81108927 (number)

81108927 is an odd 8-digits composite number following 81108926 and preceding 81108928. In scientific notation, it is written as 8.1108927 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 51535440 positive integers (up to 81108927) that are relatively prime to 81108927.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred eight thousand nine hundred twenty-seven

Notation

Scientific notation 8.1108927 × 10^7
Engineering notation 8.1108927 × 10^6

Prime Factorization of 81108927

Prime Factorization 3 × 3 × 31 × 67 × 4339

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 27036309
Product of the distinct prime numbers

The prime factorization of 81108927 is 3 × 3 × 31 × 67 × 4339. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81108927)

Multiplication

n×y
n×2 162217854
n×3 243326781
n×4 324435708
n×5 405544635

Division

n÷y
n÷2 40554463.5
n÷3 27036309
n÷3 20277231.75
n÷5 16221785.4

Exponentiation

ny
n2 6578658039091329
n3 5.3358789465062E+23
n4 4.3278741595301E+31
n5 3.5102922927051E+39

Nth Root

y√n
2√n 9006.0494668861
3√n 432.86873473422
4√n 94.900207939109
5√n 38.17804901766

Divisors of 81108927

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81108926
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81108927 can be divided by 24 positive divisors. The sum of these divisors (counting 81108927) is 1, the average is 0.041666666666667.

Base conversion 81108927

Base System Value
2 Binary 100110101011001111110111111
3 Ternary 12122121202112100
4 Quaternary 10311121332333
5 Quinary 131230441202
6 Senary 12014240143
8 Octal 465317677
10 Decimal 81108927
12 Duodecimal 231b6053
16 Hexadecimal 4d59fbf
20 Vigesimal 156ic67
36 Base36 1cag1r

Cryptographic Hash Functions

md5 e98e754ba264f20e5c80c99bde494f5f
sha1 9094c002113898bdaf7bffa3f1040eee19765cad
sha256 0f04e8f2b4bc3dcfb25111b7a767b6ccb7693bbd88f45cbc6675063698792298
sha512 3ef79a73a18fc553a7c5033803bc468ff4289faea21deb20174222d9e24f08fe74b1724b2c6038a00b6af5ad97216f2e30cf26639399655c162d5bcd564d909c
ripemd-160 cc8197bbbb4544fe5af083fcdd80c465cd505d4f

81108927 as geometric shapes

Circle

Radius = n
Diameter 162217854
Circumference 509622418.4075
Area 2.0667463766089E+16

Sphere

Radius = n
Volume 2.2350877465051E+24
Surface area 8.2669855064355E+16
Circumference 509622418.4075

Square

Length = n
Perimeter 324435708
Area 6578658039091329
Diagonal 114705344.59293

Cube

Length = n
Surface area 39471948234547974
Volume 5.3358789465062E+23
Space diagonal 140484782.5114

Equilateral Triangle

Length = n
Perimeter 243326781
Area 2.8486424923319E+15
Altitude 70242391.255698

Triangular Pyramid

Length = n
Surface area 2.8486424923319E+15
Volume 6.2883936444418E+22
Height 38235114.86431