81144963 (number)

81144963 is an odd 8-digits composite number following 81144962 and preceding 81144964. In scientific notation, it is written as 8.1144963 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 53699328 positive integers (up to 81144963) that are relatively prime to 81144963.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1144963 × 10^7
Engineering notation 8.1144963 × 10^6

Prime Factorization of 81144963

Prime Factorization 3 × 9 × 137 × 21937

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81144963
Product of the distinct prime numbers

The prime factorization of 81144963 is 3 × 9 × 137 × 21937. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81144963)

Multiplication

n×y
n×2 162289926
n×3 243434889
n×4 324579852
n×5 405724815

Division

n÷y
n÷2 40572481.5
n÷3 27048321
n÷3 20286240.75
n÷5 16228992.6

Exponentiation

ny
n2 6584505020271369
n3 5.3429941624323E+23
n4 4.3355706361979E+31
n5 3.5180971885816E+39

Nth Root

y√n
2√n 9008.0498999506
3√n 432.93283186354
4√n 94.910747020296
5√n 38.181440850818

Divisors of 81144963

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 -81144962
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 81144963 can be divided by 16 positive divisors. The sum of these divisors (counting 81144963) is 1, the average is 0.0625.

Base conversion 81144963

Base System Value
2 Binary 100110101100010110010000011
3 Ternary 12122200120222000
4 Quaternary 10311202302003
5 Quinary 131233114323
6 Senary 12015115043
8 Octal 465426203
10 Decimal 81144963
12 Duodecimal 23212a83
16 Hexadecimal 4d62c83
20 Vigesimal 1573283
36 Base36 1cb7ur

Cryptographic Hash Functions

md5 674ae0bb8020028d6c93a5e24da14e40
sha1 06e68e499256cfd4d70a9ad9018c7395c001be11
sha256 a2475124c87d99acddec9407ab503ccb54511e3685d4d39b4213f3908e7fd8ac
sha512 218c7f235a378e5eb77f294426e18b5434d513d07a660b1208d88085cbb3348e60d327748f2d42c8f7f672b5c34aafa9cccaab2e6d4177f98681dea2490be419
ripemd-160 b9f426d1bfff596323e700d9edeb135665b8e1e1

81144963 as geometric shapes

Circle

Radius = n
Diameter 162289926
Circumference 509848839.27323
Area 2.068583259921E+16

Sphere

Radius = n
Volume 2.2380681611827E+24
Surface area 8.2743330396839E+16
Circumference 509848839.27323

Square

Length = n
Perimeter 324579852
Area 6584505020271369
Diagonal 114756307.19286

Cube

Length = n
Surface area 39507030121628214
Volume 5.3429941624323E+23
Space diagonal 140547198.6943

Equilateral Triangle

Length = n
Perimeter 243434889
Area 2.8511743094506E+15
Altitude 70273599.347148

Triangular Pyramid

Length = n
Surface area 2.8511743094506E+15
Volume 6.2967790068267E+22
Height 38252102.397621