81532012 (number)

81532012 is an even 8-digits composite number following 81532011 and preceding 81532013. In scientific notation, it is written as 8.1532012 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors. There are 40735520 positive integers (up to 81532012) that are relatively prime to 81532012.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred thirty-two thousand twelve

Notation

Scientific notation 8.1532012 × 10^7
Engineering notation 8.1532012 × 10^6

Prime Factorization of 81532012

Prime Factorization 2 × 2 × 1481 × 13763

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40766006
Product of the distinct prime numbers

The prime factorization of 81532012 is 2 × 2 × 1481 × 13763. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81532012)

Multiplication

n×y
n×2 163064024
n×3 244596036
n×4 326128048
n×5 407660060

Division

n÷y
n÷2 40766006
n÷3 27177337.333333
n÷3 20383003
n÷5 16306402.4

Exponentiation

ny
n2 6647468980768144
n3 5.4198152070962E+23
n4 4.4188843850275E+31
n5 3.6028053470667E+39

Nth Root

y√n
2√n 9029.5078492684
3√n 433.62008134689
4√n 95.023722560571
5√n 38.217795475172

Divisors of 81532012

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 -81532011
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 81532012 can be divided by 12 positive divisors. The sum of these divisors (counting 81532012) is 1, the average is 0.083333333333333.

Base conversion 81532012

Base System Value
2 Binary 100110111000001010001101100
3 Ternary 12200102020220011
4 Quaternary 10313001101230
5 Quinary 131333011022
6 Senary 12031303004
8 Octal 467012154
10 Decimal 81532012
12 Duodecimal 2337aa64
16 Hexadecimal 4dc146c
20 Vigesimal 159ba0c
36 Base36 1cjii4

Cryptographic Hash Functions

md5 8508b69eb4f1267ecec981adb57f0e52
sha1 edf53a5997be1294e8a539afeb678272cf7b75e8
sha256 e9bb6f77fad3dfe1aa837fdb00407490f725783708d3b45adb1ac9411ef1c6f8
sha512 7f7a239c65c980b7da68b34e36abcb7f77e9bfa42896cd0c693ae419c1d0509ca3d07a71ac6bbd9f335dcdd4e47e9420842bebfd00e5a5085d535d308159b214
ripemd-160 fcf5a2c5f8ccc36bea3b32ddffcec0aed3bfc5c2

81532012 as geometric shapes

Circle

Radius = n
Diameter 163064024
Circumference 512280739.86319
Area 2.0883639714947E+16

Sphere

Radius = n
Volume 2.2702468851237E+24
Surface area 8.3534558859789E+16
Circumference 512280739.86319

Square

Length = n
Perimeter 326128048
Area 6647468980768144
Diagonal 115303677.13797

Cube

Length = n
Surface area 39884813884608864
Volume 5.4198152070962E+23
Space diagonal 141217587.22732

Equilateral Triangle

Length = n
Perimeter 244596036
Area 2.8784385041071E+15
Altitude 70608793.613658

Triangular Pyramid

Length = n
Surface area 2.8784385041071E+15
Volume 6.3873134761928E+22
Height 38434559.045989