81338051 (number)

81338051 is an odd 8-digits composite number following 81338050 and preceding 81338052. In scientific notation, it is written as 8.1338051 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 77801592 positive integers (up to 81338051) that are relatively prime to 81338051.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty-eight thousand fifty-one

Notation

Scientific notation 8.1338051 × 10^7
Engineering notation 8.1338051 × 10^6

Prime Factorization of 81338051

Prime Factorization 23 × 3536437

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81338051
Product of the distinct prime numbers

The prime factorization of 81338051 is 23 × 3536437. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81338051)

Multiplication

n×y
n×2 162676102
n×3 244014153
n×4 325352204
n×5 406690255

Division

n÷y
n÷2 40669025.5
n÷3 27112683.666667
n÷3 20334512.75
n÷5 16267610.2

Exponentiation

ny
n2 6615878540478601
n3 5.3812266613525E+23
n4 4.3769848862365E+31
n5 3.5601541990294E+39

Nth Root

y√n
2√n 9018.7610568193
3√n 433.27595407249
4√n 94.967157780041
5√n 38.199594462876

Divisors of 81338051

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 -81338050
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 81338051 can be divided by 4 positive divisors. The sum of these divisors (counting 81338051) is 1, the average is 0.25.

Base conversion 81338051

Base System Value
2 Binary 100110110010001111011000011
3 Ternary 12200001101211102
4 Quaternary 10312101323003
5 Quinary 131310304201
6 Senary 12023205015
8 Octal 466217303
10 Decimal 81338051
12 Duodecimal 232a676b
16 Hexadecimal 4d91ec3
20 Vigesimal 158752b
36 Base36 1cfcub

Cryptographic Hash Functions

md5 4879e2b33cdce9d060695d15a56b9faa
sha1 97ff23462508645212b6e3bbbe719ee09e687a25
sha256 2108e9a041e28e19ed98e62d3aca911a7476095cb52f051acaaf59e7d187dc8a
sha512 ec75e97ad2c0fcc09738126c8c6d9c10eea6efa721699b2e6bdc8a5be47a861c6a323de3a9ea720ee635316f5429d5ae919c0d2ece87214b1768aac190f08e3c
ripemd-160 049cfe0339b442dbbc85ba3a89428619689da8e6

81338051 as geometric shapes

Circle

Radius = n
Diameter 162676102
Circumference 511062046.95782
Area 2.078439541981E+16

Sphere

Radius = n
Volume 2.2540829528809E+24
Surface area 8.313758167924E+16
Circumference 511062046.95782

Square

Length = n
Perimeter 325352204
Area 6615878540478601
Diagonal 115029374.86119

Cube

Length = n
Surface area 39695271242871606
Volume 5.3812266613525E+23
Space diagonal 140881636.92063

Equilateral Triangle

Length = n
Perimeter 244014153
Area 2.8647594422034E+15
Altitude 70440818.460314

Triangular Pyramid

Length = n
Surface area 2.8647594422034E+15
Volume 6.341836438907E+22
Height 38343124.953731