81129322 (number)

81129322 is an even 8-digits composite number following 81129321 and preceding 81129323. In scientific notation, it is written as 8.1129322 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 40564660 positive integers (up to 81129322) that are relatively prime to 81129322.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1129322 × 10^7
Engineering notation 8.1129322 × 10^6

Prime Factorization of 81129322

Prime Factorization 2 × 40564661

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 81129322
Product of the distinct prime numbers

The prime factorization of 81129322 is 2 × 40564661. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81129322)

Multiplication

n×y
n×2 162258644
n×3 243387966
n×4 324517288
n×5 405646610

Division

n÷y
n÷2 40564661
n÷3 27043107.333333
n÷3 20282330.5
n÷5 16225864.4

Exponentiation

ny
n2 6581966888179684
n3 5.3399051106447E+23
n4 4.3322288117094E+31
n5 3.5147078624285E+39

Nth Root

y√n
2√n 9007.1816901848
3√n 432.90501359322
4√n 94.90617308787
5√n 38.179968813751

Divisors of 81129322

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 -81129321
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 81129322 can be divided by 4 positive divisors. The sum of these divisors (counting 81129322) is 1, the average is 0.25.

Base conversion 81129322

Base System Value
2 Binary 100110101011110111101101010
3 Ternary 12122122210111201
4 Quaternary 10311132331222
5 Quinary 131232114242
6 Senary 12014514414
8 Octal 465367552
10 Decimal 81129322
12 Duodecimal 23205a0a
16 Hexadecimal 4d5ef6a
20 Vigesimal 1571362
36 Base36 1cavsa

Cryptographic Hash Functions

md5 0c0765bb4efbad140702a30b5262890c
sha1 c2045cd7aa66dfdd584de802ec58760655a0a6cf
sha256 e3600cad5c105fbfc68ab6de3079a0003f926ba7f3aff374887f9a05177f4331
sha512 e67a1d9e4351a6e9015dd0e372796992a2bc8af3b711a9ece2fa5867c051a3c6bbab708cc45038b78a061fe32a5f735d6c2b2cf58be8b1a56d7c633737c9c362
ripemd-160 f7b26226bd86fc04b3d9792e59e4b93e3f0c6417

81129322 as geometric shapes

Circle

Radius = n
Diameter 162258644
Circumference 509750563.97184
Area 2.0677858822077E+16

Sphere

Radius = n
Volume 2.2367742221957E+24
Surface area 8.2711435288306E+16
Circumference 509750563.97184

Square

Length = n
Perimeter 324517288
Area 6581966888179684
Diagonal 114734187.47853

Cube

Length = n
Surface area 39491801329078104
Volume 5.3399051106447E+23
Space diagonal 140520107.68762

Equilateral Triangle

Length = n
Perimeter 243387966
Area 2.8500752660158E+15
Altitude 70260053.843808

Triangular Pyramid

Length = n
Surface area 2.8500752660158E+15
Volume 6.2931385243826E+22
Height 38244729.159511