81014745 (number)

81014745 is an odd 8-digits composite number following 81014744 and preceding 81014746. In scientific notation, it is written as 8.1014745 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 37035264 positive integers (up to 81014745) that are relatively prime to 81014745.

Interesting facts

Basic properties

Name

Name eighty-one million fourteen thousand seven hundred forty-five

Notation

Scientific notation 8.1014745 × 10^7
Engineering notation 8.1014745 × 10^6

Prime Factorization of 81014745

Prime Factorization 5 × 21 × 771569

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81014745
Product of the distinct prime numbers

The prime factorization of 81014745 is 5 × 21 × 771569. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81014745)

Multiplication

n×y
n×2 162029490
n×3 243044235
n×4 324058980
n×5 405073725

Division

n÷y
n÷2 40507372.5
n÷3 27004915
n÷3 20253686.25
n÷5 16202949

Exponentiation

ny
n2 6563388907415025
n3 5.3173127867006E+23
n4 4.3078073949979E+31
n5 3.4899591761487E+39

Nth Root

y√n
2√n 9000.8191293904
3√n 432.70112378314
4√n 94.872646897778
5√n 38.169178585258

Divisors of 81014745

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 -81014744
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 81014745 can be divided by 8 positive divisors. The sum of these divisors (counting 81014745) is 1, the average is 0.125.

Base conversion 81014745

Base System Value
2 Binary 100110101000010111111011001
3 Ternary 12122102222100010
4 Quaternary 10311002333121
5 Quinary 131214432440
6 Senary 12012232133
8 Octal 465027731
10 Decimal 81014745
12 Duodecimal 2316b649
16 Hexadecimal 4d42fd9
20 Vigesimal 1566gh5
36 Base36 1c8fdl

Cryptographic Hash Functions

md5 6c559d4ae6baa3ac86413b1db057cc58
sha1 99195d9b71e1f3ce211dadd7de38b619c971fa77
sha256 b079b78d5e4bc258c30a5b1734e3bc4a4a90689753ffe3e77faa6f077cefa310
sha512 47eb418d42ba1f2888a427adf0b3e53db53d35ada0bc34b4a860db1273c8f97651579bd24669ed01f5a9ff1f40269e9ff389fcfe57c6a428ccaf02c37352f8ff
ripemd-160 accf02ccf78b4e8f414c55bce3a4f2c94c78b63d

81014745 as geometric shapes

Circle

Radius = n
Diameter 162029490
Circumference 509030655.4489
Area 2.0619494374188E+16

Sphere

Radius = n
Volume 2.2273107716717E+24
Surface area 8.2477977496751E+16
Circumference 509030655.4489

Square

Length = n
Perimeter 324058980
Area 6563388907415025
Diagonal 114572151.1312

Cube

Length = n
Surface area 39380333444490150
Volume 5.3173127867006E+23
Space diagonal 140321654.50224

Equilateral Triangle

Length = n
Perimeter 243044235
Area 2.8420307643692E+15
Altitude 70160827.251118

Triangular Pyramid

Length = n
Surface area 2.8420307643692E+15
Volume 6.2665132152765E+22
Height 38190717.043733