20804538 is an even 8-digits composite number following 20804537
and preceding 20804539 . In scientific notation, it is written as 2.0804538 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6821040 positive integers (up to 20804538) that are relatively prime to 20804538.
20804538 has 16 divisors, whose sum is 42291936
The reverse of 20804538 is 83540802
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million eight hundred four thousand five hundred thirty-eight
Scientific notation
2.0804538 × 10^7
Engineering notation
2.0804538 × 10^6
Prime Factorization
2 × 3 × 61 × 56843
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20804538
Product of the distinct prime numbers
The prime factorization of 20804538 is 2 × 3 × 61 × 56843.
Since it has a total of 4 prime factors.
1 , 7 , 81 , 65 , 965 , 768 , 4099 , 2016 , 76555 , 86663 , 559238 , 651731 , 1462984 , 7864509 , 83221324 , 84823080 , 200426687 , 665237360 , 3203370534 , 6311133798
n×2
41609076
n×3
62413614
n×4
83218152
n×5
104022690
n÷2
10402269
n÷3
6934846
n÷3
5201134.5
n÷5
4160907.6
n2
432828801393444
n3
9.0048032460844E+21
n4
1.8734077131569E+29
n5
3.8975381957865E+36
2 √n
4561.1991844251
3 √n
275.03377216088
4 √n
67.536650675208
5 √n
29.082491859276
1 , 2 , 3 , 6 , 61 , 122 , 183 , 366 , 56843 , 113686 , 170529 , 341058 , 3467423 , 6934846 , 10402269 , 20804538
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
-20804537
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 20804538 can be divided by 16 positive divisors.
The sum of these divisors (counting 20804538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111001110111010
3
Ternary
1110010222110110
4
Quaternary
1033113032322
5
Quinary
20311221123
6
Senary
2021525150
8
Octal
117271672
10
Decimal
20804538
12
Duodecimal
6b737b6
16
Hexadecimal
13d73ba
20
Vigesimal
6a0b6i
36
Base36
cdwvu
md5
e8b00f1076c9abc19852233a6832566f
sha1
1d76753e46ecebf9375a6dda5d192b2129a9399b
sha256
7335c7b68320e42569f752f1b215788f00cda4592679a2df85114a120c898a30
sha512
5a6a5c09ce8e2b6947e1c2ba0255e21b09666b479c3db89bbe1ba8b076e2e7b17085ca8b902f5d94875c69026fbdaed308595b06466a9713990afa584d2f6f14
ripemd-160
01b6df82fb8340c634d5021f407a8445a0a9dcfc
Diameter
41609076
Circumference
130718767.48426
Area
1.3597717827197E+15
Volume
3.7719231633227E+22
Surface area
5.4390871308789E+15
Circumference
130718767.48426
Perimeter
83218152
Area
432828801393444
Diagonal
29422059.798506
Surface area
2596972808360664
Volume
9.0048032460844E+21
Space diagonal
36034516.843997
Perimeter
62413614
Area
1.8742036874815E+14
Altitude
18017258.421999
Surface area
1.8742036874815E+14
Volume
1.0612262397595E+21
Height
9807353.2661688