81124563 (number)

81124563 is an odd 8-digits composite number following 81124562 and preceding 81124564. In scientific notation, it is written as 8.1124563 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 49922496 positive integers (up to 81124563) that are relatively prime to 81124563.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1124563 × 10^7
Engineering notation 8.1124563 × 10^6

Prime Factorization of 81124563

Prime Factorization 3 × 13 × 13 × 160009

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6240351
Product of the distinct prime numbers

The prime factorization of 81124563 is 3 × 13 × 13 × 160009. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81124563)

Multiplication

n×y
n×2 162249126
n×3 243373689
n×4 324498252
n×5 405622815

Division

n÷y
n÷2 40562281.5
n÷3 27041521
n÷3 20281140.75
n÷5 16224912.6

Exponentiation

ny
n2 6581194721940969
n3 5.3389654583537E+23
n4 4.3312123968104E+31
n5 3.5136771295142E+39

Nth Root

y√n
2√n 9006.9175082267
3√n 432.89654877354
4√n 94.904781271687
5√n 38.179520880179

Divisors of 81124563

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81124562
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81124563 can be divided by 12 positive divisors. The sum of these divisors (counting 81124563) is 1, the average is 0.083333333333333.

Base conversion 81124563

Base System Value
2 Binary 100110101011101110011010011
3 Ternary 12122122112222110
4 Quaternary 10311131303103
5 Quinary 131231441223
6 Senary 12014440403
8 Octal 465356323
10 Decimal 81124563
12 Duodecimal 23203103
16 Hexadecimal 4d5dcd3
20 Vigesimal 1570b83
36 Base36 1cas43

Cryptographic Hash Functions

md5 cea5bb6ca538a44dfbd7527de7c7972c
sha1 cf7b5d606bf373374c143fb25c362c2395169a98
sha256 b6285d3db7714284aa51677f3ae8f79b397dccc3747c3a1b275e8dfcfcadf4b2
sha512 99c39dcd9e552c92e91774ceeeeb16ac3a39884c940eb2a32ddaf1d7838c039241ac18152c02199736537ccdf600368f10e92f6214b13ddf545ade9f41d1b9f3
ripemd-160 07d0ff1ffd6b9e49931eb3afdd97e39dfa3f1610

81124563 as geometric shapes

Circle

Radius = n
Diameter 162249126
Circumference 509720662.29296
Area 2.0675432990294E+16

Sphere

Radius = n
Volume 2.2363806215645E+24
Surface area 8.2701731961175E+16
Circumference 509720662.29296

Square

Length = n
Perimeter 324498252
Area 6581194721940969
Diagonal 114727457.23619

Cube

Length = n
Surface area 39487168331645814
Volume 5.3389654583537E+23
Space diagonal 140511864.85782

Equilateral Triangle

Length = n
Perimeter 243373689
Area 2.8497409082265E+15
Altitude 70255932.428911

Triangular Pyramid

Length = n
Surface area 2.8497409082265E+15
Volume 6.2920311335377E+22
Height 38242485.745397