81013566 (number)

81013566 is an even 8-digits composite number following 81013565 and preceding 81013567. In scientific notation, it is written as 8.1013566 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 26989824 positive integers (up to 81013566) that are relatively prime to 81013566.

Interesting facts

Basic properties

Name

Name eighty-one million thirteen thousand five hundred sixty-six

Notation

Scientific notation 8.1013566 × 10^7
Engineering notation 8.1013566 × 10^6

Prime Factorization of 81013566

Prime Factorization 2 × 3 × 3733 × 3617

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81013566
Product of the distinct prime numbers

The prime factorization of 81013566 is 2 × 3 × 3733 × 3617. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81013566)

Multiplication

n×y
n×2 162027132
n×3 243040698
n×4 324054264
n×5 405067830

Division

n÷y
n÷2 40506783
n÷3 27004522
n÷3 20253391.5
n÷5 16202713.2

Exponentiation

ny
n2 6563197876036356
n3 5.3170806430133E+23
n4 4.3075566360008E+31
n5 3.4897052382939E+39

Nth Root

y√n
2√n 9000.753635113
3√n 432.69902475331
4√n 94.872301727707
5√n 38.169067490114

Divisors of 81013566

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 -81013565
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 81013566 can be divided by 16 positive divisors. The sum of these divisors (counting 81013566) is 1, the average is 0.0625.

Base conversion 81013566

Base System Value
2 Binary 100110101000010101100111110
3 Ternary 12122102220201110
4 Quaternary 10311002230332
5 Quinary 131214413231
6 Senary 12012222450
8 Octal 465025476
10 Decimal 81013566
12 Duodecimal 2316aa26
16 Hexadecimal 4d42b3e
20 Vigesimal 1566di6
36 Base36 1c8egu

Cryptographic Hash Functions

md5 5259b4463bd972034446b83dff5af986
sha1 4b3efef754d8e3a70811b010ba73ebc98e3881b8
sha256 c779007fc7d36adb9301bb0047672d876203e46a7ceabccf4feaaa9ad7063dd1
sha512 ca4a1047be77152306de8541df0d1c1ccf46a763bd93fcebfe7fcde5c7bb726c29f1cccc32e790057f73074a5beee75bb41949a9e8a85256f38685b08e01688e
ripemd-160 5ee36bfc45a581c02924fe9edefdf55b31162968

81013566 as geometric shapes

Circle

Radius = n
Diameter 162027132
Circumference 509023247.57342
Area 2.0618894231412E+16

Sphere

Radius = n
Volume 2.2272135315513E+24
Surface area 8.2475576925648E+16
Circumference 509023247.57342

Square

Length = n
Perimeter 324054264
Area 6563197876036356
Diagonal 114570483.77341

Cube

Length = n
Surface area 39379187256218136
Volume 5.3170806430133E+23
Space diagonal 140319612.41433

Equilateral Triangle

Length = n
Perimeter 243040698
Area 2.8419480453558E+15
Altitude 70159806.207167

Triangular Pyramid

Length = n
Surface area 2.8419480453558E+15
Volume 6.2662396313174E+22
Height 38190161.257803