20804490 is an even 8-digits composite number following 20804489
and preceding 20804491 . In scientific notation, it is written as 2.0804490 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 4755168 positive integers (up to 20804490) that are relatively prime to 20804490.
20804490 has 16 divisors, whose sum is 36458496
The reverse of 20804490 is 09440802
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million eight hundred four thousand four hundred ninety
Scientific notation
2.0804490 × 10^7
Engineering notation
2.0804490 × 10^6
Prime Factorization
2 × 45 × 7 × 33023
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20804490
Product of the distinct prime numbers
The prime factorization of 20804490 is 2 × 45 × 7 × 33023.
Since it has a total of 4 prime factors.
7 , 2 , 29 , 11 , 107 , 36 , 1734 , 516 , 11275 , 65228 , 290967 , 658533 , 7315962 , 3255318 , 98520022 , 589509 , 439428792 , 855588132 , 7632789085 , 857520946
n×2
41608980
n×3
62413470
n×4
83217960
n×5
104022450
n÷2
10402245
n÷3
6934830
n÷3
5201122.5
n÷5
4160898
n2
432826804160100
n3
9.0047409188808E+21
n4
1.8733904239945E+29
n5
3.8974932342088E+36
2 √n
4561.1939226479
3 √n
275.03356064243
4 √n
67.536611720221
5 √n
29.082478439503
1 , 2 , 7 , 14 , 45 , 90 , 315 , 630 , 33023 , 66046 , 231161 , 462322 , 1486035 , 2972070 , 10402245 , 20804490
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
-20804489
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 20804490 can be divided by 16 positive divisors.
The sum of these divisors (counting 20804490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111001110001010
3
Ternary
1110010222101200
4
Quaternary
1033113032022
5
Quinary
20311220430
6
Senary
2021525030
8
Octal
117271612
10
Decimal
20804490
12
Duodecimal
6b73776
16
Hexadecimal
13d738a
20
Vigesimal
6a0b4a
36
Base36
cdwui
md5
c48110db9fe67cad63b9286298a94d3f
sha1
a5525a88a14eafba821d68ad345afd44c4b56172
sha256
1d690d275ba8b47a78a46cf4af5f084eac90e9539411fc5928da85b4b2127f7b
sha512
da80a462a206dcc4ac3b5a5c34bcb1f21641cede8aa0110373cd570b6bcf23e1d366791b70a3a1997a30c32888a35d8967554dc47c292185e2b770a5fdee5da4
ripemd-160
c8e38b8fd4222af42e2fb922ad801c5bb17e7aff
Diameter
41608980
Circumference
130718465.89136
Area
1.3597655082261E+15
Volume
3.7718970557647E+22
Surface area
5.4390620329045E+15
Circumference
130718465.89136
Perimeter
83217960
Area
432826804160100
Diagonal
29421991.916255
Surface area
2596960824960600
Volume
9.0047409188808E+21
Space diagonal
36034433.705559
Perimeter
62413470
Area
1.8741950392074E+14
Altitude
18017216.852779
Surface area
1.8741950392074E+14
Volume
1.0612188944281E+21
Height
9807330.6387518