81041431 (number)

81041431 is an odd 8-digits composite number following 81041430 and preceding 81041432. In scientific notation, it is written as 8.1041431 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 76274272 positive integers (up to 81041431) that are relatively prime to 81041431.

Interesting facts

Basic properties

Name

Name eighty-one million forty-one thousand four hundred thirty-one

Notation

Scientific notation 8.1041431 × 10^7
Engineering notation 8.1041431 × 10^6

Prime Factorization of 81041431

Prime Factorization 17 × 4767143

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81041431
Product of the distinct prime numbers

The prime factorization of 81041431 is 17 × 4767143. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81041431)

Multiplication

n×y
n×2 162082862
n×3 243124293
n×4 324165724
n×5 405207155

Division

n÷y
n÷2 40520715.5
n÷3 27013810.333333
n÷3 20260357.75
n÷5 16208286.2

Exponentiation

ny
n2 6567713538527761
n3 5.3225690356036E+23
n4 4.3134861124161E+31
n5 3.4957108714883E+39

Nth Root

y√n
2√n 9002.3014279683
3√n 432.74862869338
4√n 94.880458620141
5√n 38.171692815276

Divisors of 81041431

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 -81041430
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 81041431 can be divided by 4 positive divisors. The sum of these divisors (counting 81041431) is 1, the average is 0.25.

Base conversion 81041431

Base System Value
2 Binary 100110101001001100000010111
3 Ternary 12122111022221111
4 Quaternary 10311021200113
5 Quinary 131221311211
6 Senary 12012555451
8 Octal 465114027
10 Decimal 81041431
12 Duodecimal 23182b87
16 Hexadecimal 4d49817
20 Vigesimal 156a3bb
36 Base36 1c8zyv

Cryptographic Hash Functions

md5 cc606ef41931f2e023a682a48603335a
sha1 8b9d369e3138f22c6ecd94f08062b3915ab8df76
sha256 ca9a9c96f13e3289a649740825cb4112bec8a472070658c22b950b0aa7759ce5
sha512 3e719bd0ee491dbd52f77d6c84d5f1a4374fe985ae2d9065f332ee6ff9a3e9130e34bc49fd840e7a36ae57acc1a211c3d073e6970db14315d814d93f9c229842
ripemd-160 2bf6e503daede0a2ac30d071ebef0d56d4825788

81041431 as geometric shapes

Circle

Radius = n
Diameter 162082862
Circumference 509198328.53201
Area 2.0633080603521E+16

Sphere

Radius = n
Volume 2.2295125040636E+24
Surface area 8.2532322414084E+16
Circumference 509198328.53201

Square

Length = n
Perimeter 324165724
Area 6567713538527761
Diagonal 114609890.83432

Cube

Length = n
Surface area 39406281231166566
Volume 5.3225690356036E+23
Space diagonal 140367876.01009

Equilateral Triangle

Length = n
Perimeter 243124293
Area 2.843903384572E+15
Altitude 70183938.005044

Triangular Pyramid

Length = n
Surface area 2.843903384572E+15
Volume 6.2727077640148E+22
Height 38203296.944774