81288052 (number)

81288052 is an even 8-digits composite number following 81288051 and preceding 81288053. In scientific notation, it is written as 8.1288052 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 40580480 positive integers (up to 81288052) that are relatively prime to 81288052.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1288052 × 10^7
Engineering notation 8.1288052 × 10^6

Prime Factorization of 81288052

Prime Factorization 2 × 2 × 653 × 31121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40644026
Product of the distinct prime numbers

The prime factorization of 81288052 is 2 × 2 × 653 × 31121. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 67, 69, 229, 691, 9449, 8144, 88522, 47572, 184954, 300037, 9004184, 1759982, 28535566, 84334566, 416842629, 329296541, 5348055288, 3529476426

Basic calculations (n = 81288052)

Multiplication

n×y
n×2 162576104
n×3 243864156
n×4 325152208
n×5 406440260

Division

n÷y
n÷2 40644026
n÷3 27096017.333333
n÷3 20322013
n÷5 16257610.4

Exponentiation

ny
n2 6607747397954704
n3 5.3713091408781E+23
n4 4.3662325675177E+31
n5 3.5492253999247E+39

Nth Root

y√n
2√n 9015.988686772
3√n 433.18715674436
4√n 94.952560190718
5√n 38.194897002599

Divisors of 81288052

1, 2, 4, 653, 1306, 2612, 31121, 62242, 124484, 20322013, 40644026, 81288052

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81288051
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81288052 can be divided by 12 positive divisors. The sum of these divisors (counting 81288052) is 1, the average is 0.083333333333333.

Base conversion 81288052

Base System Value
2 Binary 100110110000101101101110100
3 Ternary 12122221212020121
4 Quaternary 10312011231310
5 Quinary 131302204202
6 Senary 12022141324
8 Octal 466055564
10 Decimal 81288052
12 Duodecimal 23281844
16 Hexadecimal 4d85b74
20 Vigesimal 158102c
36 Base36 1cea9g

Cryptographic Hash Functions

md5 99dff5a3e1af757e0aa4e9ce48361670
sha1 0bd73e793d62d6bfca7e6b308b1ca5e6d3ebe818
sha256 2f5aa4b98de31c9f7fd80b5f6997c6d4d78776023110ae3cab3b1ad6d234ab5f
sha512 fe7dd3859be4b5a3ae36b9400791dc286131f65f17e9109d3a443a4dd856c6c019c7a4e09683e84f7c167c148991d4b601a90f6bf143e86032a8d8341a77f0f2
ripemd-160 8e660638c332db792800e062f3c89de442cf6813

81288052 as geometric shapes

Circle

Radius = n
Diameter 162576104
Circumference 510747893.97565
Area 2.0758850682192E+16

Sphere

Radius = n
Volume 2.249928711619E+24
Surface area 8.3035402728766E+16
Circumference 510747893.97565

Square

Length = n
Perimeter 325152208
Area 6607747397954704
Diagonal 114958665.59729

Cube

Length = n
Surface area 39646484387728224
Volume 5.3713091408781E+23
Space diagonal 140795036.1123

Equilateral Triangle

Length = n
Perimeter 243864156
Area 2.8612385542096E+15
Altitude 70397518.05615

Triangular Pyramid

Length = n
Surface area 2.8612385542096E+15
Volume 6.3301485289403E+22
Height 38319555.199096