81132020 (number)

81132020 is an even 8-digits composite number following 81132019 and preceding 81132021. In scientific notation, it is written as 8.1132020 × 10^7. The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors. There are 32452800 positive integers (up to 81132020) that are relatively prime to 81132020.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred thirty-two thousand twenty

Notation

Scientific notation 8.1132020 × 10^7
Engineering notation 8.1132020 × 10^6

Prime Factorization of 81132020

Prime Factorization 2 × 2 × 5 × 4056601

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40566010
Product of the distinct prime numbers

The prime factorization of 81132020 is 2 × 2 × 5 × 4056601. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 28, 34, 498, 639, 8005, 9137, 99750, 2729, 332397, 757341, 3709192, 7387659, 47724062, 72982867, 992232180, 573447023, 2478768490, 4510675074

Basic calculations (n = 81132020)

Multiplication

n×y
n×2 162264040
n×3 243396060
n×4 324528080
n×5 405660100

Division

n÷y
n÷2 40566010
n÷3 27044006.666667
n÷3 20283005
n÷5 16226404

Exponentiation

ny
n2 6582404669280400
n3 5.3404378727615E+23
n4 4.3328051230164E+31
n5 3.5152923189667E+39

Nth Root

y√n
2√n 9007.3314583177
3√n 432.90981237107
4√n 94.906962117211
5√n 38.180222749525

Divisors of 81132020

1, 2, 4, 5, 10, 20, 4056601, 8113202, 16226404, 20283005, 40566010, 81132020

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 -81132019
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 81132020 can be divided by 12 positive divisors. The sum of these divisors (counting 81132020) is 1, the average is 0.083333333333333.

Base conversion 81132020

Base System Value
2 Binary 100110101011111100111110100
3 Ternary 12122122221012122
4 Quaternary 10311133213310
5 Quinary 131232211040
6 Senary 12014535112
8 Octal 465374764
10 Decimal 81132020
12 Duodecimal 23207498
16 Hexadecimal 4d5f9f4
20 Vigesimal 1571a10
36 Base36 1caxv8

Cryptographic Hash Functions

md5 173bd245cc79883774ffe2ecd4dedf15
sha1 c9542c374c6245990f025472a30b52c135c76f24
sha256 b7a9485d736abe0e4eb7b35b4498177d8eb5e7bc3a4acfa117db958231eedc5b
sha512 043597c07091a5c1a247ce8bec40869a6ca5dfb50d7e8cf6b9385a5debf04291a21a29a3665d836c4355fa6a06c8bd267fda4f30423b899d454cf597b2ea48e8
ripemd-160 30ca6d0d9f30eec584d5719e92da349a352fc5ed

81132020 as geometric shapes

Circle

Radius = n
Diameter 162264040
Circumference 509767516.0058
Area 2.0679234151966E+16

Sphere

Radius = n
Volume 2.2369973850694E+24
Surface area 8.2716936607866E+16
Circumference 509767516.0058

Square

Length = n
Perimeter 324528080
Area 6582404669280400
Diagonal 114738003.02673

Cube

Length = n
Surface area 39494428015682400
Volume 5.3404378727615E+23
Space diagonal 140524780.76069

Equilateral Triangle

Length = n
Perimeter 243396060
Area 2.8502648307931E+15
Altitude 70262390.380347

Triangular Pyramid

Length = n
Surface area 2.8502648307931E+15
Volume 6.2937663905585E+22
Height 38246001.008908