19281 (number)

19281 is an odd 5-digits composite number following 19280 and preceding 19282. In scientific notation, it is written as 1.9281 × 10^4. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 12852 positive integers (up to 19281) that are relatively prime to 19281.

Interesting facts

Basic properties

Name

Name nineteen thousand two hundred eighty-one

Notation

Scientific notation 1.9281 × 10^4
Engineering notation 1.9281 × 10^3

Prime Factorization of 19281

Prime Factorization 3 × 6427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19281
Product of the distinct prime numbers

The prime factorization of 19281 is 3 × 6427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 45, 85, 578, 903, 9664, 4913, 12069, 67309, 294841, 949628, 761225, 1837429, 87446189, 66471114, 41341416, 19897617, 7886438047, 9516419464

Basic calculations (n = 19281)

Multiplication

n×y
n×2 38562
n×3 57843
n×4 77124
n×5 96405

Division

n÷y
n÷2 9640.5
n÷3 6427
n÷3 4820.25
n÷5 3856.2

Exponentiation

ny
n2 371756961
n3 7167845965041
n4 138203238051955521
n5 2.6646966328798E+21

Nth Root

y√n
2√n 138.85604056
3√n 26.814920777298
4√n 11.783719300798
5√n 7.1949190312968

Divisors of 19281

1, 3, 6427, 19281

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 -19280
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 19281 can be divided by 4 positive divisors. The sum of these divisors (counting 19281) is 1, the average is 0.25.

Base conversion 19281

Base System Value
2 Binary 100101101010001
3 Ternary 222110010
4 Quaternary 10231101
5 Quinary 1104111
6 Senary 225133
8 Octal 45521
10 Decimal 19281
12 Duodecimal b1a9
16 Hexadecimal 4b51
20 Vigesimal 2841
36 Base36 evl

Cryptographic Hash Functions

md5 be6ea238d9be0fc60080a6f8a8188817
sha1 a4bb5f897344f923cf22cf9f4817c300e676a18e
sha256 b9fa142d8991e8183d489c3054036ff67929fb41efd77358ff834571a38a1571
sha512 dcd92ffc7a394bac94ef2678fa633aea0103943301df2c599d4df0af96106b1e4f0366e0892485eb44c70e8867fc24cb26d1d15ff70a61fac39efe4213fba96b
ripemd-160 fbfbb1c2983f948f3e3679117e68817ef4ae1ce3

19281 as geometric shapes

Circle

Radius = n
Diameter 38562
Circumference 121146.09590773
Area 1167908937.5985

Sphere

Radius = n
Volume 30024602967781
Surface area 4671635750.3939
Circumference 121146.09590773

Square

Length = n
Perimeter 77124
Area 371756961
Diagonal 27267.451696116

Cube

Length = n
Surface area 2230541766
Volume 7167845965041
Space diagonal 33395.671620736

Equilateral Triangle

Length = n
Perimeter 57843
Area 160975486.12985
Altitude 16697.835810368

Triangular Pyramid

Length = n
Surface area 160975486.12985
Volume 844738748063.52
Height 9089.1505653719