81366586 (number)

81366586 is an even 8-digits composite number following 81366585 and preceding 81366587. In scientific notation, it is written as 8.1366586 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 34871388 positive integers (up to 81366586) that are relatively prime to 81366586.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred sixty-six thousand five hundred eighty-six

Notation

Scientific notation 8.1366586 × 10^7
Engineering notation 8.1366586 × 10^6

Prime Factorization of 81366586

Prime Factorization 2 × 7 × 5811899

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81366586
Product of the distinct prime numbers

The prime factorization of 81366586 is 2 × 7 × 5811899. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81366586)

Multiplication

n×y
n×2 162733172
n×3 244099758
n×4 325466344
n×5 406832930

Division

n÷y
n÷2 40683293
n÷3 27122195.333333
n÷3 20341646.5
n÷5 16273317.2

Exponentiation

ny
n2 6620521317295396
n3 5.3868921712855E+23
n4 4.3831302512763E+31
n5 3.5664034453967E+39

Nth Root

y√n
2√n 9020.3428981386
3√n 433.32661541196
4√n 94.975485774692
5√n 38.202274321776

Divisors of 81366586

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81366585
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81366586 can be divided by 8 positive divisors. The sum of these divisors (counting 81366586) is 1, the average is 0.125.

Base conversion 81366586

Base System Value
2 Binary 100110110011000111000111010
3 Ternary 12200002211222021
4 Quaternary 10312120320322
5 Quinary 131312212321
6 Senary 12023545054
8 Octal 466307072
10 Decimal 81366586
12 Duodecimal 232bb18a
16 Hexadecimal 4d98e3a
20 Vigesimal 158ag96
36 Base36 1cfyuy

Cryptographic Hash Functions

md5 b5749c804ee9762220ff698a37ca9050
sha1 39c70260112768f0fe453423c76aafa7f6e593a2
sha256 3af5fdd32ba5c13c38028394e3e8f60821e52156f195eb21eb8184bf0c6f64fa
sha512 413e362af88a758778666c48e5b72c8548563403eab4a1221f8f98dc245de9e96ce31add9bc275dac95c6a2d8c5d23bbe1912c3cfaee789935a07242ceb3072a
ripemd-160 bd5b9afe3ea6f1be80dfa36f31d45cd83ca16354

81366586 as geometric shapes

Circle

Radius = n
Diameter 162733172
Circumference 511241337.65056
Area 2.079898113335E+16

Sphere

Radius = n
Volume 2.2564561161321E+24
Surface area 8.3195924533399E+16
Circumference 511241337.65056

Square

Length = n
Perimeter 325466344
Area 6620521317295396
Diagonal 115069729.4452

Cube

Length = n
Surface area 39723127903772376
Volume 5.3868921712855E+23
Space diagonal 140931060.99042

Equilateral Triangle

Length = n
Perimeter 244099758
Area 2.8667698235371E+15
Altitude 70465530.495211

Triangular Pyramid

Length = n
Surface area 2.8667698235371E+15
Volume 6.3485133063945E+22
Height 38356576.481732