81124534 (number)

81124534 is an even 8-digits composite number following 81124533 and preceding 81124535. In scientific notation, it is written as 8.1124534 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 40562266 positive integers (up to 81124534) that are relatively prime to 81124534.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-four thousand five hundred thirty-four

Notation

Scientific notation 8.1124534 × 10^7
Engineering notation 8.1124534 × 10^6

Prime Factorization of 81124534

Prime Factorization 2 × 40562267

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81124534
Product of the distinct prime numbers

The prime factorization of 81124534 is 2 × 40562267. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81124534)

Multiplication

n×y
n×2 162249068
n×3 243373602
n×4 324498136
n×5 405622670

Division

n÷y
n÷2 40562267
n÷3 27041511.333333
n÷3 20281133.5
n÷5 16224906.8

Exponentiation

ny
n2 6581190016717156
n3 5.3389597327163E+23
n4 4.3312062036138E+31
n5 3.5136708492608E+39

Nth Root

y√n
2√n 9006.9158983528
3√n 432.89649719031
4√n 94.904772790165
5√n 38.179518150534

Divisors of 81124534

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 -81124533
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 81124534 can be divided by 4 positive divisors. The sum of these divisors (counting 81124534) is 1, the average is 0.25.

Base conversion 81124534

Base System Value
2 Binary 100110101011101110010110110
3 Ternary 12122122112221101
4 Quaternary 10311131302312
5 Quinary 131231441114
6 Senary 12014440314
8 Octal 465356266
10 Decimal 81124534
12 Duodecimal 2320309a
16 Hexadecimal 4d5dcb6
20 Vigesimal 1570b6e
36 Base36 1cas3a

Cryptographic Hash Functions

md5 ffdd9d872237e132e312b9dcbc95a8b4
sha1 095ef094eae009f96139458b77aca277c8a0d5cf
sha256 ded297ec47593c3132330ff60bc23314367476656fa1d8769172d8c53e8094df
sha512 712153e724abdeb5bb4f702d24ee0ec3e156ba31efde84565806d65a206b39e7546bf3c4f152177d5292805ef83839a0761e230097a89f3584e935bfee9258bc
ripemd-160 6b674871e5d7ceae7298af9dfa64d137cf2cabaf

81124534 as geometric shapes

Circle

Radius = n
Diameter 162249068
Circumference 509720480.08059
Area 2.0675418208397E+16

Sphere

Radius = n
Volume 2.2363782232151E+24
Surface area 8.2701672833588E+16
Circumference 509720480.08059

Square

Length = n
Perimeter 324498136
Area 6581190016717156
Diagonal 114727416.224

Cube

Length = n
Surface area 39487140100302936
Volume 5.3389597327163E+23
Space diagonal 140511814.62835

Equilateral Triangle

Length = n
Perimeter 243373602
Area 2.8497388708048E+15
Altitude 70255907.314174

Triangular Pyramid

Length = n
Surface area 2.8497388708048E+15
Volume 6.2920243858094E+22
Height 38242472.074666