81108 is an even 5-digits composite number following 81107
and preceding 81109 . In scientific notation, it is written as 8.1108 × 10^4.
The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors.
There are 27000 positive integers (up to 81108) that are relatively prime to 81108.
81108 has 12 divisors, whose sum is 147392
The reverse of 81108 is 80118
Previous prime number is 27
Is Prime? no
Number parity even
Number length 5
Sum of Digits 18
Digital Root 9
Name
eighty-one thousand one hundred eight
Scientific notation
8.1108 × 10^4
Engineering notation
8.1108 × 10^3
Prime Factorization
2 × 2 × 27 × 751
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40554
Product of the distinct prime numbers
The prime factorization of 81108 is 2 × 2 × 27 × 751.
Since it has a total of 4 prime factors.
4 , 3 , 31 , 24 , 437 , 425 , 6481 , 3446 , 21327 , 8876 , 240039 , 886434 , 9209418 , 94580 , 50643812 , 27120691 , 254360688 , 833040924 , 7381381960 , 8328215847
n×2
162216
n×3
243324
n×4
324432
n×5
405540
n÷2
40554
n÷3
27036
n÷3
20277
n÷5
16221.6
n2
6578507664
n3
533569599611712
n4
4.3276763085307E+19
n5
3.5100917003231E+24
2 √n
284.79466287134
3 √n
43.286708563154
4 √n
16.875860359441
5 √n
9.5898704100771
1 , 2 , 4 , 27 , 54 , 108 , 751 , 1502 , 3004 , 20277 , 40554 , 81108
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
-81107
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 81108 can be divided by 12 positive divisors.
The sum of these divisors (counting 81108) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10011110011010100
3
Ternary
11010021000
4
Quaternary
103303110
5
Quinary
10043413
6
Senary
1423300
8
Octal
236324
10
Decimal
81108
12
Duodecimal
3ab30
16
Hexadecimal
13cd4
20
Vigesimal
a2f8
36
Base36
1ql0
md5
0adafc8781d2af79ab602e3fa008d5be
sha1
4acc86cffda74055e5b3ecad63a0ba3c6c4fbdcd
sha256
7783b2340acd1350fd65908d5d9176acd32ff9789086bbfe0ea51e2896785c89
sha512
947e1996b4fe8b57b1873a4a140fb574ce6b4e3b9759540ffd529ad67f3d3ab8c2cf8f2096f20183511a53fabc05a3a428ddb4f4495f40224a49a0a7a1a5ff0d
ripemd-160
12d60a2c8eb57cfbfca45a823083d14a1aca7623
Diameter
162216
Circumference
509616.59389472
Area
20666991348.807
Volume
2.2350111124253E+15
Surface area
82667965395.226
Circumference
509616.59389472
Perimeter
324432
Area
6578507664
Diagonal
114704.03361696
Surface area
39471045984
Volume
533569599611712
Space diagonal
140483.1769003
Perimeter
243324
Area
2848577378.0073
Altitude
70241.588450148
Surface area
2848577378.0073
Volume
62881780353405
Height
38234.677872319