81320 (number)

81320 is an even 5-digits composite number following 81319 and preceding 81321. In scientific notation, it is written as 8.1320 × 10^4. The sum of its digits is 14. It has a total of 6 prime factors and 32 positive divisors. There are 30528 positive integers (up to 81320) that are relatively prime to 81320.

Interesting facts

Basic properties

Name

Name eighty-one thousand three hundred twenty

Notation

Scientific notation 8.1320 × 10^4
Engineering notation 8.1320 × 10^3

Prime Factorization of 81320

Prime Factorization 2 × 2 × 2 × 5 × 19 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20330
Product of the distinct prime numbers

The prime factorization of 81320 is 2 × 2 × 2 × 5 × 19 × 107. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 3, 31, 84, 103, 218, 4227, 8173, 67421, 916, 737226, 41970, 7034975, 5905250, 95634325, 15840780, 882462108, 265348331, 4585338806, 8529382171

Basic calculations (n = 81320)

Multiplication

n×y
n×2 162640
n×3 243960
n×4 325280
n×5 406600

Division

n÷y
n÷2 40660
n÷3 27106.666666667
n÷3 20330
n÷5 16264

Exponentiation

ny
n2 6612942400
n3 537764475968000
n4 4.3731007185718E+19
n5 3.5562055043426E+24

Nth Root

y√n
2√n 285.1666179622
3√n 43.32439000183
4√n 16.88687709324
5√n 9.5948783754028

Divisors of 81320

1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 380, 428, 535, 760, 856, 1070, 2033, 2140, 4066, 4280, 8132, 10165, 16264, 20330, 40660, 81320

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81319
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81320 can be divided by 32 positive divisors. The sum of these divisors (counting 81320) is 1, the average is 0.03125.

Base conversion 81320

Base System Value
2 Binary 10011110110101000
3 Ternary 11010112212
4 Quaternary 103312220
5 Quinary 10100240
6 Senary 1424252
8 Octal 236650
10 Decimal 81320
12 Duodecimal 3b088
16 Hexadecimal 13da8
20 Vigesimal a360
36 Base36 1qqw

Cryptographic Hash Functions

md5 98bcd1ce2147c44ef14e23197e441efe
sha1 f89dd5f9bed47353d114b9d4d525abd619efc969
sha256 66600d9e9b7bff825055f34ab5d0d86a3900a557a92af32461cb4e64321db45a
sha512 e9701c010cf662f38acb57119f504573e8607539f90a0b2c33ed83ccea7a9976c668dd2224b1e5f6b64a0e293f381e91267f872213d51925d8157c73bc99cabe
ripemd-160 53a3ecf6adfa2022c314f6b6d9dc3be6711fb171

81320 as geometric shapes

Circle

Radius = n
Diameter 162640
Circumference 510948.62917984
Area 20775171262.452

Sphere

Radius = n
Volume 2.2525825694168E+15
Surface area 83100685049.81
Circumference 510948.62917984

Square

Length = n
Perimeter 325280
Area 6612942400
Diagonal 115003.84689218

Cube

Length = n
Surface area 39677654400
Volume 537764475968000
Space diagonal 140850.3716715

Equilateral Triangle

Length = n
Perimeter 243960
Area 2863488056.0816
Altitude 70425.185835751

Triangular Pyramid

Length = n
Surface area 2863488056.0816
Volume 63376151273034
Height 38334.615630727