81043958 (number)

81043958 is an even 8-digits composite number following 81043957 and preceding 81043959. In scientific notation, it is written as 8.1043958 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 40521978 positive integers (up to 81043958) that are relatively prime to 81043958.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1043958 × 10^7
Engineering notation 8.1043958 × 10^6

Prime Factorization of 81043958

Prime Factorization 2 × 40521979

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81043958
Product of the distinct prime numbers

The prime factorization of 81043958 is 2 × 40521979. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81043958)

Multiplication

n×y
n×2 162087916
n×3 243131874
n×4 324175832
n×5 405219790

Division

n÷y
n÷2 40521979
n÷3 27014652.666667
n÷3 20260989.5
n÷5 16208791.6

Exponentiation

ny
n2 6568123128305764
n3 5.3230669494924E+23
n4 4.3140241428585E+31
n5 3.4962559144481E+39

Nth Root

y√n
2√n 9002.4417798728
3√n 432.75312657553
4√n 94.881198242185
5√n 38.171930863058

Divisors of 81043958

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 -81043957
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 81043958 can be divided by 4 positive divisors. The sum of these divisors (counting 81043958) is 1, the average is 0.25.

Base conversion 81043958

Base System Value
2 Binary 100110101001010000111110110
3 Ternary 12122111110102002
4 Quaternary 10311022013312
5 Quinary 131221401313
6 Senary 12013015302
8 Octal 465120766
10 Decimal 81043958
12 Duodecimal 23184532
16 Hexadecimal 4d4a1f6
20 Vigesimal 156a9hi
36 Base36 1c91x2

Cryptographic Hash Functions

md5 62f6b35502d71f6c86f2052534b4de72
sha1 7d704e15bdddf368e6f3a09da52f57db8bb10964
sha256 28ba41b7e505f85b0f2706c40f773e96683180696b737abb234665fd29b73e39
sha512 97d1a1861b609c34bd45a6a51874abe165e28617ddb6f7fb6c5cf00d45ef0b939376453ec1ccd181c04cc20cdb25831bfcc8d6f3e1e7df53a4d4f43b154c21bd
ripemd-160 6e10cffe66e5a7ee8d79bc0e8081f1f4686dff9e

81043958 as geometric shapes

Circle

Radius = n
Diameter 162087916
Circumference 509214206.14128
Area 2.0634367367759E+16

Sphere

Radius = n
Volume 2.2297210697456E+24
Surface area 8.2537469471034E+16
Circumference 509214206.14128

Square

Length = n
Perimeter 324175832
Area 6568123128305764
Diagonal 114613464.552

Cube

Length = n
Surface area 39408738769834584
Volume 5.3230669494924E+23
Space diagonal 140372252.90248

Equilateral Triangle

Length = n
Perimeter 243131874
Area 2.8440807421485E+15
Altitude 70186126.451239

Triangular Pyramid

Length = n
Surface area 2.8440807421485E+15
Volume 6.2732945611601E+22
Height 38204488.183999