129121551 is an odd 9-digits composite number following 129121550
and preceding 129121552 . In scientific notation, it is written as 1.29121551 × 10^8.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 79459344 positive integers (up to 129121551) that are relatively prime to 129121551.
129121551 has 8 divisors, whose sum is 154504560
The reverse of 129121551 is 155121921
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-nine million one hundred twenty-one thousand five hundred fifty-one
Scientific notation
1.29121551 × 10^8
Engineering notation
1.29121551 × 10^6
Prime Factorization
9 × 13 × 1103603
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129121551
Product of the distinct prime numbers
The prime factorization of 129121551 is 9 × 13 × 1103603.
Since it has a total of 3 prime factors.
5 , 9 , 83 , 49 , 643 , 182 , 4844 , 78 , 22710 , 73855 , 353744 , 593920 , 4032278 , 8477335 , 82060885 , 40872420 , 884692943 , 937662805 , 3565706318 , 8653783061
n×2
258243102
n×3
387364653
n×4
516486204
n×5
645607755
n÷2
64560775.5
n÷3
43040517
n÷3
32280387.75
n÷5
25824310.2
n2
16672374932645601
n3
2.1527629101567E+24
n4
2.7796808589471E+32
n5
3.5891670379226E+40
2 √n
11363.166416101
3 √n
505.43608510171
4 √n
106.59815390569
5 √n
41.898622684623
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
-129121550
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 129121551 can be divided by 8 positive divisors.
The sum of these divisors (counting 129121551) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100011110100001111
3
Ternary
22222222001110200
4
Quaternary
13230203310033
5
Quinary
231023342201
6
Senary
20451304543
8
Octal
754436417
10
Decimal
129121551
12
Duodecimal
372ab153
16
Hexadecimal
7b23d0f
20
Vigesimal
20703hb
36
Base36
24vitr
md5
870af47386d0cf663f1f7cd00d988d69
sha1
37db5e11c3e8bdd312c0268fa90f48513756c496
sha256
d5a1a4a4a599cf5cceaef36f051d3af0a71760c7c677d63a3d8cf48ee6af2de2
sha512
43b7ac0f3cb3e8d996fcc694602fd1661b62f9d433d4b51d1409be2196dacd62c6ea5d58a5bf968c4352d779a089446c4e2c9d3c7cb77cf9edb456f2167addff
ripemd-160
70906dff656975f67ee52a407496cfb34dfcfb35
Diameter
258243102
Circumference
811294632.08344
Area
5.2377810606294E+16
Volume
9.0174721912919E+24
Surface area
2.0951124242518E+17
Circumference
811294632.08344
Perimeter
516486204
Area
16672374932645601
Diagonal
182605448.61885
Surface area
100034249595873606
Volume
2.1527629101567E+24
Space diagonal
223645086.6841
Perimeter
387364653
Area
7.219350116545E+15
Altitude
111822543.34205
Surface area
7.219350116545E+15
Volume
2.5370554200978E+23
Height
60868482.87295