81108 (number)

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.

Interesting facts

Basic properties

Name

Name eighty-one thousand one hundred eight

Notation

Scientific notation 8.1108 × 10^4
Engineering notation 8.1108 × 10^3

Prime Factorization of 81108

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.

Most popular turbo-numbers

Basic calculations (n = 81108)

Multiplication

n×y
n×2 162216
n×3 243324
n×4 324432
n×5 405540

Division

n÷y
n÷2 40554
n÷3 27036
n÷3 20277
n÷5 16221.6

Exponentiation

ny
n2 6578507664
n3 533569599611712
n4 4.3276763085307E+19
n5 3.5100917003231E+24

Nth Root

y√n
2√n 284.79466287134
3√n 43.286708563154
4√n 16.875860359441
5√n 9.5898704100771

Divisors of 81108

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 conversion 81108

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

Cryptographic Hash Functions

md5 0adafc8781d2af79ab602e3fa008d5be
sha1 4acc86cffda74055e5b3ecad63a0ba3c6c4fbdcd
sha256 7783b2340acd1350fd65908d5d9176acd32ff9789086bbfe0ea51e2896785c89
sha512 947e1996b4fe8b57b1873a4a140fb574ce6b4e3b9759540ffd529ad67f3d3ab8c2cf8f2096f20183511a53fabc05a3a428ddb4f4495f40224a49a0a7a1a5ff0d
ripemd-160 12d60a2c8eb57cfbfca45a823083d14a1aca7623

81108 as geometric shapes

Circle

Radius = n
Diameter 162216
Circumference 509616.59389472
Area 20666991348.807

Sphere

Radius = n
Volume 2.2350111124253E+15
Surface area 82667965395.226
Circumference 509616.59389472

Square

Length = n
Perimeter 324432
Area 6578507664
Diagonal 114704.03361696

Cube

Length = n
Surface area 39471045984
Volume 533569599611712
Space diagonal 140483.1769003

Equilateral Triangle

Length = n
Perimeter 243324
Area 2848577378.0073
Altitude 70241.588450148

Triangular Pyramid

Length = n
Surface area 2848577378.0073
Volume 62881780353405
Height 38234.677872319