81127715 (number)

81127715 is an odd 8-digits composite number following 81127714 and preceding 81127716. In scientific notation, it is written as 8.1127715 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 64902168 positive integers (up to 81127715) that are relatively prime to 81127715.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-seven thousand seven hundred fifteen

Notation

Scientific notation 8.1127715 × 10^7
Engineering notation 8.1127715 × 10^6

Prime Factorization of 81127715

Prime Factorization 5 × 16225543

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81127715
Product of the distinct prime numbers

The prime factorization of 81127715 is 5 × 16225543. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81127715)

Multiplication

n×y
n×2 162255430
n×3 243383145
n×4 324510860
n×5 405638575

Division

n÷y
n÷2 40563857.5
n÷3 27042571.666667
n÷3 20281928.75
n÷5 16225543

Exponentiation

ny
n2 6581706141121225
n3 5.3395878003063E+23
n4 4.3318855728073E+31
n5 3.5143597816332E+39

Nth Root

y√n
2√n 9007.092483149
3√n 432.90215526394
4√n 94.905703111821
5√n 38.179817559693

Divisors of 81127715

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 -81127714
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 81127715 can be divided by 4 positive divisors. The sum of these divisors (counting 81127715) is 1, the average is 0.25.

Base conversion 81127715

Base System Value
2 Binary 100110101011110100100100011
3 Ternary 12122122201022012
4 Quaternary 10311132210203
5 Quinary 131232041330
6 Senary 12014503135
8 Octal 465364443
10 Decimal 81127715
12 Duodecimal 23204aab
16 Hexadecimal 4d5e923
20 Vigesimal 1570j5f
36 Base36 1caujn

Cryptographic Hash Functions

md5 56dc5e678e8149699944c491f508bd79
sha1 93a98104b55ecaa4b28cc4f93d18f11214e321f5
sha256 1b00e232bd05e82a6d7296658a34f6e16bc2ce951f29dd41f967f491f58154b2
sha512 465309f9d443ff6aa6c378cbb097df0e38dff7d06879bd7733d3febba9dbb2371551a18fe71a8eb8f3565f4e4db93d1b464cb5606b958ad3d67a595b3736d2a6
ripemd-160 01b6b58ba761915b8d6ba48ad13bbaf0822db7d5

81127715 as geometric shapes

Circle

Radius = n
Diameter 162255430
Circumference 509740466.89305
Area 2.0677039661033E+16

Sphere

Radius = n
Volume 2.236641307552E+24
Surface area 8.2708158644133E+16
Circumference 509740466.89305

Square

Length = n
Perimeter 324510860
Area 6581706141121225
Diagonal 114731914.83734

Cube

Length = n
Surface area 39490236846727350
Volume 5.3395878003063E+23
Space diagonal 140517324.28197

Equilateral Triangle

Length = n
Perimeter 243383145
Area 2.8499623592275E+15
Altitude 70258662.140984

Triangular Pyramid

Length = n
Surface area 2.8499623592275E+15
Volume 6.2927645705626E+22
Height 38243971.612446