81435441 (number)

81435441 is an odd 8-digits composite number following 81435440 and preceding 81435442. In scientific notation, it is written as 8.1435441 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 54290292 positive integers (up to 81435441) that are relatively prime to 81435441.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1435441 × 10^7
Engineering notation 8.1435441 × 10^6

Prime Factorization of 81435441

Prime Factorization 3 × 27145147

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81435441
Product of the distinct prime numbers

The prime factorization of 81435441 is 3 × 27145147. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81435441)

Multiplication

n×y
n×2 162870882
n×3 244306323
n×4 325741764
n×5 407177205

Division

n÷y
n÷2 40717720.5
n÷3 27145147
n÷3 20358860.25
n÷5 16287088.2

Exponentiation

ny
n2 6631731050864481
n3 5.4005794272054E+23
n4 4.3979856731E+31
n5 3.5815190280058E+39

Nth Root

y√n
2√n 9024.1587419548
3√n 433.44881254991
4√n 94.995572222893
5√n 38.208737730903

Divisors of 81435441

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 -81435440
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 81435441 can be divided by 4 positive divisors. The sum of these divisors (counting 81435441) is 1, the average is 0.25.

Base conversion 81435441

Base System Value
2 Binary 100110110101001101100110001
3 Ternary 12200020100102110
4 Quaternary 10312221230301
5 Quinary 131321413231
6 Senary 12025235533
8 Octal 466515461
10 Decimal 81435441
12 Duodecimal 23332ba9
16 Hexadecimal 4da9b31
20 Vigesimal 158j8c1
36 Base36 1chfzl

Cryptographic Hash Functions

md5 cb8d077f60712b7d33131d480b165b1f
sha1 b219b2a13cd44328de82d8123dd29d526a506dec
sha256 28e9f5f6c07c043b38087a4a745747f52e4d3483fa03301e629a999fb2e8a9df
sha512 564949289b9812f6a9b2893c7935efbd0c35e4e6c02daf99d93f7182f15ff527d58662833e8b40302777f243a1ea05184cf8b3888a7e823bae63ed3ce8356f3e
ripemd-160 48397b0f4be43e003314666b4c9d539f5a867678

81435441 as geometric shapes

Circle

Radius = n
Diameter 162870882
Circumference 511673966.37489
Area 2.0834197549979E+16

Sphere

Radius = n
Volume 2.2621894204849E+24
Surface area 8.3336790199917E+16
Circumference 511673966.37489

Square

Length = n
Perimeter 325741764
Area 6631731050864481
Diagonal 115167105.12003

Cube

Length = n
Surface area 39790386305186886
Volume 5.4005794272054E+23
Space diagonal 141050321.34878

Equilateral Triangle

Length = n
Perimeter 244306323
Area 2.8716237805574E+15
Altitude 70525160.674389

Triangular Pyramid

Length = n
Surface area 2.8716237805574E+15
Volume 6.3646438921892E+22
Height 38389035.040011