81103472 (number)

81103472 is an even 8-digits composite number following 81103471 and preceding 81103473. In scientific notation, it is written as 8.1103472 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 10 positive divisors. There are 40551728 positive integers (up to 81103472) that are relatively prime to 81103472.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred three thousand four hundred seventy-two

Notation

Scientific notation 8.1103472 × 10^7
Engineering notation 8.1103472 × 10^6

Prime Factorization of 81103472

Prime Factorization 2 × 2 × 2 × 2 × 5068967

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10137934
Product of the distinct prime numbers

The prime factorization of 81103472 is 2 × 2 × 2 × 2 × 5068967. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81103472)

Multiplication

n×y
n×2 162206944
n×3 243310416
n×4 324413888
n×5 405517360

Division

n÷y
n÷2 40551736
n÷3 27034490.666667
n÷3 20275868
n÷5 16220694.4

Exponentiation

ny
n2 6577773170454784
n3 5.3348024215233E+23
n4 4.3267099881955E+31
n5 3.5091120237973E+39

Nth Root

y√n
2√n 9005.7466098042
3√n 432.85903028707
4√n 94.898612264902
5√n 38.177535469108

Divisors of 81103472

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81103471
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81103472 can be divided by 10 positive divisors. The sum of these divisors (counting 81103472) is 1, the average is 0.1.

Base conversion 81103472

Base System Value
2 Binary 100110101011000101001110000
3 Ternary 12122121111001022
4 Quaternary 10311120221300
5 Quinary 131230302342
6 Senary 12014155012
8 Octal 465305160
10 Decimal 81103472
12 Duodecimal 231b2a68
16 Hexadecimal 4d58a70
20 Vigesimal 156hidc
36 Base36 1cabu8

Cryptographic Hash Functions

md5 29acc790354465e99a02f187574902bf
sha1 cf62d763c3af92371554f0616e2e5578b6fabcb5
sha256 0ce494760583a0090d71d11180ee401a8a3265ced6a787317b79e64483f2dc51
sha512 e442576ac7321eae0c7c7eb8a35b875386e43ada017e3651024539f2d645537913cc813e3561ee3f34aafab8fe970e7886ad354c1f30af1e0b3c86c0368e04c2
ripemd-160 03620b52321ef7140edf9efd5de27cc2982b7763

81103472 as geometric shapes

Circle

Radius = n
Diameter 162206944
Circumference 509588143.63165
Area 2.0664683869281E+16

Sphere

Radius = n
Volume 2.2346368127748E+24
Surface area 8.2658735477123E+16
Circumference 509588143.63165

Square

Length = n
Perimeter 324413888
Area 6577773170454784
Diagonal 114697630.05795

Cube

Length = n
Surface area 39466639022728704
Volume 5.3348024215233E+23
Space diagonal 140475334.17424

Equilateral Triangle

Length = n
Perimeter 243310416
Area 2.8482593329728E+15
Altitude 70237667.08712

Triangular Pyramid

Length = n
Surface area 2.8482593329728E+15
Volume 6.2871249475826E+22
Height 38232543.352649