129121626 is an even 9-digits composite number following 129121625
and preceding 129121627 . In scientific notation, it is written as 1.29121626 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 43040540 positive integers (up to 129121626) that are relatively prime to 129121626.
129121626 has 8 divisors, whose sum is 258243264
The reverse of 129121626 is 626121921
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-nine million one hundred twenty-one thousand six hundred twenty-six
Scientific notation
1.29121626 × 10^8
Engineering notation
1.29121626 × 10^6
Prime Factorization
2 × 3 × 21520271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129121626
Product of the distinct prime numbers
The prime factorization of 129121626 is 2 × 3 × 21520271.
Since it has a total of 3 prime factors.
2 , 5 , 56 , 36 , 17 , 798 , 3851 , 3664 , 61125 , 52116 , 448334 , 119398 , 2926562 , 5146682 , 62951578 , 84266220 , 705841489 , 508628982 , 736246340 , 3583580882
n×2
258243252
n×3
387364878
n×4
516486504
n×5
645608130
n÷2
64560813
n÷3
43040542
n÷3
32280406.5
n÷5
25824325.2
n2
16672394300883876
n3
2.1527666614433E+24
n4
2.7796873172415E+32
n5
3.5891774617379E+40
2 √n
11363.169716237
3 √n
505.43618296221
4 √n
106.59816938502
5 √n
41.898627551969
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129121625
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129121626 can be divided by 8 positive divisors.
The sum of these divisors (counting 129121626) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100011110101011010
3
Ternary
22222222001120110
4
Quaternary
13230203311122
5
Quinary
231023343001
6
Senary
20451305150
8
Octal
754436532
10
Decimal
129121626
12
Duodecimal
372ab1b6
16
Hexadecimal
7b23d5a
20
Vigesimal
2070416
36
Base36
24vivu
md5
3baec4fe3ebe3ce2b4e1bcbbb376250a
sha1
07ad9f759189843b1235596650b5c3a09357d428
sha256
7d356b4dc87be58dc23c5f1f5141fa84609e23c90cb5754aabd6b54de1cf5292
sha512
c80273784316841d377c749ce96d14798407393c8028710d797aaa9004efcf1042ed9c384688039d2d4d07d4201663bafc7612c96ce4bb2678077ad232d18a9b
ripemd-160
bc44761a28cc620f905cc4563e8b15036d85c4ed
Diameter
258243252
Circumference
811295103.32234
Area
5.2377871453409E+16
Volume
9.0174879046442E+24
Surface area
2.0951148581364E+17
Circumference
811295103.32234
Perimeter
516486504
Area
16672394300883876
Diagonal
182605554.68487
Surface area
100034365805303256
Volume
2.1527666614433E+24
Space diagonal
223645216.58791
Perimeter
387364878
Area
7.2193585032382E+15
Altitude
111822608.29395
Surface area
7.2193585032382E+15
Volume
2.5370598410314E+23
Height
60868518.228289