20521 (number)

20521 is an odd 5-digits prime number following 20520 and preceding 20522. In scientific notation, it is written as 2.0521 × 10^4. The sum of its digits is 10. It has a total of 1 prime factors and 2 positive divisors. There are 20520 positive integers (up to 20521) that are relatively prime to 20521.

Interesting facts

Basic properties

Name

Name twenty thousand five hundred twenty-one

Notation

Scientific notation 2.0521 × 10^4
Engineering notation 2.0521 × 10^3

Prime Factorization of 20521

Prime Factorization 20521

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20521
Product of the distinct prime numbers

The prime factorization of 20521 is 20521. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 10, 2, 64, 729, 8, 221, 4674, 97693, 17271, 472674, 806527, 5056578, 8104738, 47941648, 49480566, 877864122, 137978820, 5570537225, 4548047928

Basic calculations (n = 20521)

Multiplication

n×y
n×2 41042
n×3 61563
n×4 82084
n×5 102605

Division

n÷y
n÷2 10260.5
n÷3 6840.3333333333
n÷3 5130.25
n÷5 4104.2

Exponentiation

ny
n2 421111441
n3 8641627880761
n4 177334845741096481
n5 3.639088369453E+21

Nth Root

y√n
2√n 143.25152704247
3√n 27.37786053245
4√n 11.96877299653
5√n 7.2851702273856

Divisors of 20521

1, 20521

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20522
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10261
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 143.25501736414
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999025436117
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20521 can be divided by 2 positive divisors. The sum of these divisors (counting 20521) is 20522, the average is 10261.

Base conversion 20521

Base System Value
2 Binary 101000000101001
3 Ternary 1001011001
4 Quaternary 11000221
5 Quinary 1124041
6 Senary 235001
8 Octal 50051
10 Decimal 20521
12 Duodecimal ba61
16 Hexadecimal 5029
20 Vigesimal 2b61
36 Base36 fu1

Cryptographic Hash Functions

md5 010b229957fa385ab3198cbaad6e4e59
sha1 947a91e59e6a997848fadfb6d7837cbbdfe712ee
sha256 2e04f080c41d29c0277cfa2f012f4b85b4f96b472a3b1441a91c705d6b3c71d4
sha512 b1e7bcd277302e32422dd7c74481c67e977feebe159b274199253c52411c2e6153543becdad4d37a08bd6fa02efd1ff0d0bc0cb2d1c3b2bae78f61fe853210c2
ripemd-160 e41153c156748038f29a6b118bd38ab7e344ce70

20521 as geometric shapes

Circle

Radius = n
Diameter 41042
Circumference 128937.24568863
Area 1322960609.3882

Sphere

Radius = n
Volume 36197966220341
Surface area 5291842437.5528
Circumference 128937.24568863

Square

Length = n
Perimeter 82084
Area 421111441
Diagonal 29021.076513458

Cube

Length = n
Surface area 2526668646
Volume 8641627880761
Space diagonal 35543.414622121

Equilateral Triangle

Length = n
Perimeter 61563
Area 182346602.86514
Altitude 17771.70731106

Triangular Pyramid

Length = n
Surface area 182346602.86514
Volume 1018425612496.1
Height 9673.6921711528