81108313 (number)

81108313 is an odd 8-digits composite number following 81108312 and preceding 81108314. In scientific notation, it is written as 8.1108313 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 67875840 positive integers (up to 81108313) that are relatively prime to 81108313.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred eight thousand three hundred thirteen

Notation

Scientific notation 8.1108313 × 10^7
Engineering notation 8.1108313 × 10^6

Prime Factorization of 81108313

Prime Factorization 11 × 13 × 983 × 577

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81108313
Product of the distinct prime numbers

The prime factorization of 81108313 is 11 × 13 × 983 × 577. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 45, 16, 300, 797, 6679, 858, 58473, 69102, 991921, 51301, 4383283, 6577217, 42686072, 83267476, 750344640, 339364021, 6609728836, 1913081685

Basic calculations (n = 81108313)

Multiplication

n×y
n×2 162216626
n×3 243324939
n×4 324433252
n×5 405541565

Division

n÷y
n÷2 40554156.5
n÷3 27036104.333333
n÷3 20277078.25
n÷5 16221662.6

Exponentiation

ny
n2 6578558437705969
n3 5.3357577685425E+23
n4 4.3277431118312E+31
n5 3.51015942898E+39

Nth Root

y√n
2√n 9006.0153786233
3√n 432.86764244971
4√n 94.900028338369
5√n 38.177991215408

Divisors of 81108313

1, 11, 13, 143, 577, 983, 6347, 7501, 10813, 12779, 82511, 140569, 567191, 6239101, 7373483, 81108313

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81108312
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81108313 can be divided by 16 positive divisors. The sum of these divisors (counting 81108313) is 1, the average is 0.0625.

Base conversion 81108313

Base System Value
2 Binary 100110101011001110101011001
3 Ternary 12122121201200121
4 Quaternary 10311121311121
5 Quinary 131230431223
6 Senary 12014233241
8 Octal 465316531
10 Decimal 81108313
12 Duodecimal 231b5821
16 Hexadecimal 4d59d59
20 Vigesimal 156iafd
36 Base36 1cafkp

Cryptographic Hash Functions

md5 2dad33fb3fddcce7a3bf3de65500f19f
sha1 eb4eb94af183b08326c06fe4239a0d1cbd7230ee
sha256 0ae39d8a57d6c711a43e527adddb41a9a7a2fcce9cfe40eb5b11edcaa2a66a04
sha512 11f67e166c195b52dc210c6c25b70a29cf493aea81c4dd77da3f31df51ef5382ca313f8a6753992061898838e8769cae830d190be7286a28dec8a59cc21f6ba1
ripemd-160 0457493d95575a1f72e94eeddbb5ec93ee9e9bea

81108313 as geometric shapes

Circle

Radius = n
Diameter 162216626
Circumference 509618560.53172
Area 2.0667150859108E+16

Sphere

Radius = n
Volume 2.2350369875984E+24
Surface area 8.2668603436433E+16
Circumference 509618560.53172

Square

Length = n
Perimeter 324433252
Area 6578558437705969
Diagonal 114704476.2658

Cube

Length = n
Surface area 39471350626235814
Volume 5.3357577685425E+23
Space diagonal 140483719.0322

Equilateral Triangle

Length = n
Perimeter 243324939
Area 2.8485993636669E+15
Altitude 70241859.5161

Triangular Pyramid

Length = n
Surface area 2.8485993636669E+15
Volume 6.288250834842E+22
Height 38234825.421934