81124516 (number)

81124516 is an even 8-digits composite number following 81124515 and preceding 81124517. In scientific notation, it is written as 8.1124516 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 36768480 positive integers (up to 81124516) that are relatively prime to 81124516.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1124516 × 10^7
Engineering notation 8.1124516 × 10^6

Prime Factorization of 81124516

Prime Factorization 2 × 2 × 11 × 373 × 4943

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40562258
Product of the distinct prime numbers

The prime factorization of 81124516 is 2 × 2 × 11 × 373 × 4943. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81124516)

Multiplication

n×y
n×2 162249032
n×3 243373548
n×4 324498064
n×5 405622580

Division

n÷y
n÷2 40562258
n÷3 27041505.333333
n÷3 20281129
n÷5 16224903.2

Exponentiation

ny
n2 6581187096234256
n3 5.3389561788745E+23
n4 4.331202359564E+31
n5 3.5136669511769E+39

Nth Root

y√n
2√n 9006.9148991206
3√n 432.89646517312
4√n 94.904767525771
5√n 38.179516456272

Divisors of 81124516

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81124515
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81124516 can be divided by 24 positive divisors. The sum of these divisors (counting 81124516) is 1, the average is 0.041666666666667.

Base conversion 81124516

Base System Value
2 Binary 100110101011101110010100100
3 Ternary 12122122112220201
4 Quaternary 10311131302210
5 Quinary 131231441031
6 Senary 12014440244
8 Octal 465356244
10 Decimal 81124516
12 Duodecimal 23203084
16 Hexadecimal 4d5dca4
20 Vigesimal 1570b5g
36 Base36 1cas2s

Cryptographic Hash Functions

md5 154b79c4b241f0e3b5a1b54b4da4abf5
sha1 3dce7aa0162e9a961d8c008fe26a5cb547285fb6
sha256 f72597f4e46653c7153edab339fefdac4f2be0c264ce9ae2effe994dfdfcecd0
sha512 d0fcba5e3311fb1f752aa65106e578fcb1a58488454d592e9435b02a4f1afb33bec3cddbd39a1764a6075c4010808c6824b9f15e2f958269239c6f1900dbfaf1
ripemd-160 238bbfe8f3615ec14a2c530c798b94c382c78b68

81124516 as geometric shapes

Circle

Radius = n
Diameter 162249032
Circumference 509720366.98326
Area 2.0675409033429E+16

Sphere

Radius = n
Volume 2.2363767345853E+24
Surface area 8.2701636133718E+16
Circumference 509720366.98326

Square

Length = n
Perimeter 324498064
Area 6581187096234256
Diagonal 114727390.76815

Cube

Length = n
Surface area 39487122577405536
Volume 5.3389561788745E+23
Space diagonal 140511783.45143

Equilateral Triangle

Length = n
Perimeter 243373548
Area 2.8497376061986E+15
Altitude 70255891.725717

Triangular Pyramid

Length = n
Surface area 2.8497376061986E+15
Volume 6.2920201975666E+22
Height 38242463.589384