81103612 (number)

81103612 is an even 8-digits composite number following 81103611 and preceding 81103613. In scientific notation, it is written as 8.1103612 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 38294256 positive integers (up to 81103612) that are relatively prime to 81103612.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred three thousand six hundred twelve

Notation

Scientific notation 8.1103612 × 10^7
Engineering notation 8.1103612 × 10^6

Prime Factorization of 81103612

Prime Factorization 2 × 2 × 23 × 11159 × 79

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40551806
Product of the distinct prime numbers

The prime factorization of 81103612 is 2 × 2 × 23 × 11159 × 79. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81103612)

Multiplication

n×y
n×2 162207224
n×3 243310836
n×4 324414448
n×5 405518060

Division

n÷y
n÷2 40551806
n÷3 27034537.333333
n÷3 20275903
n÷5 16220722.4

Exponentiation

ny
n2 6577795879446544
n3 5.3348300482183E+23
n4 4.3267398631664E+31
n5 3.5091423108718E+39

Nth Root

y√n
2√n 9005.7543826156
3√n 432.85927935256
4√n 94.898653218134
5√n 38.177548649434

Divisors of 81103612

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81103611
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81103612 can be divided by 24 positive divisors. The sum of these divisors (counting 81103612) is 1, the average is 0.041666666666667.

Base conversion 81103612

Base System Value
2 Binary 100110101011000101011111100
3 Ternary 12122121111020111
4 Quaternary 10311120223330
5 Quinary 131230303422
6 Senary 12014155404
8 Octal 465305374
10 Decimal 81103612
12 Duodecimal 231b2b64
16 Hexadecimal 4d58afc
20 Vigesimal 156hj0c
36 Base36 1caby4

Cryptographic Hash Functions

md5 89c9320cc5f27a14377fc02e0175270d
sha1 67e82f205c1052a83946becac21ac94f07bd15df
sha256 24d43a9fb46a9544b94bc56366e1adacc99eb9161a3f48a4f0cd8688f8d314fc
sha512 ce3faca5c462a11f21930d57a9f660d8f0881fb57727b31e183117ae5a82be7b9f099c0e27cf4fd47cfa594153b8902c9a1b21e0e4bcb8adedb963f1d7bee07b
ripemd-160 3dfe0c5cb1bb5fab7f9b6c66e3d3092210b5c415

81103612 as geometric shapes

Circle

Radius = n
Diameter 162207224
Circumference 509589023.27759
Area 2.0664755211682E+16

Sphere

Radius = n
Volume 2.2346483850177E+24
Surface area 8.265902084673E+16
Circumference 509589023.27759

Square

Length = n
Perimeter 324414448
Area 6577795879446544
Diagonal 114697828.04785

Cube

Length = n
Surface area 39466775276679264
Volume 5.3348300482183E+23
Space diagonal 140475576.66135

Equilateral Triangle

Length = n
Perimeter 243310836
Area 2.8482691662547E+15
Altitude 70237788.330676

Triangular Pyramid

Length = n
Surface area 2.8482691662547E+15
Volume 6.2871575059549E+22
Height 38232609.349282