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.
81708 has 12 divisors, whose sum is 147560
The reverse of 81708 is 80718
Previous prime number is 33
Is Prime? no
Number parity even
Number length 5
Sum of Digits 24
Digital Root 6
Name
eighty-one thousand seven hundred eight
Scientific notation
8.1708 × 10^4
Engineering notation
8.1708 × 10^3
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.
10 , 7 , 90 , 24 , 808 , 765 , 1753 , 2153 , 95623 , 34845 , 804438 , 673027 , 6409564 , 5590688 , 43669043 , 50405905 , 376246415 , 841145929 , 8953129132 , 7685251409
n×2
163416
n×3
245124
n×4
326832
n×5
408540
n÷2
40854
n÷3
27236
n÷3
20427
n÷5
16341.6
n2
6676197264
n3
545498726046912
n4
4.4571609907841E+19
n5
3.6418571023499E+24
2 √n
285.84611244514
3 √n
43.393184882717
4 √n
16.906984132161
5 √n
9.6040169097315
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
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
md5
82f49d32c7cb6f8421b39495497563f8
sha1
282f8a0d51573330a47d9472e5a09a8edff804a4
sha256
aa44213c89fd08d171cb9c95746466b581ad0e594f58a7d50b42ef14f725fa78
sha512
2cd88daf74c3fa9045cf82fd94f271a064652ba32bbbe9087e4e019e1c0f3b2beff94f75e48b331b608c1329f7ca7b45f3cf323bb2f0c64e52358105f72ba9fa
ripemd-160
e69d6650dc90f6691d84fa955db3758b8c541e4b
Diameter
163416
Circumference
513386.50507903
Area
20973892278.499
Volume
2.2849797203888E+15
Surface area
83895569113.995
Circumference
513386.50507903
Perimeter
326832
Area
6676197264
Diagonal
115552.56175438
Surface area
40057183584
Volume
545498726046912
Space diagonal
141522.40738484
Perimeter
245124
Area
2890878215.6501
Altitude
70761.203692419
Surface area
2890878215.6501
Volume
64287641386066
Height
38517.520584794