81402316 (number)

81402316 is an even 8-digits composite number following 81402315 and preceding 81402317. In scientific notation, it is written as 8.1402316 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 40638080 positive integers (up to 81402316) that are relatively prime to 81402316.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred two thousand three hundred sixteen

Notation

Scientific notation 8.1402316 × 10^7
Engineering notation 8.1402316 × 10^6

Prime Factorization of 81402316

Prime Factorization 2 × 2 × 659 × 30881

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40701158
Product of the distinct prime numbers

The prime factorization of 81402316 is 2 × 2 × 659 × 30881. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81402316)

Multiplication

n×y
n×2 162804632
n×3 244206948
n×4 325609264
n×5 407011580

Division

n÷y
n÷2 40701158
n÷3 27134105.333333
n÷3 20350579
n÷5 16280463.2

Exponentiation

ny
n2 6626337050163856
n3 5.3939918247995E+23
n4 4.3908342702374E+31
n5 3.574240787695E+39

Nth Root

y√n
2√n 9022.323204142
3√n 433.3900341321
4√n 94.985910555945
5√n 38.205628837766

Divisors of 81402316

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 -81402315
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 81402316 can be divided by 12 positive divisors. The sum of these divisors (counting 81402316) is 1, the average is 0.083333333333333.

Base conversion 81402316

Base System Value
2 Binary 100110110100001100111001100
3 Ternary 12200011122222121
4 Quaternary 10312201213030
5 Quinary 131314333231
6 Senary 12024422324
8 Octal 466414714
10 Decimal 81402316
12 Duodecimal 233179a4
16 Hexadecimal 4da19cc
20 Vigesimal 158f5fg
36 Base36 1cgqfg

Cryptographic Hash Functions

md5 641a2d9f577d59e74b4c44af0c2e191b
sha1 e98042564d8bee534faade2faffb3346ba4489d0
sha256 4d47cced3448e2b551aa0802a4fda14465b0628d6048003b934c7f7bdfc5dd01
sha512 057532b4515d7e8c3369ef6bd9c232efd636e74a3564744026aad957b396965a284055858904a2f393f1ab765847d585c001887be9ed3e8105ecfc224d949180
ripemd-160 d50749ea0c47c2655f5bbe2e98756387af3dc27d

81402316 as geometric shapes

Circle

Radius = n
Diameter 162804632
Circumference 511465835.86159
Area 2.0817251797005E+16

Sphere

Radius = n
Volume 2.2594300120418E+24
Surface area 8.3269007188019E+16
Circumference 511465835.86159

Square

Length = n
Perimeter 325609264
Area 6626337050163856
Diagonal 115120259.29578

Cube

Length = n
Surface area 39758022300983136
Volume 5.3939918247995E+23
Space diagonal 140992947.16578

Equilateral Triangle

Length = n
Perimeter 244206948
Area 2.86928810974E+15
Altitude 70496473.582888

Triangular Pyramid

Length = n
Surface area 2.86928810974E+15
Volume 6.3568803283008E+22
Height 38373419.76526