20804511 is an odd 8-digits composite number following 20804510
and preceding 20804512 . In scientific notation, it is written as 2.0804511 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 10973664 positive integers (up to 20804511) that are relatively prime to 20804511.
20804511 has 16 divisors, whose sum is 34141184
The reverse of 20804511 is 11540802
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million eight hundred four thousand five hundred eleven
Scientific notation
2.0804511 × 10^7
Engineering notation
2.0804511 × 10^6
Prime Factorization
3 × 7 × 13 × 76207
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20804511
Product of the distinct prime numbers
The prime factorization of 20804511 is 3 × 7 × 13 × 76207.
Since it has a total of 4 prime factors.
3 , 4 , 68 , 93 , 249 , 715 , 9768 , 5622 , 41080 , 94675 , 482710 , 702825 , 4945673 , 2810775 , 24817940 , 48552324 , 320330259 , 768530119 , 86648776 , 8096846484
n×2
41609022
n×3
62413533
n×4
83218044
n×5
104022555
n÷2
10402255.5
n÷3
6934837
n÷3
5201127.75
n÷5
4160902.2
n2
432827677949121
n3
9.0047681869969E+21
n4
1.8733979879883E+29
n5
3.897512904848E+36
2 √n
4561.1962246762
3 √n
275.03365318179
4 √n
67.536628763036
5 √n
29.082484310656
1 , 3 , 7 , 13 , 21 , 39 , 91 , 273 , 76207 , 228621 , 533449 , 990691 , 1600347 , 2972073 , 6934837 , 20804511
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
-20804510
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 20804511 can be divided by 16 positive divisors.
The sum of these divisors (counting 20804511) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010111001110011111
3
Ternary
1110010222102110
4
Quaternary
1033113032133
5
Quinary
20311221021
6
Senary
2021525103
8
Octal
117271637
10
Decimal
20804511
12
Duodecimal
6b73793
16
Hexadecimal
13d739f
20
Vigesimal
6a0b5b
36
Base36
cdwv3
md5
083acacb100c0c63e10c3dbf3670e80e
sha1
6eda802004b969ea942b29ebca56255afee59a78
sha256
902366f21471a7e53b4a9e3ed21f89ecf19643fef328d8acf5f174c0b92f56a9
sha512
807143f84c4dc51d045e6563fcd8fb200d6382feb7db27d7f1e65c24839dd1f633c71e2c85e4e2538b5166dd89e3aac114ddd7ea7862337dab6e23888c1d0f43
ripemd-160
7ba05610dee820cb025a4ec7d2d4d435e7ed056a
Diameter
41609022
Circumference
130718597.83826
Area
1.3597682533153E+15
Volume
3.7719084778065E+22
Surface area
5.4390730132612E+15
Circumference
130718597.83826
Perimeter
83218044
Area
432827677949121
Diagonal
29422021.61474
Surface area
2596966067694726
Volume
9.0047681869969E+21
Space diagonal
36034470.078626
Perimeter
62413533
Area
1.8741988228248E+14
Altitude
18017235.039313
Surface area
1.8741988228248E+14
Volume
1.0612221080064E+21
Height
9807340.5382467