81118 (number)

81118 is an even 5-digits composite number following 81117 and preceding 81119. In scientific notation, it is written as 8.1118 × 10^4. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 40558 positive integers (up to 81118) that are relatively prime to 81118.

Interesting facts

Basic properties

Name

Name eighty-one thousand one hundred eighteen

Notation

Scientific notation 8.1118 × 10^4
Engineering notation 8.1118 × 10^3

Prime Factorization of 81118

Prime Factorization 2 × 40559

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81118
Product of the distinct prime numbers

The prime factorization of 81118 is 2 × 40559. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81118)

Multiplication

n×y
n×2 162236
n×3 243354
n×4 324472
n×5 405590

Division

n÷y
n÷2 40559
n÷3 27039.333333333
n÷3 20279.5
n÷5 16223.6

Exponentiation

ny
n2 6580129924
n3 533766979175032
n4 4.329810981672E+19
n5 3.5122560721127E+24

Nth Root

y√n
2√n 284.81221883901
3√n 43.288487464114
4√n 16.876380501725
5√n 9.5901068700441

Divisors of 81118

1, 2, 40559, 81118

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81117
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81118 can be divided by 4 positive divisors. The sum of these divisors (counting 81118) is 1, the average is 0.25.

Base conversion 81118

Base System Value
2 Binary 10011110011011110
3 Ternary 11010021101
4 Quaternary 103303132
5 Quinary 10043433
6 Senary 1423314
8 Octal 236336
10 Decimal 81118
12 Duodecimal 3ab3a
16 Hexadecimal 13cde
20 Vigesimal a2fi
36 Base36 1qla

Cryptographic Hash Functions

md5 8601ef0357ce47da4387492094442f13
sha1 5816a6a890f6d7f0bf5da5545ae37346da227f21
sha256 bda6d1e912b0eda1690b1e9de9d2fad3b3f5752bc02ed494e535fbfc460cde43
sha512 f70b4b2b4e39364df578603e26d910878cee2c685d2d991bc94723c113ac4e3c63c055eba50c2e6237949becdb7a76e8574db60799eec948a3da23b4370d4b49
ripemd-160 25e246e05368127971b9e9bb430f83b2a7edd05d

81118 as geometric shapes

Circle

Radius = n
Diameter 162236
Circumference 509679.42574779
Area 20672087828.905

Sphere

Radius = n
Volume 2.2358378940068E+15
Surface area 82688351315.619
Circumference 509679.42574779

Square

Length = n
Perimeter 324472
Area 6580129924
Diagonal 114718.17575258

Cube

Length = n
Surface area 39480779544
Volume 533766979175032
Space diagonal 140500.49740837

Equilateral Triangle

Length = n
Perimeter 243354
Area 2849279837.1931
Altitude 70250.248704186

Triangular Pyramid

Length = n
Surface area 2849279837.1931
Volume 62905041758021
Height 38239.391917527