20528021 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million five hundred twenty-eight thousand twenty-one

Notation

Scientific notation 2.0528021 × 10^7
Engineering notation 2.0528021 × 10^6

Prime Factorization of 20528021

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.

Most popular turbo-numbers

Basic calculations (n = 20528021)

Multiplication

n×y
n×2 41056042
n×3 61584063
n×4 82112084
n×5 102640105

Division

n÷y
n÷2 10264010.5
n÷3 6842673.6666667
n÷3 5132005.25
n÷5 4105604.2

Exponentiation

ny
n2 421399646176441
n3 8.6505007861026E+21
n4 1.7757766179763E+29
n5 3.6453179705126E+36

Nth Root

y√n
2√n 4530.7859141654
3√n 273.80982505731
4√n 67.311112857874
5√n 29.004769377752

Divisors of 20528021

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 conversion 20528021

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

Cryptographic Hash Functions

md5 26cea1b676d0f5fd7424c968213533f8
sha1 aeaba5ffa4febabfa33c365bfea74cd83213ad9d
sha256 ca870cd5c68b07d17e9e7b0e224d6c99da9a8f2d01c6c1d685c380db95a1ceb4
sha512 7bebce49779622951e6bb2055d98c3d4fbfaf0c2774d75b7f10ffe398bb1b1b994b38d3e78d65d76568b4cea440dacaced9e44bd44b5d025eb4bdcee2bf5ec9f
ripemd-160 75fc9caedebe8f00a35432fc2b4237be6e089928

20528021 as geometric shapes

Circle

Radius = n
Diameter 41056042
Circumference 128981359.93267
Area 1.3238660326532E+15

Sphere

Radius = n
Volume 3.6235132959323E+22
Surface area 5.295464130613E+15
Circumference 128981359.93267

Square

Length = n
Perimeter 82112084
Area 421399646176441
Diagonal 29031005.70688

Cube

Length = n
Surface area 2528397877058646
Volume 8.6505007861026E+21
Space diagonal 35555575.350841

Equilateral Triangle

Length = n
Perimeter 61584063
Area 1.8247139936729E+14
Altitude 17777787.67542

Triangular Pyramid

Length = n
Surface area 1.8247139936729E+14
Volume 1.0194712944188E+21
Height 9677001.9022932