20161 (number)

20161 is an odd 5-digits prime number following 20160 and preceding 20162. In scientific notation, it is written as 2.0161 × 10^4. The sum of its digits is 10. It has a total of 1 prime factors and 2 positive divisors. There are 20160 positive integers (up to 20161) that are relatively prime to 20161.

Interesting facts

Basic properties

Name

Name twenty thousand one hundred sixty-one

Notation

Scientific notation 2.0161 × 10^4
Engineering notation 2.0161 × 10^3

Prime Factorization of 20161

Prime Factorization 20161

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20161
Product of the distinct prime numbers

The prime factorization of 20161 is 20161. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 7, 45, 32, 677, 609, 2696, 8880, 10125, 90708, 216357, 975638, 1900909, 9049787, 66581953, 74105306, 616691814, 177575910, 6937059249, 1536282215

Basic calculations (n = 20161)

Multiplication

n×y
n×2 40322
n×3 60483
n×4 80644
n×5 100805

Division

n÷y
n÷2 10080.5
n÷3 6720.3333333333
n÷3 5040.25
n÷5 4032.2

Exponentiation

ny
n2 406465921
n3 8194759433281
n4 165214544934378241
n5 3.330890440422E+21

Nth Root

y√n
2√n 141.98943622678
3√n 27.216818462465
4√n 11.915932033491
5√n 7.259428195801

Divisors of 20161

1, 20161

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20162
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10081
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 141.99295757185
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999008034917
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20161 can be divided by 2 positive divisors. The sum of these divisors (counting 20161) is 20162, the average is 10081.

Base conversion 20161

Base System Value
2 Binary 100111011000001
3 Ternary 1000122201
4 Quaternary 10323001
5 Quinary 1121121
6 Senary 233201
8 Octal 47301
10 Decimal 20161
12 Duodecimal b801
16 Hexadecimal 4ec1
20 Vigesimal 2a81
36 Base36 fk1

Cryptographic Hash Functions

md5 235ff8e4d888ca64703dd6d2e920a90b
sha1 d77b1222b0bd2649ebe96e92aa0e3ce3939a0b6c
sha256 a4c2e3f0fc5aba4221dc1be7151594f86d7483d5b7c64d5dd9c6bff0fad34e71
sha512 dc5eeb65c150743d730dedfcc8cc43e5bfde31bc36ca6ceca49807f2e3b8b307f836b70a0b30473fdb2c86f3e5b11a03677ae535491613dac0f55f3a69551538
ripemd-160 461fb389d35041ae589b820fa2ef255d04d7129b

20161 as geometric shapes

Circle

Radius = n
Diameter 40322
Circumference 126675.29897805
Area 1276950351.3482

Sphere

Radius = n
Volume 34326128044708
Surface area 5107801405.3928
Circumference 126675.29897805

Square

Length = n
Perimeter 80644
Area 406465921
Diagonal 28511.959631004

Cube

Length = n
Surface area 2438795526
Volume 8194759433281
Space diagonal 34919.876331396

Equilateral Triangle

Length = n
Perimeter 60483
Area 176004906.67932
Altitude 17459.938165698

Triangular Pyramid

Length = n
Surface area 176004906.67932
Volume 965761660910.9
Height 9503.986543668