81306054 (number)

81306054 is an even 8-digits composite number following 81306053 and preceding 81306055. In scientific notation, it is written as 8.1306054 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 25675488 positive integers (up to 81306054) that are relatively prime to 81306054.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1306054 × 10^7
Engineering notation 8.1306054 × 10^6

Prime Factorization of 81306054

Prime Factorization 2 × 9 × 19 × 237737

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81306054
Product of the distinct prime numbers

The prime factorization of 81306054 is 2 × 9 × 19 × 237737. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 5, 75, 993, 396, 4601, 8660, 55965, 70661, 971494, 518493, 4113209, 1020804, 3627819, 97712740, 335664271, 71480754, 2303180754, 8342999500

Basic calculations (n = 81306054)

Multiplication

n×y
n×2 162612108
n×3 243918162
n×4 325224216
n×5 406530270

Division

n÷y
n÷2 40653027
n÷3 27102018
n÷3 20326513.5
n÷5 16261210.8

Exponentiation

ny
n2 6610674417050916
n3 5.3748785112916E+23
n4 4.3701016248251E+31
n5 3.5531571869352E+39

Nth Root

y√n
2√n 9016.986969049
3√n 433.21913216761
4√n 94.957816787503
5√n 38.196588576252

Divisors of 81306054

1, 2, 9, 18, 19, 38, 171, 342, 237737, 475474, 2139633, 4279266, 4517003, 9034006, 40653027, 81306054

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81306053
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81306054 can be divided by 16 positive divisors. The sum of these divisors (counting 81306054) is 1, the average is 0.0625.

Base conversion 81306054

Base System Value
2 Binary 100110110001010000111000110
3 Ternary 12122222202221100
4 Quaternary 10312022013012
5 Quinary 131303243204
6 Senary 12022400530
8 Octal 466120706
10 Decimal 81306054
12 Duodecimal 23290146
16 Hexadecimal 4d8a1c6
20 Vigesimal 158352e
36 Base36 1ceo5i

Cryptographic Hash Functions

md5 a489c347f9bd8c1698d61ab1b013d154
sha1 d142cc96674c56e29b851d14910f65e351d13e79
sha256 bca7702f77d910a5586bc2a6f8ee77639d39ff5053c651240348b0c777fd2300
sha512 c21eb6ab1d3922c4f8cce07b78f113926f5a14cbe88022c6eac2e72db5ac9a519622b6fd1e43a0e2e21db1dc17739fc088e8ab7975a9d95ed1c8bfa8e09fb1f8
ripemd-160 e3525bed09aa86f196a5be4405424bf51dfbb153

81306054 as geometric shapes

Circle

Radius = n
Diameter 162612108
Circumference 510861003.87755
Area 2.0768046183881E+16

Sphere

Radius = n
Volume 2.2514238460015E+24
Surface area 8.3072184735525E+16
Circumference 510861003.87755

Square

Length = n
Perimeter 325224216
Area 6610674417050916
Diagonal 114984124.26984

Cube

Length = n
Surface area 39664046502305496
Volume 5.3748785112916E+23
Space diagonal 140826216.49094

Equilateral Triangle

Length = n
Perimeter 243918162
Area 2.862505990657E+15
Altitude 70413108.245469

Triangular Pyramid

Length = n
Surface area 2.862505990657E+15
Volume 6.3343550723136E+22
Height 38328041.42328