81310 (number)

81310 is an even 5-digits composite number following 81309 and preceding 81311. In scientific notation, it is written as 8.1310 × 10^4. The sum of its digits is 13. It has a total of 4 prime factors and 16 positive divisors. There are 31648 positive integers (up to 81310) that are relatively prime to 81310.

Interesting facts

Basic properties

Name

Name eighty-one thousand three hundred ten

Notation

Scientific notation 8.1310 × 10^4
Engineering notation 8.1310 × 10^3

Prime Factorization of 81310

Prime Factorization 2 × 5 × 47 × 173

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81310
Product of the distinct prime numbers

The prime factorization of 81310 is 2 × 5 × 47 × 173. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81310)

Multiplication

n×y
n×2 162620
n×3 243930
n×4 325240
n×5 406550

Division

n÷y
n÷2 40655
n÷3 27103.333333333
n÷3 20327.5
n÷5 16262

Exponentiation

ny
n2 6611316100
n3 537566112091000
n4 4.3709500574119E+19
n5 3.5540194916816E+24

Nth Root

y√n
2√n 285.14908381406
3√n 43.322614048149
4√n 16.886357920347
5√n 9.5946423854774

Divisors of 81310

1, 2, 5, 10, 47, 94, 173, 235, 346, 470, 865, 1730, 8131, 16262, 40655, 81310

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81309
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81310 can be divided by 16 positive divisors. The sum of these divisors (counting 81310) is 1, the average is 0.0625.

Base conversion 81310

Base System Value
2 Binary 10011110110011110
3 Ternary 11010112111
4 Quaternary 103312132
5 Quinary 10100220
6 Senary 1424234
8 Octal 236636
10 Decimal 81310
12 Duodecimal 3b07a
16 Hexadecimal 13d9e
20 Vigesimal a35a
36 Base36 1qqm

Cryptographic Hash Functions

md5 96ee07ff556c692c3899b9251d685c20
sha1 55bc72ba10067d5c7735f8af342fee7ac2ab8acc
sha256 b0fa134bb9e712c63b915faf458defe27665fac94429ec0bfa788d9da7505a50
sha512 6a034f5d000db7e1f7200bd047b35f0c82b5251481f86777f3abc538c2c22dbcbe22402995894aa612ab2a3167b65019054c77e3ab4e22828548ea646888a478
ripemd-160 6801be585a2d48a8218d04d576a9e46ced9d74bc

81310 as geometric shapes

Circle

Radius = n
Diameter 162620
Circumference 510885.79732677
Area 20770062090.32

Sphere

Radius = n
Volume 2.2517516647519E+15
Surface area 83080248361.28
Circumference 510885.79732677

Square

Length = n
Perimeter 325240
Area 6611316100
Diagonal 114989.70475656

Cube

Length = n
Surface area 39667896600
Volume 537566112091000
Space diagonal 140833.05116343

Equilateral Triangle

Length = n
Perimeter 243930
Area 2862783847.5245
Altitude 70416.525581713

Triangular Pyramid

Length = n
Surface area 2862783847.5245
Volume 63352773865939
Height 38329.901585519