81344265 (number)

81344265 is an odd 8-digits composite number following 81344264 and preceding 81344266. In scientific notation, it is written as 8.1344265 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 42788736 positive integers (up to 81344265) that are relatively prime to 81344265.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred forty-four thousand two hundred sixty-five

Notation

Scientific notation 8.1344265 × 10^7
Engineering notation 8.1344265 × 10^6

Prime Factorization of 81344265

Prime Factorization 3 × 5 × 73 × 74287

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81344265
Product of the distinct prime numbers

The prime factorization of 81344265 is 3 × 5 × 73 × 74287. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81344265)

Multiplication

n×y
n×2 162688530
n×3 244032795
n×4 325377060
n×5 406721325

Division

n÷y
n÷2 40672132.5
n÷3 27114755
n÷3 20336066.25
n÷5 16268853

Exponentiation

ny
n2 6616889448390225
n3 5.3824600876556E+23
n4 4.3783225972218E+31
n5 3.561514336039E+39

Nth Root

y√n
2√n 9019.1055543219
3√n 433.28698748258
4√n 94.968971534506
5√n 38.200178113514

Divisors of 81344265

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 -81344264
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 81344265 can be divided by 16 positive divisors. The sum of these divisors (counting 81344265) is 1, the average is 0.0625.

Base conversion 81344265

Base System Value
2 Binary 100110110010011011100001001
3 Ternary 12200001201100120
4 Quaternary 10312103130021
5 Quinary 131311004030
6 Senary 12023253453
8 Octal 466233411
10 Decimal 81344265
12 Duodecimal 232aa289
16 Hexadecimal 4d93709
20 Vigesimal 15880d5
36 Base36 1cfhmx

Cryptographic Hash Functions

md5 e52ab4670374fe2785303a14697951a3
sha1 caa8bff62766fa7ee1b1858ddca7c81e583eae41
sha256 848f29bcdeaf8cb80595904fc39bd7e4fe02b4d3314f6f15f72f5fbfbf13f98e
sha512 eedd5f7a3f44d72df4e47118f27eb57e11fc36b654e4224ad8941f271379376d9ad7c540e2eef3ffef528db1b1948df7535f8dddb8a6bd0aea781f35d51c569f
ripemd-160 1b6245dea762900bfc9203e25b2727f0cb272f6a

81344265 as geometric shapes

Circle

Radius = n
Diameter 162688530
Circumference 511101090.67132
Area 2.0787571280679E+16

Sphere

Radius = n
Volume 2.2545996092825E+24
Surface area 8.3150285122714E+16
Circumference 511101090.67132

Square

Length = n
Perimeter 325377060
Area 6616889448390225
Diagonal 115038162.78427

Cube

Length = n
Surface area 39701336690341350
Volume 5.3824600876556E+23
Space diagonal 140892399.88435

Equilateral Triangle

Length = n
Perimeter 244032795
Area 2.8651971781696E+15
Altitude 70446199.942173

Triangular Pyramid

Length = n
Surface area 2.8651971781696E+15
Volume 6.3432900457453E+22
Height 38346054.261424