81336481 (number)

81336481 is an odd 8-digits composite number following 81336480 and preceding 81336482. In scientific notation, it is written as 8.1336481 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 81197332 positive integers (up to 81336481) that are relatively prime to 81336481.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1336481 × 10^7
Engineering notation 8.1336481 × 10^6

Prime Factorization of 81336481

Prime Factorization 587 × 138563

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81336481
Product of the distinct prime numbers

The prime factorization of 81336481 is 587 × 138563. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81336481)

Multiplication

n×y
n×2 162672962
n×3 244009443
n×4 325345924
n×5 406682405

Division

n÷y
n÷2 40668240.5
n÷3 27112160.333333
n÷3 20334120.25
n÷5 16267296.2

Exponentiation

ny
n2 6615623141463361
n3 5.3809150594879E+23
n4 4.3766469549866E+31
n5 3.5598106189797E+39

Nth Root

y√n
2√n 9018.6740156189
3√n 433.27316633409
4√n 94.966699508927
5√n 38.199446994808

Divisors of 81336481

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81336480
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81336481 can be divided by 4 positive divisors. The sum of these divisors (counting 81336481) is 1, the average is 0.25.

Base conversion 81336481

Base System Value
2 Binary 100110110010001100010100001
3 Ternary 12200001022200021
4 Quaternary 10312101202201
5 Quinary 131310231411
6 Senary 12023153441
8 Octal 466214241
10 Decimal 81336481
12 Duodecimal 232a5881
16 Hexadecimal 4d918a1
20 Vigesimal 1587141
36 Base36 1cfbmp

Cryptographic Hash Functions

md5 c7ac6415df0cd502a2c5bf5c2da7ab5e
sha1 7801f9e626a57b96c7475936153a7bf244182d13
sha256 3182cb155502cb232cf13737b33893977d14a29003d82a61d86be69ac3c677ad
sha512 2f28e4879c22379c5859a3a58952c39d0b05a5181fdde00a9e17dfa1f291fe736c3ad96bb139a359781a81052d4aa8221201aeb8a894874cb12be5c1691baf7d
ripemd-160 0c51278444bebfa99593d5332e76fbffc02da726

81336481 as geometric shapes

Circle

Radius = n
Diameter 162672962
Circumference 511052182.35689
Area 2.078359306014E+16

Sphere

Radius = n
Volume 2.2539524293971E+24
Surface area 8.313437224056E+16
Circumference 511052182.35689

Square

Length = n
Perimeter 325345924
Area 6615623141463361
Diagonal 115027154.5459

Cube

Length = n
Surface area 39693738848780166
Volume 5.3809150594879E+23
Space diagonal 140878917.60086

Equilateral Triangle

Length = n
Perimeter 244009443
Area 2.8646488511857E+15
Altitude 70439458.80043

Triangular Pyramid

Length = n
Surface area 2.8646488511857E+15
Volume 6.3414692125879E+22
Height 38342384.848634