81528082 (number)

81528082 is an even 8-digits composite number following 81528081 and preceding 81528083. In scientific notation, it is written as 8.1528082 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 40764040 positive integers (up to 81528082) that are relatively prime to 81528082.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred twenty-eight thousand eighty-two

Notation

Scientific notation 8.1528082 × 10^7
Engineering notation 8.1528082 × 10^6

Prime Factorization of 81528082

Prime Factorization 2 × 40764041

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81528082
Product of the distinct prime numbers

The prime factorization of 81528082 is 2 × 40764041. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81528082)

Multiplication

n×y
n×2 163056164
n×3 244584246
n×4 326112328
n×5 407640410

Division

n÷y
n÷2 40764041
n÷3 27176027.333333
n÷3 20382020.5
n÷5 16305616.4

Exponentiation

ny
n2 6646828154598724
n3 5.4190315082803E+23
n4 4.4180324516766E+31
n5 3.6019371199895E+39

Nth Root

y√n
2√n 9029.2902268119
3√n 433.61311412727
4√n 95.022577458264
5√n 38.217427033799

Divisors of 81528082

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81528081
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81528082 can be divided by 4 positive divisors. The sum of these divisors (counting 81528082) is 1, the average is 0.25.

Base conversion 81528082

Base System Value
2 Binary 100110111000000010100010010
3 Ternary 12200102001111121
4 Quaternary 10313000110102
5 Quinary 131332344312
6 Senary 12031232454
8 Octal 467002422
10 Decimal 81528082
12 Duodecimal 2337872a
16 Hexadecimal 4dc0512
20 Vigesimal 159b042
36 Base36 1cjfgy

Cryptographic Hash Functions

md5 46f7a1fc32ce61fab74455380cd65e42
sha1 937a99b80db217fd9dfb690bb4bc10d484067814
sha256 ee55474b1b91705dd324606e3fd601fe16dff9c6398ca90048c4446aded3ef5f
sha512 2e64a0227f0a519c64afd49262b94f331c7a09867d3732d5bec3c860aa755f47367b89605126e0f912be865369978fb16d82ef4bb100fb26bb609abce35696c8
ripemd-160 623f931fe5f19f206eded0cf14e3268744b85679

81528082 as geometric shapes

Circle

Radius = n
Diameter 163056164
Circumference 512256046.94493
Area 2.0881626500161E+16

Sphere

Radius = n
Volume 2.2699186101313E+24
Surface area 8.3526506000645E+16
Circumference 512256046.94493

Square

Length = n
Perimeter 326112328
Area 6646828154598724
Diagonal 115298119.27867

Cube

Length = n
Surface area 39880968927592344
Volume 5.4190315082803E+23
Space diagonal 141210780.26764

Equilateral Triangle

Length = n
Perimeter 244584246
Area 2.8781610182361E+15
Altitude 70605390.133821

Triangular Pyramid

Length = n
Surface area 2.8781610182361E+15
Volume 6.386389878281E+22
Height 38432706.426222