81206 is an even 5-digits composite number following 81205
and preceding 81207 . In scientific notation, it is written as 8.1206 × 10^4.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 38448 positive integers (up to 81206) that are relatively prime to 81206.
81206 has 8 divisors, whose sum is 128280
The reverse of 81206 is 60218
Previous prime number is 19
Is Prime? no
Number parity even
Number length 5
Sum of Digits 17
Digital Root 8
Name
eighty-one thousand two hundred six
Scientific notation
8.1206 × 10^4
Engineering notation
8.1206 × 10^3
Prime Factorization
2 × 19 × 2137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81206
Product of the distinct prime numbers
The prime factorization of 81206 is 2 × 19 × 2137.
Since it has a total of 3 prime factors.
10 , 4 , 38 , 39 , 297 , 750 , 7368 , 7917 , 15262 , 30248 , 357 , 174469 , 5708700 , 2643996 , 49993685 , 53612674 , 637850476 , 200848700 , 4980664062 , 8661858448
n×2
162412
n×3
243618
n×4
324824
n×5
406030
n÷2
40603
n÷3
27068.666666667
n÷3
20301.5
n÷5
16241.2
n2
6594414436
n3
535506018689816
n4
4.3486301753725E+19
n5
3.531348620213E+24
2 √n
284.96666471712
3 √n
43.304135492098
4 √n
16.880955681392
5 √n
9.5921867128203
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81205
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81206 can be divided by 8 positive divisors.
The sum of these divisors (counting 81206) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011110100110110
3
Ternary
11010101122
4
Quaternary
103310312
5
Quinary
10044311
6
Senary
1423542
8
Octal
236466
10
Decimal
81206
12
Duodecimal
3abb2
16
Hexadecimal
13d36
20
Vigesimal
a306
36
Base36
1qnq
md5
118b94b981d7ac7f1223ed794e4eedcf
sha1
5002b152154047c95d86295a6c9e5386fdf8958f
sha256
5e1075f9c0bb3ca6aa72d3313806eced6199bba85b88c4ef59e8e8388c038d3a
sha512
43ba2973fb5a63541f30bfef7aa2472fdc49f984312b8041720328754dd406417fec7555b646d27baec3471fd7eb57fc94f91eaa08ca4ff859a2e876bab26878
ripemd-160
d2a4c7ed7ef18a8a120b655e8342bdf247ca4953
Diameter
162412
Circumference
510232.34605483
Area
20716963946.864
Volume
2.2431223656921E+15
Surface area
82867855787.456
Circumference
510232.34605483
Perimeter
324824
Area
6594414436
Diagonal
114842.62654607
Surface area
39566486616
Volume
535506018689816
Space diagonal
140652.91787944
Perimeter
243618
Area
2855465212.3294
Altitude
70326.458939719
Surface area
2855465212.3294
Volume
63109989530296
Height
38280.875515357