129121369 is an odd 9-digits composite number following 129121368
and preceding 129121370 . In scientific notation, it is written as 1.29121369 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 115078656 positive integers (up to 129121369) that are relatively prime to 129121369.
129121369 has 8 divisors, whose sum is 143849160
The reverse of 129121369 is 963121921
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-nine million one hundred twenty-one thousand three hundred sixty-nine
Scientific notation
1.29121369 × 10^8
Engineering notation
1.29121369 × 10^6
Prime Factorization
29 × 13 × 342497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129121369
Product of the distinct prime numbers
The prime factorization of 129121369 is 29 × 13 × 342497.
Since it has a total of 3 prime factors.
3 , 2 , 77 , 62 , 634 , 950 , 2180 , 7496 , 27458 , 9715 , 698987 , 709354 , 5999225 , 2876985 , 21249717 , 82631682 , 808524262 , 489846574 , 26169676 , 6945240936
n×2
258242738
n×3
387364107
n×4
516485476
n×5
645606845
n÷2
64560684.5
n÷3
43040456.333333
n÷3
32280342.25
n÷5
25824273.8
n2
16672327932434161
n3
2.1527538070528E+24
n4
2.7796651868662E+32
n5
3.5891417428981E+40
2 √n
11363.158407767
3 √n
505.43584762674
4 √n
106.59811634249
5 √n
41.898610873189
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
-129121368
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 129121369 can be divided by 8 positive divisors.
The sum of these divisors (counting 129121369) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100011110001011001
3
Ternary
22222222001012221
4
Quaternary
13230203301121
5
Quinary
231023340434
6
Senary
20451304041
8
Octal
754436131
10
Decimal
129121369
12
Duodecimal
372ab021
16
Hexadecimal
7b23c59
20
Vigesimal
2070389
36
Base36
24viop
md5
f3e9696174e5fa88d3f62309a71178d5
sha1
86ab59d8f0ae729ae4aaf90dc1c7dabd973f1085
sha256
81bcb29fcdbcffa57cebd92985d0dc3ddea8b4c53d9fcf0893c5c78ee659c972
sha512
8838d13e5a1328c8c8db78c54854c5097e7397b7e4c2d39f1cb13fbcfa50b5804428a9c40fd27ffec252db7c2c2dd5410800a044d3959c88aa6762b61936a30d
ripemd-160
76bd640b5c4bd3e014ebbed32008cfbbb3458d27
Diameter
258242738
Circumference
811293488.54371
Area
5.2377662950775E+16
Volume
9.0174340602995E+24
Surface area
2.095106518031E+17
Circumference
811293488.54371
Perimeter
516485476
Area
16672327932434161
Diagonal
182605191.23198
Surface area
100033967594604966
Volume
2.1527538070528E+24
Space diagonal
223644771.45085
Perimeter
387364107
Area
7.2193297648564E+15
Altitude
111822385.72542
Surface area
7.2193297648564E+15
Volume
2.537044691987E+23
Height
60868397.077327