81125061 (number)

81125061 is an odd 8-digits composite number following 81125060 and preceding 81125062. In scientific notation, it is written as 8.1125061 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 54036912 positive integers (up to 81125061) that are relatively prime to 81125061.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-five thousand sixty-one

Notation

Scientific notation 8.1125061 × 10^7
Engineering notation 8.1125061 × 10^6

Prime Factorization of 81125061

Prime Factorization 3 × 1229 × 22003

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81125061
Product of the distinct prime numbers

The prime factorization of 81125061 is 3 × 1229 × 22003. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81125061)

Multiplication

n×y
n×2 162250122
n×3 243375183
n×4 324500244
n×5 405625305

Division

n÷y
n÷2 40562530.5
n÷3 27041687
n÷3 20281265.25
n÷5 16225012.2

Exponentiation

ny
n2 6581275522253721
n3 5.3390637820064E+23
n4 4.3313187499816E+31
n5 3.513784978027E+39

Nth Root

y√n
2√n 9006.9451536023
3√n 432.89743458022
4√n 94.904926919535
5√n 38.17956775465

Divisors of 81125061

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 -81125060
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 81125061 can be divided by 8 positive divisors. The sum of these divisors (counting 81125061) is 1, the average is 0.125.

Base conversion 81125061

Base System Value
2 Binary 100110101011101111011000101
3 Ternary 12122122120122220
4 Quaternary 10311131323011
5 Quinary 131232000221
6 Senary 12014442553
8 Octal 465357305
10 Decimal 81125061
12 Duodecimal 23203459
16 Hexadecimal 4d5dec5
20 Vigesimal 1570cd1
36 Base36 1cashx

Cryptographic Hash Functions

md5 b39af4c4238842428ca9523d67b159fa
sha1 78ac9682f90f41bd9caadeb05703042605e77fe1
sha256 bf34390822b79e23842ee9c9eb951cee440b5cc0618508e74b0a058d0abe1dbf
sha512 b85c9b50d1d8a90def8eccc64a000030a6154bf94a3e77084c840bf2fd103f32ed32a1c3d11532f1068459088e1b898832a60d153c77166a56963216f92016fc
ripemd-160 a1df41b30f9b811be8a558b8b89673e6f91b682f

81125061 as geometric shapes

Circle

Radius = n
Diameter 162250122
Circumference 509723791.31925
Area 2.0675686831963E+16

Sphere

Radius = n
Volume 2.2364218072798E+24
Surface area 8.270274732785E+16
Circumference 509723791.31925

Square

Length = n
Perimeter 324500244
Area 6581275522253721
Diagonal 114728161.51454

Cube

Length = n
Surface area 39487653133522326
Volume 5.3390637820064E+23
Space diagonal 140512727.41912

Equilateral Triangle

Length = n
Perimeter 243375183
Area 2.8497758957882E+15
Altitude 70256363.709562

Triangular Pyramid

Length = n
Surface area 2.8497758957882E+15
Volume 6.2921470090737E+22
Height 38242720.504848