20852821 is an odd 8-digits composite number following 20852820
and preceding 20852822 . In scientific notation, it is written as 2.0852821 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 18957100 positive integers (up to 20852821) that are relatively prime to 20852821.
20852821 has 4 divisors, whose sum is 22748544
The reverse of 20852821 is 12825802
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eight hundred fifty-two thousand eight hundred twenty-one
Scientific notation
2.0852821 × 10^7
Engineering notation
2.0852821 × 10^6
Prime Factorization
11 × 1895711
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20852821
Product of the distinct prime numbers
The prime factorization of 20852821 is 11 × 1895711.
Since it has a total of 2 prime factors.
3 , 2 , 59 , 19 , 96 , 97 , 1922 , 2752 , 60225 , 89000 , 41856 , 716486 , 959882 , 959613 , 36354413 , 68673313 , 587869735 , 456026971 , 9975578938 , 2439836318
n×2
41705642
n×3
62558463
n×4
83411284
n×5
104264105
n÷2
10426410.5
n÷3
6950940.3333333
n÷3
5213205.25
n÷5
4170564.2
n2
434840143658041
n3
9.0676436793154E+21
n4
1.8908595053655E+29
n5
3.9429754801534E+36
2 √n
4566.4889138155
3 √n
275.2463731472
4 √n
67.575801244347
5 √n
29.095978226852
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
-20852820
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 20852821 can be divided by 4 positive divisors.
The sum of these divisors (counting 20852821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111100011000001010101
3
Ternary
1110020102200201
4
Quaternary
1033203001111
5
Quinary
20314242241
6
Senary
2022540501
8
Octal
117430125
10
Decimal
20852821
12
Duodecimal
6b97731
16
Hexadecimal
13e3055
20
Vigesimal
6a6c11
36
Base36
cey51
md5
3656d2b54b9110a9d8cee051f1c7fdeb
sha1
10b98b3ce5f1412f7b9db6a510570d7229df2552
sha256
7b4949418fa9e1acba8f41b62779bc9d1a0be32c0d03f0c5a23896e8f1928ab5
sha512
7b8ccde06cd87425e87d15619570a5e910bb146fea958d1c1958af6e0df87a04f104676ae1d4827a77c8bfc0001ee891fe8e1c78b7a79ddeb0f4216a98c9f5da
ripemd-160
377958ca8f6c99a2ece1e06e4b1f0e9ff6713a70
Diameter
41705642
Circumference
131022138.52045
Area
1.366090600802E+15
Volume
3.798245702441E+22
Surface area
5.4643624032081E+15
Circumference
131022138.52045
Perimeter
83411284
Area
434840143658041
Diagonal
29490342.271938
Surface area
2609040861948246
Volume
9.0676436793154E+21
Space diagonal
36118145.453139
Perimeter
62558463
Area
1.8829130549657E+14
Altitude
18059072.72657
Surface area
1.8829130549657E+14
Volume
1.0686320558379E+21
Height
9830114.0906462