81008064 (number)

81008064 is an even 8-digits composite number following 81008063 and preceding 81008065. In scientific notation, it is written as 8.1008064 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 28 positive divisors. There are 27002496 positive integers (up to 81008064) that are relatively prime to 81008064.

Interesting facts

Basic properties

Name

Name eighty-one million eight thousand sixty-four

Notation

Scientific notation 8.1008064 × 10^7
Engineering notation 8.1008064 × 10^6

Prime Factorization of 81008064

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 140639

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2531502
Product of the distinct prime numbers

The prime factorization of 81008064 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 140639. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 6, 45, 50, 120, 82, 745, 3259, 22709, 6754, 759940, 383828, 5822297, 8377273, 16068964, 28445346, 147567034, 357891381, 928785465, 5105494538

Basic calculations (n = 81008064)

Multiplication

n×y
n×2 162016128
n×3 243024192
n×4 324032256
n×5 405040320

Division

n÷y
n÷2 40504032
n÷3 27002688
n÷3 20252016
n÷5 16201612.8

Exponentiation

ny
n2 6562306433028096
n3 5.3159973951435E+23
n4 4.3063865720962E+31
n5 3.4885203904111E+39

Nth Root

y√n
2√n 9000.4479888503
3√n 432.68922901148
4√n 94.870690884226
5√n 38.16854902901

Divisors of 81008064

1, 2, 4, 8, 9, 16, 18, 32, 36, 64, 72, 144, 288, 576, 140639, 281278, 562556, 1125112, 1265751, 2250224, 2531502, 4500448, 5063004, 9000896, 10126008, 20252016, 40504032, 81008064

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81008063
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81008064 can be divided by 28 positive divisors. The sum of these divisors (counting 81008064) is 1, the average is 0.035714285714286.

Base conversion 81008064

Base System Value
2 Binary 100110101000001010111000000
3 Ternary 12122102122011200
4 Quaternary 10311001113000
5 Quinary 131214224224
6 Senary 12012141200
8 Octal 465012700
10 Decimal 81008064
12 Duodecimal 23167800
16 Hexadecimal 4d415c0
20 Vigesimal 1566034
36 Base36 1c8a80

Cryptographic Hash Functions

md5 f957ff64fcca50dab800688ef1dc82ea
sha1 1e88c9acc99c76446dea3a1681c0771a76d4352e
sha256 b77cacc13a452a3d41a1e74c1b041e51ecd7e412e325a1976f8696d113a7a359
sha512 c6d515a7c913fc0eb10322ea8553a2bf1993a6828f986c1168ef56a87c6646493beb367a52d0424ef18209627fc83b34911a390f30edb53f6da1fb997678cccd
ripemd-160 2a0ccdfa4b7c3083d2d896e3bb509fab51401766

81008064 as geometric shapes

Circle

Radius = n
Diameter 162016128
Circumference 508988677.48786
Area 2.0616093680606E+16

Sphere

Radius = n
Volume 2.2267597817447E+24
Surface area 8.2464374722424E+16
Circumference 508988677.48786

Square

Length = n
Perimeter 324032256
Area 6562306433028096
Diagonal 114562702.77039

Cube

Length = n
Surface area 39373838598168576
Volume 5.3159973951435E+23
Space diagonal 140310082.67079

Equilateral Triangle

Length = n
Perimeter 243024192
Area 2.8415620392102E+15
Altitude 70155041.335396

Triangular Pyramid

Length = n
Surface area 2.8415620392102E+15
Volume 6.26496301146E+22
Height 38187567.590129