81210366 (number)

81210366 is an even 8-digits composite number following 81210365 and preceding 81210367. In scientific notation, it is written as 8.1210366 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 27009360 positive integers (up to 81210366) that are relatively prime to 81210366.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred ten thousand three hundred sixty-six

Notation

Scientific notation 8.1210366 × 10^7
Engineering notation 8.1210366 × 10^6

Prime Factorization of 81210366

Prime Factorization 2 × 9 × 467 × 9661

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81210366
Product of the distinct prime numbers

The prime factorization of 81210366 is 2 × 9 × 467 × 9661. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 97, 80, 436, 430, 9707, 1906, 48756, 69948, 968117, 226278, 9785297, 1773249, 82257900, 95337510, 190351000, 32714921, 1459840153, 8739966288

Basic calculations (n = 81210366)

Multiplication

n×y
n×2 162420732
n×3 243631098
n×4 324841464
n×5 406051830

Division

n÷y
n÷2 40605183
n÷3 27070122
n÷3 20302591.5
n÷5 16242073.2

Exponentiation

ny
n2 6595123545853956
n3 5.3559239697402E+23
n4 4.3495654585077E+31
n5 3.5322980282637E+39

Nth Root

y√n
2√n 9011.6794217282
3√n 433.04911553257
4√n 94.929865804857
5√n 38.18759373075

Divisors of 81210366

1, 2, 9, 18, 467, 934, 4203, 8406, 9661, 19322, 86949, 173898, 4511687, 9023374, 40605183, 81210366

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 -81210365
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 81210366 can be divided by 16 positive divisors. The sum of these divisors (counting 81210366) is 1, the average is 0.0625.

Base conversion 81210366

Base System Value
2 Binary 100110101110010101111111110
3 Ternary 12122210220200100
4 Quaternary 10311302233332
5 Quinary 131242212431
6 Senary 12020341530
8 Octal 465625776
10 Decimal 81210366
12 Duodecimal 232448a6
16 Hexadecimal 4d72bfe
20 Vigesimal 157b5i6
36 Base36 1ccmbi

Cryptographic Hash Functions

md5 e3c8a3513fc54d7ce69f242c96566042
sha1 7372e4911cc3b92f82c5c9f97b0f4632cc071ff4
sha256 4fa8ca5df03cd736349175b87ab4f66d4684c50cd04358a8a18f20bac385f412
sha512 2e940a5c9d8e1de3d340e66fc37e6f9544773a414c747428dc0fddd8cec69c39b0eef0ead7d7eb6434605b513ff0a4b9ffb7849979f9933ccd7ca31d0a3d863b
ripemd-160 e21f3ce8aa95cbc6809c77d9277e4ce5faf5f351

81210366 as geometric shapes

Circle

Radius = n
Diameter 162420732
Circumference 510259778.44188
Area 2.0719191681172E+16

Sphere

Radius = n
Volume 2.2434841862028E+24
Surface area 8.2876766724687E+16
Circumference 510259778.44188

Square

Length = n
Perimeter 324841464
Area 6595123545853956
Diagonal 114848801.00248

Cube

Length = n
Surface area 39570741275123736
Volume 5.3559239697402E+23
Space diagonal 140660480.01326

Equilateral Triangle

Length = n
Perimeter 243631098
Area 2.8557722659032E+15
Altitude 70330240.006632

Triangular Pyramid

Length = n
Surface area 2.8557722659032E+15
Volume 6.3120169308714E+22
Height 38282933.667494