81682012 (number)

81682012 is an even 8-digits composite number following 81682011 and preceding 81682013. In scientific notation, it is written as 8.1682012 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 40841004 positive integers (up to 81682012) that are relatively prime to 81682012.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred eighty-two thousand twelve

Notation

Scientific notation 8.1682012 × 10^7
Engineering notation 8.1682012 × 10^6

Prime Factorization of 81682012

Prime Factorization 2 × 2 × 20420503

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 40841006
Product of the distinct prime numbers

The prime factorization of 81682012 is 2 × 2 × 20420503. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81682012)

Multiplication

n×y
n×2 163364024
n×3 245046036
n×4 326728048
n×5 408410060

Division

n÷y
n÷2 40841006
n÷3 27227337.333333
n÷3 20420503
n÷5 16336402.4

Exponentiation

ny
n2 6671951084368144
n3 5.4497838853677E+23
n4 4.4514931272201E+31
n5 3.6360691503551E+39

Nth Root

y√n
2√n 9037.8101329913
3√n 433.88583857649
4√n 95.067397844852
5√n 38.231847514656

Divisors of 81682012

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81682011
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81682012 can be divided by 6 positive divisors. The sum of these divisors (counting 81682012) is 1, the average is 0.16666666666667.

Base conversion 81682012

Base System Value
2 Binary 100110111100101111001011100
3 Ternary 12200200212122201
4 Quaternary 10313211321130
5 Quinary 131402311022
6 Senary 12034421244
8 Octal 467457134
10 Decimal 81682012
12 Duodecimal 23431824
16 Hexadecimal 4de5e5c
20 Vigesimal 15aa50c
36 Base36 1cmq8s

Cryptographic Hash Functions

md5 a3d7423bf53dadc702a513cdb4c11625
sha1 e6bf293cea498d7d5f02a39b9258e035c9bb0809
sha256 fb0499f0afaada209d2ad5602a3ff5bd96a388c1b19ff94fa118cac62b616f4d
sha512 c7c0d1eac00e927ea54ee096a23fc55d66c0428f948e5f6baa02b5396da6da580aeb96ba0456f82397f82e1e05adf6d61d90e1c37f9588438b1142d62322fc7a
ripemd-160 22c69de31ff07f844aa1174f15928b5e3039ddb3

81682012 as geometric shapes

Circle

Radius = n
Diameter 163364024
Circumference 513223217.65927
Area 2.0960552511761E+16

Sphere

Radius = n
Volume 2.2828001357231E+24
Surface area 8.3842210047046E+16
Circumference 513223217.65927

Square

Length = n
Perimeter 326728048
Area 6671951084368144
Diagonal 115515809.17232

Cube

Length = n
Surface area 40031706506208864
Volume 5.4497838853677E+23
Space diagonal 141477394.84845

Equilateral Triangle

Length = n
Perimeter 245046036
Area 2.889039565935E+15
Altitude 70738697.424225

Triangular Pyramid

Length = n
Surface area 2.889039565935E+15
Volume 6.4226319022411E+22
Height 38505269.724107