81004 (number)

81004 is an even 5-digits composite number following 81003 and preceding 81005. In scientific notation, it is written as 8.1004 × 10^4. The sum of its digits is 13. It has a total of 5 prime factors and 24 positive divisors. There are 31440 positive integers (up to 81004) that are relatively prime to 81004.

Interesting facts

Basic properties

Name

Name eighty-one thousand four

Notation

Scientific notation 8.1004 × 10^4
Engineering notation 8.1004 × 10^3

Prime Factorization of 81004

Prime Factorization 2 × 2 × 7 × 11 × 263

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40502
Product of the distinct prime numbers

The prime factorization of 81004 is 2 × 2 × 7 × 11 × 263. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81004)

Multiplication

n×y
n×2 162008
n×3 243012
n×4 324016
n×5 405020

Division

n÷y
n÷2 40502
n÷3 27001.333333333
n÷3 20251
n÷5 16200.8

Exponentiation

ny
n2 6561648016
n3 531519735888064
n4 4.3055224685877E+19
n5 3.4876454204548E+24

Nth Root

y√n
2√n 284.61201661209
3√n 43.268199319509
4√n 16.870448026419
5√n 9.5874098428039

Divisors of 81004

1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 263, 308, 526, 1052, 1841, 2893, 3682, 5786, 7364, 11572, 20251, 40502, 81004

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81003
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81004 can be divided by 24 positive divisors. The sum of these divisors (counting 81004) is 1, the average is 0.041666666666667.

Base conversion 81004

Base System Value
2 Binary 10011110001101100
3 Ternary 11010010011
4 Quaternary 103301230
5 Quinary 10043004
6 Senary 1423004
8 Octal 236154
10 Decimal 81004
12 Duodecimal 3aa64
16 Hexadecimal 13c6c
20 Vigesimal a2a4
36 Base36 1qi4

Cryptographic Hash Functions

md5 5811c8877f117280fb06b29ec91a44fb
sha1 42f6e846a0d59dff55025ca64eda9ba2fcab79b9
sha256 c581d3e126d641be74a2d608f1690bbc15ed5310b422f7884027f69a91c32ca1
sha512 86f6927d8327237d616eef3eab0c7f97fe08590df8491e56a695685c6d507af0b72d924f1a9c157957a2bbddb208eb3508b2ec00c9142bd1854d0f4849b6c9d8
ripemd-160 9370fbdaea56a713c50fc1d833d42510cd186263

81004 as geometric shapes

Circle

Radius = n
Diameter 162008
Circumference 508963.14262278
Area 20614025202.508

Sphere

Radius = n
Volume 2.2264246633386E+15
Surface area 82456100810.031
Circumference 508963.14262278

Square

Length = n
Perimeter 324016
Area 6561648016
Diagonal 114556.95540647

Cube

Length = n
Surface area 39369888096
Volume 531519735888064
Space diagonal 140303.04361631

Equilateral Triangle

Length = n
Perimeter 243012
Area 2841276936.2739
Altitude 70151.521808155

Triangular Pyramid

Length = n
Surface area 2841276936.2739
Volume 62640201596822
Height 38185.651802157