81708 (number)

81708 is an even 5-digits composite number following 81707 and preceding 81709. In scientific notation, it is written as 8.1708 × 10^4. The sum of its digits is 24. It has a total of 4 prime factors and 12 positive divisors. There are 24720 positive integers (up to 81708) that are relatively prime to 81708.

Interesting facts

Basic properties

Name

Name eighty-one thousand seven hundred eight

Notation

Scientific notation 8.1708 × 10^4
Engineering notation 8.1708 × 10^3

Prime Factorization of 81708

Prime Factorization 2 × 2 × 33 × 619

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40854
Product of the distinct prime numbers

The prime factorization of 81708 is 2 × 2 × 33 × 619. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81708)

Multiplication

n×y
n×2 163416
n×3 245124
n×4 326832
n×5 408540

Division

n÷y
n÷2 40854
n÷3 27236
n÷3 20427
n÷5 16341.6

Exponentiation

ny
n2 6676197264
n3 545498726046912
n4 4.4571609907841E+19
n5 3.6418571023499E+24

Nth Root

y√n
2√n 285.84611244514
3√n 43.393184882717
4√n 16.906984132161
5√n 9.6040169097315

Divisors of 81708

1, 2, 4, 33, 66, 132, 619, 1238, 2476, 20427, 40854, 81708

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81707
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81708 can be divided by 12 positive divisors. The sum of these divisors (counting 81708) is 1, the average is 0.083333333333333.

Base conversion 81708

Base System Value
2 Binary 10011111100101100
3 Ternary 11011002020
4 Quaternary 103330230
5 Quinary 10103313
6 Senary 1430140
8 Octal 237454
10 Decimal 81708
12 Duodecimal 3b350
16 Hexadecimal 13f2c
20 Vigesimal a458
36 Base36 1r1o

Cryptographic Hash Functions

md5 82f49d32c7cb6f8421b39495497563f8
sha1 282f8a0d51573330a47d9472e5a09a8edff804a4
sha256 aa44213c89fd08d171cb9c95746466b581ad0e594f58a7d50b42ef14f725fa78
sha512 2cd88daf74c3fa9045cf82fd94f271a064652ba32bbbe9087e4e019e1c0f3b2beff94f75e48b331b608c1329f7ca7b45f3cf323bb2f0c64e52358105f72ba9fa
ripemd-160 e69d6650dc90f6691d84fa955db3758b8c541e4b

81708 as geometric shapes

Circle

Radius = n
Diameter 163416
Circumference 513386.50507903
Area 20973892278.499

Sphere

Radius = n
Volume 2.2849797203888E+15
Surface area 83895569113.995
Circumference 513386.50507903

Square

Length = n
Perimeter 326832
Area 6676197264
Diagonal 115552.56175438

Cube

Length = n
Surface area 40057183584
Volume 545498726046912
Space diagonal 141522.40738484

Equilateral Triangle

Length = n
Perimeter 245124
Area 2890878215.6501
Altitude 70761.203692419

Triangular Pyramid

Length = n
Surface area 2890878215.6501
Volume 64287641386066
Height 38517.520584794