81232015 (number)

81232015 is an odd 8-digits composite number following 81232014 and preceding 81232016. In scientific notation, it is written as 8.1232015 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 64985608 positive integers (up to 81232015) that are relatively prime to 81232015.

Interesting facts

Basic properties

Name

Name eighty-one million two hundred thirty-two thousand fifteen

Notation

Scientific notation 8.1232015 × 10^7
Engineering notation 8.1232015 × 10^6

Prime Factorization of 81232015

Prime Factorization 5 × 16246403

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81232015
Product of the distinct prime numbers

The prime factorization of 81232015 is 5 × 16246403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81232015)

Multiplication

n×y
n×2 162464030
n×3 243696045
n×4 324928060
n×5 406160075

Division

n÷y
n÷2 40616007.5
n÷3 27077338.333333
n÷3 20308003.75
n÷5 16246403

Exponentiation

ny
n2 6598640260960225
n3 5.3602084465792E+23
n4 4.3542053293565E+31
n5 3.5370087262737E+39

Nth Root

y√n
2√n 9012.8805051437
3√n 433.08759275258
4√n 94.936191756062
5√n 38.189629517846

Divisors of 81232015

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 -81232014
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 81232015 can be divided by 4 positive divisors. The sum of these divisors (counting 81232015) is 1, the average is 0.25.

Base conversion 81232015

Base System Value
2 Binary 100110101111000000010001111
3 Ternary 12122212000101011
4 Quaternary 10311320002033
5 Quinary 131243411030
6 Senary 12021030051
8 Octal 465700217
10 Decimal 81232015
12 Duodecimal 23255327
16 Hexadecimal 4d7808f
20 Vigesimal 157e00f
36 Base36 1cd30v

Cryptographic Hash Functions

md5 fc0e9dce50b744b05442c8531e319dee
sha1 080c2d3e7c711664a50c892e25e62c0a294f4731
sha256 fa6c5fa4b622ed8893a8f689d0a03b2ff35bf971a9d05d2ffc11487a4e270a8c
sha512 f8012aad7cb888e79308603a13258d6c967fb10f3a6b25bf6bb8d7eae97ef755d432216791cd5999b09e8e3f31311d1efa78510d00fa12f7eb826630aad4a0d4
ripemd-160 f2845e25efdfd887cfb82a5b4946809e2bfcf90b

81232015 as geometric shapes

Circle

Radius = n
Diameter 162464030
Circumference 510395803.12059
Area 2.0730239767514E+16

Sphere

Radius = n
Volume 2.2452788636644E+24
Surface area 8.2920959070058E+16
Circumference 510395803.12059

Square

Length = n
Perimeter 324928060
Area 6598640260960225
Diagonal 114879417.31189

Cube

Length = n
Surface area 39591841565761350
Volume 5.3602084465792E+23
Space diagonal 140697977.1812

Equilateral Triangle

Length = n
Perimeter 243696045
Area 2.8572950482132E+15
Altitude 70348988.590599

Triangular Pyramid

Length = n
Surface area 2.8572950482132E+15
Volume 6.3170662352493E+22
Height 38293139.103965