81482813 (number)

81482813 is an odd 8-digits composite number following 81482812 and preceding 81482814. In scientific notation, it is written as 8.1482813 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 77134464 positive integers (up to 81482813) that are relatively prime to 81482813.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred eighty-two thousand eight hundred thirteen

Notation

Scientific notation 8.1482813 × 10^7
Engineering notation 8.1482813 × 10^6

Prime Factorization of 81482813

Prime Factorization 23 × 97 × 36523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81482813
Product of the distinct prime numbers

The prime factorization of 81482813 is 23 × 97 × 36523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81482813)

Multiplication

n×y
n×2 162965626
n×3 244448439
n×4 325931252
n×5 407414065

Division

n÷y
n÷2 40741406.5
n÷3 27160937.666667
n÷3 20370703.25
n÷5 16296562.6

Exponentiation

ny
n2 6639448814392969
n3 5.4100096616625E+23
n4 4.4082280558944E+31
n5 3.591948223398E+39

Nth Root

y√n
2√n 9026.783092553
3√n 433.53284376402
4√n 95.009384234153
5√n 38.213181995668

Divisors of 81482813

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81482812
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81482813 can be divided by 8 positive divisors. The sum of these divisors (counting 81482813) is 1, the average is 0.125.

Base conversion 81482813

Base System Value
2 Binary 100110110110101010000111101
3 Ternary 12200022202101222
4 Quaternary 10312311100331
5 Quinary 131324422223
6 Senary 12030243125
8 Octal 466652075
10 Decimal 81482813
12 Duodecimal 233564a5
16 Hexadecimal 4db543d
20 Vigesimal 159570d
36 Base36 1cigjh

Cryptographic Hash Functions

md5 3860aed8d3f4afb322c19a3a2e2bed99
sha1 9264e498c047504ee6c351b837e5b428b104ab94
sha256 e4e7fab1bccacb776d07426a4d7718b9ced577855a85a55e234107be6c1f4333
sha512 c8bb546b24d432453beb820141acdde269a5299ad7e5b96863e3ba50f135fdee8c4cfea76f4b719d4477e847d28196002ca8fe3c24418eeae6486c477aa8e7f4
ripemd-160 e3265dd4f5e81f8a1c6d51ff25c1df772fbb69e8

81482813 as geometric shapes

Circle

Radius = n
Diameter 162965626
Circumference 511971613.42926
Area 2.0858443619182E+16

Sphere

Radius = n
Volume 2.2661395478572E+24
Surface area 8.343377447673E+16
Circumference 511971613.42926

Square

Length = n
Perimeter 325931252
Area 6639448814392969
Diagonal 115234099.24491

Cube

Length = n
Surface area 39836692886357814
Volume 5.4100096616625E+23
Space diagonal 141132372.05963

Equilateral Triangle

Length = n
Perimeter 244448439
Area 2.8749656701954E+15
Altitude 70566186.029817

Triangular Pyramid

Length = n
Surface area 2.8749656701954E+15
Volume 6.3757575300772E+22
Height 38411366.41497