81132015 (number)

81132015 is an odd 8-digits composite number following 81132014 and preceding 81132016. In scientific notation, it is written as 8.1132015 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 43270400 positive integers (up to 81132015) that are relatively prime to 81132015.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1132015 × 10^7
Engineering notation 8.1132015 × 10^6

Prime Factorization of 81132015

Prime Factorization 3 × 5 × 5408801

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81132015
Product of the distinct prime numbers

The prime factorization of 81132015 is 3 × 5 × 5408801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81132015)

Multiplication

n×y
n×2 162264030
n×3 243396045
n×4 324528060
n×5 405660075

Division

n÷y
n÷2 40566007.5
n÷3 27044005
n÷3 20283003.75
n÷5 16226403

Exponentiation

ny
n2 6582403857960225
n3 5.3404368854009E+23
n4 4.332804054929E+31
n5 3.5152912357656E+39

Nth Root

y√n
2√n 9007.331180766
3√n 432.90980347795
4√n 94.906960654981
5√n 38.180222278931

Divisors of 81132015

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 -81132014
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 81132015 can be divided by 8 positive divisors. The sum of these divisors (counting 81132015) is 1, the average is 0.125.

Base conversion 81132015

Base System Value
2 Binary 100110101011111100111101111
3 Ternary 12122122221012110
4 Quaternary 10311133213233
5 Quinary 131232211030
6 Senary 12014535103
8 Octal 465374757
10 Decimal 81132015
12 Duodecimal 23207493
16 Hexadecimal 4d5f9ef
20 Vigesimal 1571a0f
36 Base36 1caxv3

Cryptographic Hash Functions

md5 fd4b34b756aae58406dbf3a434e92d28
sha1 a15a794727bbe9db5056bb54c46093e65a933f32
sha256 131867cb6fbbf282b5ee71faa86a609cf3ea3d86b487fb19a927d6cfb9d9719b
sha512 14ad0c4f731ad4e75ff782a77a6adfa75cbd57fe99fb7c94543e0f8cf6e15a537a9965f80926384327e32e1290633e6c34a3d17714a3e34d7f5132862a4a5655
ripemd-160 8ac45c5d7378fb0490a954d3425e68039c211a49

81132015 as geometric shapes

Circle

Radius = n
Diameter 162264030
Circumference 509767484.58987
Area 2.0679231603129E+16

Sphere

Radius = n
Volume 2.2369969714847E+24
Surface area 8.2716926412516E+16
Circumference 509767484.58987

Square

Length = n
Perimeter 324528060
Area 6582403857960225
Diagonal 114737995.95566

Cube

Length = n
Surface area 39494423147761350
Volume 5.3404368854009E+23
Space diagonal 140524772.10044

Equilateral Triangle

Length = n
Perimeter 243396045
Area 2.8502644794811E+15
Altitude 70262386.05022

Triangular Pyramid

Length = n
Surface area 2.8502644794811E+15
Volume 6.2937652269429E+22
Height 38245998.651886