 443036588 , 753208146 , 8748703746 , 4835634120
n×2
41609878
n×3
62414817
n×4
83219756
n×5
104024695
n÷2
10402469.5
n÷3
6934979.6666667
n÷3
5201234.75
n÷5
4160987.8
n2
432845486793721
n3
9.0053239491687E+21
n4
1.8735521543769E+29
n5
3.8979138285131E+36
2 √n
4561.2431419515
3 √n
275.0355392086
4 √n
67.536976109029
5 √n
29.082603969329
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
-20804938
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 20804939 can be divided by 4 positive divisors.
The sum of these divisors (counting 20804939) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010111010101001011
3
Ternary
1110011000000022
4
Quaternary
1033113111023
5
Quinary
20311224224
6
Senary
2021531055
8
Octal
117272513
10
Decimal
20804939
12
Duodecimal
6b73a8b
16
Hexadecimal
13d754b
20
Vigesimal
6a0c6j
36
Base36
cdx6z
md5
47fc3bf1bd592bf5c1d9fc0ae40269be
sha1
601cdcb8f995f6ff626e36e0b5631252b5899649
sha256
67c332c1a287c28f13daff15676fb88503ba2b762aa317d6a333a4f67c4d39a9
sha512
517c69af4b5ea27c332cd5598da6d6c2d27fcf450801a662b700ec4bc18578e1d612c2f00fb1086beb84b3bf0eabfa82d21a11f7baa6990e57674a81dbfa73cc
ripemd-160
92f8c48233da0c3d6320bc71e4b1f731a7ce556c
Diameter
41609878
Circumference
130721287.04157
Area
1.3598242014507E+15
Volume
3.7721412749206E+22
Surface area
5.4392968058026E+15
Circumference
130721287.04157
Perimeter
83219756
Area
432845486793721
Diagonal
29422626.898145
Surface area
2597072920762326
Volume
9.0053239491687E+21
Space diagonal
36035211.396371
Perimeter
62414817
Area
1.874275937384E+14
Altitude
18017605.698186
Surface area
1.874275937384E+14
Volume
1.0612876052065E+21
Height
9807542.2993816