129121156 is an even 9-digits composite number following 129121155
and preceding 129121157 . In scientific notation, it is written as 1.29121156 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 64424840 positive integers (up to 129121156) that are relatively prime to 129121156.
129121156 has 12 divisors, whose sum is 226437120
The reverse of 129121156 is 651121921
Previous prime number is 479
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 one hundred fifty-six
Scientific notation
1.29121156 × 10^8
Engineering notation
1.29121156 × 10^6
Prime Factorization
2 × 2 × 479 × 67391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64560578
Product of the distinct prime numbers
The prime factorization of 129121156 is 2 × 2 × 479 × 67391.
Since it has a total of 4 prime factors.
5 , 1 , 14 , 9 , 535 , 209 , 6591 , 2596 , 42086 , 14395 , 668584 , 835986 , 2630576 , 6831616 , 69776090 , 45606645 , 337575246 , 597914975 , 9807008169 , 1247149610
n×2
258242312
n×3
387363468
n×4
516484624
n×5
645605780
n÷2
64560578
n÷3
43040385.333333
n÷3
32280289
n÷5
25824231.2
n2
16672272926776336
n3
2.1527431534529E+24
n4
2.7796468454492E+32
n5
3.5891121395615E+40
2 √n
11363.149035369
3 √n
505.43556970245
4 √n
106.59807238111
5 √n
41.8985970499
1 , 2 , 4 , 479 , 958 , 1916 , 67391 , 134782 , 269564 , 32280289 , 64560578 , 129121156
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129121155
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129121156 can be divided by 12 positive divisors.
The sum of these divisors (counting 129121156) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100100011101110000100
3
Ternary
22222222000221001
4
Quaternary
13230203232010
5
Quinary
231023334111
6
Senary
20451303044
8
Octal
754435604
10
Decimal
129121156
12
Duodecimal
372aaa84
16
Hexadecimal
7b23b84
20
Vigesimal
20702hg
36
Base36
24viis
md5
50d79f7777b1647313a9e34d9748f397
sha1
30d7b2d070833c5608a10c621c9171e1db5ee62a
sha256
b14e7714bec615da771d4e2157a03d87a08589f9e4075f4f2833c02aca3d8ac1
sha512
b233255180817f15f7e70e3a850b1d5adb1fc7b03bc95fe81974732ca8b56654c7bff2b11821d26dd0a9b37e47efcc4f06564a4bc3025fe074d2d45f3d348d34
ripemd-160
719f00136bd4a4e2930b29a31027aa5fd8482d55
Diameter
258242312
Circumference
811292150.22524
Area
5.2377490145405E+16
Volume
9.0173894346043E+24
Surface area
2.0950996058162E+17
Circumference
811292150.22524
Perimeter
516484624
Area
16672272926776336
Diagonal
182604890.00449
Surface area
100033637560658016
Volume
2.1527431534529E+24
Space diagonal
223644402.52403
Perimeter
387363468
Area
7.2193059467079E+15
Altitude
111822201.26201
Surface area
7.2193059467079E+15
Volume
2.5370321365991E+23
Height
60868296.668164