81043959 (number)

81043959 is an odd 8-digits composite number following 81043958 and preceding 81043960. In scientific notation, it is written as 8.1043959 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 54029304 positive integers (up to 81043959) that are relatively prime to 81043959.

Interesting facts

Basic properties

Name

Name eighty-one million forty-three thousand nine hundred fifty-nine

Notation

Scientific notation 8.1043959 × 10^7
Engineering notation 8.1043959 × 10^6

Prime Factorization of 81043959

Prime Factorization 3 × 27014653

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81043959
Product of the distinct prime numbers

The prime factorization of 81043959 is 3 × 27014653. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81043959)

Multiplication

n×y
n×2 162087918
n×3 243131877
n×4 324175836
n×5 405219795

Division

n÷y
n÷2 40521979.5
n÷3 27014653
n÷3 20260989.75
n÷5 16208791.8

Exponentiation

ny
n2 6568123290393681
n3 5.3230671465361E+23
n4 4.3140243557812E+31
n5 3.4962561301493E+39

Nth Root

y√n
2√n 9002.4418354133
3√n 432.75312835544
4√n 94.881198534869
5√n 38.171930957259

Divisors of 81043959

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 -81043958
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 81043959 can be divided by 4 positive divisors. The sum of these divisors (counting 81043959) is 1, the average is 0.25.

Base conversion 81043959

Base System Value
2 Binary 100110101001010000111110111
3 Ternary 12122111110102010
4 Quaternary 10311022013313
5 Quinary 131221401314
6 Senary 12013015303
8 Octal 465120767
10 Decimal 81043959
12 Duodecimal 23184533
16 Hexadecimal 4d4a1f7
20 Vigesimal 156a9hj
36 Base36 1c91x3

Cryptographic Hash Functions

md5 9ab8a97bb1e3e8f59fe9776c357756fa
sha1 dad07256d44e46979346b86a392ca647017b7d32
sha256 72fbb4df393a92011f5880b9172184ff65b8b923b4b63257d088755860798bc0
sha512 e2e1a73fb7576d66995be0acfa1fe215c5fba4221f7e4c2777b74af9209c9de4454997f578873083556cf5c8fca6973922f8e827f4af62d6d7d22f486721f8a1
ripemd-160 ed82968e73770e0790cf442a63a32c7bfbca0ac0

81043959 as geometric shapes

Circle

Radius = n
Diameter 162087918
Circumference 509214212.42446
Area 2.0634367876973E+16

Sphere

Radius = n
Volume 2.2297211522831E+24
Surface area 8.2537471507891E+16
Circumference 509214212.42446

Square

Length = n
Perimeter 324175836
Area 6568123290393681
Diagonal 114613465.96621

Cube

Length = n
Surface area 39408739742362086
Volume 5.3230671465361E+23
Space diagonal 140372254.63453

Equilateral Triangle

Length = n
Perimeter 243131877
Area 2.8440808123346E+15
Altitude 70186127.317264

Triangular Pyramid

Length = n
Surface area 2.8440808123346E+15
Volume 6.2732947933783E+22
Height 38204488.655403