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.
81129322 has 4 divisors, whose sum is 121693986
The reverse of 81129322 is 22392118
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million one hundred twenty-nine thousand three hundred twenty-two
Scientific notation
8.1129322 × 10^7
Engineering notation
8.1129322 × 10^6
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.
5 , 3 , 93 , 94 , 397 , 177 , 3246 , 2805 , 66916 , 61107 , 275144 , 113635 , 9790520 , 2105817 , 92284963 , 3012368 , 649666999 , 467057922 , 557347161 , 3313953081
n×2
162258644
n×3
243387966
n×4
324517288
n×5
405646610
n÷2
40564661
n÷3
27043107.333333
n÷3
20282330.5
n÷5
16225864.4
n2
6581966888179684
n3
5.3399051106447E+23
n4
4.3322288117094E+31
n5
3.5147078624285E+39
2 √n
9007.1816901848
3 √n
432.90501359322
4 √n
94.90617308787
5 √n
38.179968813751
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
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
md5
0c0765bb4efbad140702a30b5262890c
sha1
c2045cd7aa66dfdd584de802ec58760655a0a6cf
sha256
e3600cad5c105fbfc68ab6de3079a0003f926ba7f3aff374887f9a05177f4331
sha512
e67a1d9e4351a6e9015dd0e372796992a2bc8af3b711a9ece2fa5867c051a3c6bbab708cc45038b78a061fe32a5f735d6c2b2cf58be8b1a56d7c633737c9c362
ripemd-160
f7b26226bd86fc04b3d9792e59e4b93e3f0c6417
Diameter
162258644
Circumference
509750563.97184
Area
2.0677858822077E+16
Volume
2.2367742221957E+24
Surface area
8.2711435288306E+16
Circumference
509750563.97184
Perimeter
324517288
Area
6581966888179684
Diagonal
114734187.47853
Surface area
39491801329078104
Volume
5.3399051106447E+23
Space diagonal
140520107.68762
Perimeter
243387966
Area
2.8500752660158E+15
Altitude
70260053.843808
Surface area
2.8500752660158E+15
Volume
6.2931385243826E+22
Height
38244729.159511