81012012 (number)

81012012 is an even 8-digits composite number following 81012011 and preceding 81012013. In scientific notation, it is written as 8.1012012 × 10^7. The sum of its digits is 15. It has a total of 4 prime factors and 12 positive divisors. There are 27004000 positive integers (up to 81012012) that are relatively prime to 81012012.

Interesting facts

Basic properties

Name

Name eighty-one million twelve thousand twelve

Notation

Scientific notation 8.1012012 × 10^7
Engineering notation 8.1012012 × 10^6

Prime Factorization of 81012012

Prime Factorization 2 × 2 × 3 × 6751001

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40506006
Product of the distinct prime numbers

The prime factorization of 81012012 is 2 × 2 × 3 × 6751001. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81012012)

Multiplication

n×y
n×2 162024024
n×3 243036036
n×4 324048048
n×5 405060060

Division

n÷y
n÷2 40506006
n÷3 27004004
n÷3 20253003
n÷5 16202402.4

Exponentiation

ny
n2 6562946088288144
n3 5.3167746725975E+23
n4 4.3072261357777E+31
n5 3.4893705539833E+39

Nth Root

y√n
2√n 9000.6673085944
3√n 432.69625806202
4√n 94.871846764962
5√n 38.16892105739

Divisors of 81012012

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 -81012011
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 81012012 can be divided by 12 positive divisors. The sum of these divisors (counting 81012012) is 1, the average is 0.083333333333333.

Base conversion 81012012

Base System Value
2 Binary 100110101000010010100101100
3 Ternary 12122102211120220
4 Quaternary 10311002110230
5 Quinary 131214341022
6 Senary 12012211340
8 Octal 465022454
10 Decimal 81012012
12 Duodecimal 23169b50
16 Hexadecimal 4d4252c
20 Vigesimal 1566a0c
36 Base36 1c8d9o

Cryptographic Hash Functions

md5 952959364368d4d4cb3992385e3f0b9b
sha1 3d0ef5134d8eb1913820764b13438da388f6d38e
sha256 13dff3b7ea2b6e478ed0b6fa0ab19ea3387a5c0c45b064737b099a2fb2adbddc
sha512 08192fbcbae70b7bc863aac9f2843d69608981d9c51a624b88adc7978a6196f0665edd2502d834b1add1d86f14dca367ee901fe59ddecc3a458b1495e069424e
ripemd-160 8afc6738c1d77c60344c9b12659f3fafa4f618d6

81012012 as geometric shapes

Circle

Radius = n
Diameter 162024024
Circumference 509013483.50346
Area 2.0618103216872E+16

Sphere

Radius = n
Volume 2.2270853669633E+24
Surface area 8.2472412867488E+16
Circumference 509013483.50346

Square

Length = n
Perimeter 324048048
Area 6562946088288144
Diagonal 114568286.08553

Cube

Length = n
Surface area 39377676529728864
Volume 5.3167746725975E+23
Space diagonal 140316920.80738

Equilateral Triangle

Length = n
Perimeter 243036036
Area 2.8418390180626E+15
Altitude 70158460.40369

Triangular Pyramid

Length = n
Surface area 2.8418390180626E+15
Volume 6.2658790417243E+22
Height 38189428.695177