81306052 (number)

81306052 is an even 8-digits composite number following 81306051 and preceding 81306053. In scientific notation, it is written as 8.1306052 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 39787976 positive integers (up to 81306052) that are relatively prime to 81306052.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred six thousand fifty-two

Notation

Scientific notation 8.1306052 × 10^7
Engineering notation 8.1306052 × 10^6

Prime Factorization of 81306052

Prime Factorization 2 × 2 × 47 × 432479

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40653026
Product of the distinct prime numbers

The prime factorization of 81306052 is 2 × 2 × 47 × 432479. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81306052)

Multiplication

n×y
n×2 162612104
n×3 243918156
n×4 325224208
n×5 406530260

Division

n÷y
n÷2 40653026
n÷3 27102017.333333
n÷3 20326513
n÷5 16261210.4

Exponentiation

ny
n2 6610674091826704
n3 5.3748781146511E+23
n4 4.3701011948349E+31
n5 3.5531567499251E+39

Nth Root

y√n
2√n 9016.9868581472
3√n 433.21912861544
4√n 94.95781620355
5√n 38.196588388337

Divisors of 81306052

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 -81306051
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 81306052 can be divided by 12 positive divisors. The sum of these divisors (counting 81306052) is 1, the average is 0.083333333333333.

Base conversion 81306052

Base System Value
2 Binary 100110110001010000111000100
3 Ternary 12122222202221021
4 Quaternary 10312022013010
5 Quinary 131303243202
6 Senary 12022400524
8 Octal 466120704
10 Decimal 81306052
12 Duodecimal 23290144
16 Hexadecimal 4d8a1c4
20 Vigesimal 158352c
36 Base36 1ceo5g

Cryptographic Hash Functions

md5 32fd5878570f2ee34f0c3be3c9260d2b
sha1 b53898f6bae624d2fad94ae47d36c1d6b06ce717
sha256 d1620e340e9cd3ff9eab236a9a41ddd39942d539325f2f40c27a8be7ed7d0f23
sha512 1a26503524f5fd87d81ff244dd7e0f2e7bab638bb4af7b77165d3f8eb410b95536155bd62765ae2f482fe99cb0474b02f105c188e59d86a6d064237ef358e0ef
ripemd-160 57b6eec3dce94ab06f26d2bd225eea22428120ea

81306052 as geometric shapes

Circle

Radius = n
Diameter 162612104
Circumference 510860991.31118
Area 2.0768045162159E+16

Sphere

Radius = n
Volume 2.2514236798571E+24
Surface area 8.3072180648637E+16
Circumference 510860991.31118

Square

Length = n
Perimeter 325224208
Area 6610674091826704
Diagonal 114984121.44141

Cube

Length = n
Surface area 39664044550960224
Volume 5.3748781146511E+23
Space diagonal 140826213.02684

Equilateral Triangle

Length = n
Perimeter 243918156
Area 2.8625058498308E+15
Altitude 70413106.513419

Triangular Pyramid

Length = n
Surface area 2.8625058498308E+15
Volume 6.3343546048683E+22
Height 38328040.480471