81129323 (number)

81129323 is an odd 8-digits composite number following 81129322 and preceding 81129324. In scientific notation, it is written as 8.1129323 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 73753920 positive integers (up to 81129323) that are relatively prime to 81129323.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-nine thousand three hundred twenty-three

Notation

Scientific notation 8.1129323 × 10^7
Engineering notation 8.1129323 × 10^6

Prime Factorization of 81129323

Prime Factorization 11 × 7375393

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81129323
Product of the distinct prime numbers

The prime factorization of 81129323 is 11 × 7375393. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81129323)

Multiplication

n×y
n×2 162258646
n×3 243387969
n×4 324517292
n×5 405646615

Division

n÷y
n÷2 40564661.5
n÷3 27043107.666667
n÷3 20282330.75
n÷5 16225864.6

Exponentiation

ny
n2 6581967050438329
n3 5.3399053081037E+23
n4 4.3322290253056E+31
n5 3.5147080790399E+39

Nth Root

y√n
2√n 9007.181745696
3√n 432.90501537188
4√n 94.906173380324
5√n 38.179968907873

Divisors of 81129323

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 -81129322
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 81129323 can be divided by 4 positive divisors. The sum of these divisors (counting 81129323) is 1, the average is 0.25.

Base conversion 81129323

Base System Value
2 Binary 100110101011110111101101011
3 Ternary 12122122210111202
4 Quaternary 10311132331223
5 Quinary 131232114243
6 Senary 12014514415
8 Octal 465367553
10 Decimal 81129323
12 Duodecimal 23205a0b
16 Hexadecimal 4d5ef6b
20 Vigesimal 1571363
36 Base36 1cavsb

Cryptographic Hash Functions

md5 d11032e8acdce6a13794e0a235bfb39a
sha1 58ba01684dbe00f3d2d6c134264a25489630e644
sha256 a8612c0af59f0c67e69bc9bbba8635c3139070d4d18ce13c1e7380cfcbef6618
sha512 14c02b1debec8c5418d315710fc82a25667f35a2e05b5454e4ea69737abcb1248147ba697b75f8701a9f47cb1437ee8529087b91b5e51f78623a4239001864d6
ripemd-160 aa80fb1bd6423b1181a15e62baf39b224b7530d1

81129323 as geometric shapes

Circle

Radius = n
Diameter 162258646
Circumference 509750570.25503
Area 2.0677859331827E+16

Sphere

Radius = n
Volume 2.2367743049072E+24
Surface area 8.2711437327309E+16
Circumference 509750570.25503

Square

Length = n
Perimeter 324517292
Area 6581967050438329
Diagonal 114734188.89275

Cube

Length = n
Surface area 39491802302629974
Volume 5.3399053081037E+23
Space diagonal 140520109.41967

Equilateral Triangle

Length = n
Perimeter 243387969
Area 2.8500753362759E+15
Altitude 70260054.709833

Triangular Pyramid

Length = n
Surface area 2.8500753362759E+15
Volume 6.2931387570903E+22
Height 38244729.630916