129121426 is an even 9-digits composite number following 129121425
and preceding 129121427 . In scientific notation, it is written as 1.29121426 × 10^8.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 51855360 positive integers (up to 129121426) that are relatively prime to 129121426.
129121426 has 32 divisors, whose sum is 235395072
The reverse of 129121426 is 624121921
Previous prime number is 257
Is Prime? no Number parity even Number length 9 Sum of Digits 28 Digital Root 1
Name
one hundred twenty-nine million one hundred twenty-one thousand four hundred twenty-six
Scientific notation
1.29121426 × 10^8
Engineering notation
1.29121426 × 10^6
Prime Factorization
2 × 7 × 17 × 257 × 2111
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
129121426 Product of the distinct prime numbers
The prime factorization of 129121426 is 2 × 7 × 17 × 257 × 2111.
Since it has a total of 5 prime factors.
8 , 7 , 4 , 23 , 815 , 67 , 2008 , 3567 , 22623 , 3476 , 889868 , 839706 , 1251928 , 7028834 , 63888639 , 45569476 , 669769667 , 633239811 , 946985064 , 6203552813
n×2
258242852
n×3
387364278
n×4
516485704
n×5
645607130
n÷2
64560713
n÷3
43040475.333333
n÷3
32280356.5
n÷5
25824285.2
n2
16672342652273476
n3
2.1527566580222E+24
n4
2.7796700951482E+32
n5
3.5891496649509E+40
2 √n11363.160915872
3 √n505.43592200079
4 √n106.59812810679
5 √n41.898614572376
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 257 , 514 , 1799 , 2111 , 3598 , 4222 , 4369 , 8738 , 14777 , 29554 , 30583 , 35887 , 61166 , 71774 , 251209 , 502418 , 542527 , 1085054 , 3797689 , 7595378 , 9222959 , 18445918 , 64560713 , 129121426
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-129121425 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129121426 can be divided by 32 positive divisors.
The sum of these divisors (counting 129121426) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101100100011110010010010
3
Ternary
22222222001022001
4
Quaternary
13230203302102
5
Quinary
231023341201
6
Senary
20451304214
8
Octal
754436222
10
Decimal
129121426
12
Duodecimal
372ab06a
16
Hexadecimal
7b23c92
20
Vigesimal
20703b6
36
Base36
24viqa
md5
76484befbfeb5521ddb495fec381d98e
sha1
25b0229999494dccbffa58035876af348f7c2fe3
sha256
0185278f54f8dd58eab2e6681e0d60f0088a1d5a5fdd0744d6c0f35b50eca67f
sha512
0c020df0806f8788a91c232ec37f39f47a4bd5dc6a032adf809557edc4e707e1741e6fbf21582bb60d4715af61d6103724c779798fdc2bb3b60c6592e09ac6de
ripemd-160
dfdb8e1168f05d97477a5d3fa1a39c8ba2311584
Diameter
258242852
Circumference
811293846.68528
Area
5.2377709194514E+16
Volume
9.017446002412E+24
Surface area
2.0951083677806E+17
Circumference
811293846.68528
Perimeter
516485704
Area
16672342652273476
Diagonal
182605271.84215
Surface area
100034055913640856
Volume
2.1527566580222E+24
Space diagonal
223644870.17775
Perimeter
387364278
Area
7.2193361387338E+15
Altitude
111822435.08887
Surface area
7.2193361387338E+15
Volume
2.5370480518866E+23
Height
60868423.947385