20804904 is an even 8-digits composite number following 20804903
and preceding 20804905 . In scientific notation, it is written as 2.0804904 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 6816960 positive integers (up to 20804904) that are relatively prime to 20804904.
20804904 has 32 divisors, whose sum is 41143200
The reverse of 20804904 is 40940802
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred four thousand nine hundred four
Scientific notation
2.0804904 × 10^7
Engineering notation
2.0804904 × 10^6
Prime Factorization
2 × 2 × 2 × 27 × 61 × 1579
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5201226
Product of the distinct prime numbers
The prime factorization of 20804904 is 2 × 2 × 2 × 27 × 61 × 1579.
Since it has a total of 6 prime factors.
7 , 4 , 42 , 11 , 688 , 656 , 4782 , 8010 , 86271 , 78747 , 221980 , 410084 , 6971320 , 6705810 , 58642103 , 99461717 , 699812020 , 601024854 , 9344288418 , 4607748679
n×2
41609808
n×3
62414712
n×4
83219616
n×5
104024520
n÷2
10402452
n÷3
6934968
n÷3
5201226
n÷5
4160980.8
n2
432844030449216
n3
9.005278500469E+21
n4
1.8735395469552E+29
n5
3.8978810414607E+36
2 √n
4561.2393052766
3 √n
275.03538497841
4 √n
67.536947704768
5 √n
29.082594184231
1 , 2 , 4 , 8 , 27 , 54 , 61 , 108 , 122 , 216 , 244 , 488 , 1579 , 1647 , 3158 , 3294 , 6316 , 6588 , 12632 , 13176 , 42633 , 85266 , 96319 , 170532 , 192638 , 341064 , 385276 , 770552 , 2600613 , 5201226 , 10402452 , 20804904
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20804903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20804904 can be divided by 32 positive divisors.
The sum of these divisors (counting 20804904) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010111010100101000
3
Ternary
1110010222222000
4
Quaternary
1033113110220
5
Quinary
20311224104
6
Senary
2021531000
8
Octal
117272450
10
Decimal
20804904
12
Duodecimal
6b73a60
16
Hexadecimal
13d7528
20
Vigesimal
6a0c54
36
Base36
cdx60
md5
6dfe09249f466aedf343c25887e301c4
sha1
a1c6840da782b1983e0b71793646d12ba72175b6
sha256
f75c212339d5b61e088b45890fc86ecc15a85d3e9961555df7116ba501af5333
sha512
5864dcae32cbea8cf2caef80617deddf0647750701a89dc9c1652aed0c2bba05c2dbcb7d4907ad3eb36fca11bc1f9e9cd8cbf6b09e505cb0c2fa920ea1e0588a
ripemd-160
686b06c1f1fd330093a78089a9dde9f1eb91fa00
Diameter
41609808
Circumference
130721067.13008
Area
1.3598196262095E+15
Volume
3.7721222374138E+22
Surface area
5.4392785048378E+15
Circumference
130721067.13008
Perimeter
83219616
Area
432844030449216
Diagonal
29422577.40067
Surface area
2597064182695296
Volume
9.005278500469E+21
Space diagonal
36035150.774593
Perimeter
62414712
Area
1.8742696312273E+14
Altitude
18017575.387296
Surface area
1.8742696312273E+14
Volume
1.0612822490258E+21
Height
9807525.8002234