81303208 (number)

81303208 is an even 8-digits composite number following 81303207 and preceding 81303209. In scientific notation, it is written as 8.1303208 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors. There are 33901632 positive integers (up to 81303208) that are relatively prime to 81303208.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred three thousand two hundred eight

Notation

Scientific notation 8.1303208 × 10^7
Engineering notation 8.1303208 × 10^6

Prime Factorization of 81303208

Prime Factorization 2 × 2 × 2 × 259 × 39239

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20325802
Product of the distinct prime numbers

The prime factorization of 81303208 is 2 × 2 × 2 × 259 × 39239. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81303208)

Multiplication

n×y
n×2 162606416
n×3 243909624
n×4 325212832
n×5 406516040

Division

n÷y
n÷2 40651604
n÷3 27101069.333333
n÷3 20325802
n÷5 16260641.6

Exponentiation

ny
n2 6610211631091264
n3 5.3743141116663E+23
n4 4.3694897807814E+31
n5 3.5525353650075E+39

Nth Root

y√n
2√n 9016.8291544201
3√n 433.21407737371
4√n 94.956985811577
5√n 38.196321169318

Divisors of 81303208

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 -81303207
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 81303208 can be divided by 16 positive divisors. The sum of these divisors (counting 81303208) is 1, the average is 0.0625.

Base conversion 81303208

Base System Value
2 Binary 100110110001001011010101000
3 Ternary 12122222122000221
4 Quaternary 10312021122220
5 Quinary 131303200313
6 Senary 12022335424
8 Octal 466113250
10 Decimal 81303208
12 Duodecimal 2328a574
16 Hexadecimal 4d896a8
20 Vigesimal 1582i08
36 Base36 1celyg

Cryptographic Hash Functions

md5 9aa3b0b84bb078f04c77aeb96811aff8
sha1 5afb033a07c7863dd5b026b215ca9c57a862608b
sha256 6cfb21222243518f0c16354fdd55f6528a6cf199d4b9624e1bd9fb13e66032d1
sha512 0755217eba86254fd5fff78c3bfb2b120ddcb5be4845c3371c06c25da0a2a53355f813e64f35f37aa6d9b882510985b293019876e8030e72e0ecb6486108b8ad
ripemd-160 b09b5c7aea1dcca4efe878de7b0777de7079a9e5

81303208 as geometric shapes

Circle

Radius = n
Diameter 162606416
Circumference 510843121.93217
Area 2.076659229891E+16

Sphere

Radius = n
Volume 2.2511874308393E+24
Surface area 8.306636919564E+16
Circumference 510843121.93217

Square

Length = n
Perimeter 325212832
Area 6610211631091264
Diagonal 114980099.41804

Cube

Length = n
Surface area 39661269786547584
Volume 5.3743141116663E+23
Space diagonal 140821287.07434

Equilateral Triangle

Length = n
Perimeter 243909624
Area 2.8623055984582E+15
Altitude 70410643.53717

Triangular Pyramid

Length = n
Surface area 2.8623055984582E+15
Volume 6.3336899209764E+22
Height 38326699.806014