20528021 is an odd 8-digits composite number following 20528020
and preceding 20528022 . In scientific notation, it is written as 2.0528021 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 20491500 positive integers (up to 20528021) that are relatively prime to 20528021.
20528021 has 4 divisors, whose sum is 20564544
The reverse of 20528021 is 12082502
Previous prime number is 571
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million five hundred twenty-eight thousand twenty-one
Scientific notation
2.0528021 × 10^7
Engineering notation
2.0528021 × 10^6
Prime Factorization
571 × 35951
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20528021
Product of the distinct prime numbers
The prime factorization of 20528021 is 571 × 35951.
Since it has a total of 2 prime factors.
10 , 5 , 99 , 2 , 369 , 395 , 7475 , 9509 , 92567 , 40422 , 205305 , 516871 , 4789634 , 1329135 , 20774185 , 12093335 , 438436883 , 951684111 , 9975502686 , 3366400655
n×2
41056042
n×3
61584063
n×4
82112084
n×5
102640105
n÷2
10264010.5
n÷3
6842673.6666667
n÷3
5132005.25
n÷5
4105604.2
n2
421399646176441
n3
8.6505007861026E+21
n4
1.7757766179763E+29
n5
3.6453179705126E+36
2 √n
4530.7859141654
3 √n
273.80982505731
4 √n
67.311112857874
5 √n
29.004769377752
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
-20528020
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 20528021 can be divided by 4 positive divisors.
The sum of these divisors (counting 20528021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110010011101110010101
3
Ternary
1102121221011002
4
Quaternary
1032103232111
5
Quinary
20223344041
6
Senary
2011553045
8
Octal
116235625
10
Decimal
20528021
12
Duodecimal
6a5b785
16
Hexadecimal
1393b95
20
Vigesimal
686011
36
Base36
c7zit
md5
26cea1b676d0f5fd7424c968213533f8
sha1
aeaba5ffa4febabfa33c365bfea74cd83213ad9d
sha256
ca870cd5c68b07d17e9e7b0e224d6c99da9a8f2d01c6c1d685c380db95a1ceb4
sha512
7bebce49779622951e6bb2055d98c3d4fbfaf0c2774d75b7f10ffe398bb1b1b994b38d3e78d65d76568b4cea440dacaced9e44bd44b5d025eb4bdcee2bf5ec9f
ripemd-160
75fc9caedebe8f00a35432fc2b4237be6e089928
Diameter
41056042
Circumference
128981359.93267
Area
1.3238660326532E+15
Volume
3.6235132959323E+22
Surface area
5.295464130613E+15
Circumference
128981359.93267
Perimeter
82112084
Area
421399646176441
Diagonal
29031005.70688
Surface area
2528397877058646
Volume
8.6505007861026E+21
Space diagonal
35555575.350841
Perimeter
61584063
Area
1.8247139936729E+14
Altitude
17777787.67542
Surface area
1.8247139936729E+14
Volume
1.0194712944188E+21
Height
9677001.9022932