81093944 (number)

81093944 is an even 8-digits composite number following 81093943 and preceding 81093945. In scientific notation, it is written as 8.1093944 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 38161792 positive integers (up to 81093944) that are relatively prime to 81093944.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-three thousand nine hundred forty-four

Notation

Scientific notation 8.1093944 × 10^7
Engineering notation 8.1093944 × 10^6

Prime Factorization of 81093944

Prime Factorization 2 × 2 × 2 × 17 × 596279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20273486
Product of the distinct prime numbers

The prime factorization of 81093944 is 2 × 2 × 2 × 17 × 596279. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81093944)

Multiplication

n×y
n×2 162187888
n×3 243281832
n×4 324375776
n×5 405469720

Division

n÷y
n÷2 40546972
n÷3 27031314.666667
n÷3 20273486
n÷5 16218788.8

Exponentiation

ny
n2 6576227753475136
n3 5.3329224517156E+23
n4 4.3246771465577E+31
n5 3.5070512634103E+39

Nth Root

y√n
2√n 9005.2175987035
3√n 432.84207892746
4√n 94.895824980362
5√n 38.176638410958

Divisors of 81093944

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81093943
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81093944 can be divided by 16 positive divisors. The sum of these divisors (counting 81093944) is 1, the average is 0.0625.

Base conversion 81093944

Base System Value
2 Binary 100110101010110010100111000
3 Ternary 12122120222222102
4 Quaternary 10311112110320
5 Quinary 131230001234
6 Senary 12014042532
8 Octal 465262470
10 Decimal 81093944
12 Duodecimal 231a9448
16 Hexadecimal 4d56538
20 Vigesimal 156geh4
36 Base36 1ca4hk

Cryptographic Hash Functions

md5 26005ee151e1e21c25fcd325bfb2d00c
sha1 06cb366dfc26494704559f7475fce0cfbda887a6
sha256 63d8ca8e20b8bfa472d94d2a3402f367aa894e4b3ba04dc60bb68660c6fb5aea
sha512 f8d3e8fcc4f04c346ac4a4b3405a4223ad2838a8b8aec317c9d480b0ecbebd0d1c310216a911359e2ac2f257039b6cf08f578c50b16db98a63198fb5409c588f
ripemd-160 56efad5ed8fc5fbf66878d6e2a52973e995005b3

81093944 as geometric shapes

Circle

Radius = n
Diameter 162187888
Circumference 509528277.44204
Area 2.0659828798651E+16

Sphere

Radius = n
Volume 2.2338493328632E+24
Surface area 8.2639315194603E+16
Circumference 509528277.44204

Square

Length = n
Perimeter 324375776
Area 6576227753475136
Diagonal 114684155.43112

Cube

Length = n
Surface area 39457366520850816
Volume 5.3329224517156E+23
Space diagonal 140458831.19415

Equilateral Triangle

Length = n
Perimeter 243281832
Area 2.8475901477909E+15
Altitude 70229415.597073

Triangular Pyramid

Length = n
Surface area 2.8475901477909E+15
Volume 6.2849093819168E+22
Height 38228051.810375