81591314 (number)

81591314 is an even 8-digits composite number following 81591313 and preceding 81591315. In scientific notation, it is written as 8.1591314 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 34865424 positive integers (up to 81591314) that are relatively prime to 81591314.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred ninety-one thousand three hundred fourteen

Notation

Scientific notation 8.1591314 × 10^7
Engineering notation 8.1591314 × 10^6

Prime Factorization of 81591314

Prime Factorization 2 × 7 × 349 × 16699

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81591314
Product of the distinct prime numbers

The prime factorization of 81591314 is 2 × 7 × 349 × 16699. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 94, 82, 637, 504, 861, 4997, 58567, 44320, 222767, 406699, 7834459, 4502738, 83564053, 62186426, 281841426, 251797753, 669123899, 992870167

Basic calculations (n = 81591314)

Multiplication

n×y
n×2 163182628
n×3 244773942
n×4 326365256
n×5 407956570

Division

n÷y
n÷2 40795657
n÷3 27197104.666667
n÷3 20397828.5
n÷5 16318262.8

Exponentiation

ny
n2 6657142520246596
n3 5.4316500571219E+23
n4 4.4317546534875E+31
n5 3.6159268550366E+39

Nth Root

y√n
2√n 9032.7910415331
3√n 433.72518650944
4√n 95.040996635836
5√n 38.223353372147

Divisors of 81591314

1, 2, 7, 14, 349, 698, 2443, 4886, 16699, 33398, 116893, 233786, 5827951, 11655902, 40795657, 81591314

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 -81591313
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 81591314 can be divided by 16 positive divisors. The sum of these divisors (counting 81591314) is 1, the average is 0.0625.

Base conversion 81591314

Base System Value
2 Binary 100110111001111110000010010
3 Ternary 12200112021020112
4 Quaternary 10313033300102
5 Quinary 131341410224
6 Senary 12032441322
8 Octal 467176022
10 Decimal 81591314
12 Duodecimal 233a9242
16 Hexadecimal 4dcfc12
20 Vigesimal 159ii5e
36 Base36 1cks9e

Cryptographic Hash Functions

md5 51b8121c39751f011de30b4395f92716
sha1 b51f628c94e6300167ea20d31b64dce4cb6eda5a
sha256 066d7639c5bea60652d01b85759c218fafa9ed8f34c39ca156ea759e42955341
sha512 0a63ebc2e50654e05323069d2d97dda6f3d2931750245f27b230ba8b22ef29c56a87d44f6fd5f2405122544b80140f54f1fd2c4077fce28cf4356cc9c09db8cb
ripemd-160 3f20c14f2b8f845ccef8ebec4d463166096a51f8

81591314 as geometric shapes

Circle

Radius = n
Diameter 163182628
Circumference 512653345.31828
Area 2.0914030035507E+16

Sphere

Radius = n
Volume 2.27520425551E+24
Surface area 8.3656120142028E+16
Circumference 512653345.31828

Square

Length = n
Perimeter 326365256
Area 6657142520246596
Diagonal 115387542.83064

Cube

Length = n
Surface area 39942855121479576
Volume 5.4316500571219E+23
Space diagonal 141320301.30431

Equilateral Triangle

Length = n
Perimeter 244773942
Area 2.8826272695736E+15
Altitude 70660150.652153

Triangular Pyramid

Length = n
Surface area 2.8826272695736E+15
Volume 6.4012609807053E+22
Height 38462514.276881