129120218 is an even 9-digits composite number following 129120217
and preceding 129120219 . In scientific notation, it is written as 1.29120218 × 10^8.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 63546000 positive integers (up to 129120218) that are relatively prime to 129120218.
129120218 has 16 divisors, whose sum is 196745760
The reverse of 129120218 is 812021921
Previous prime number is 179
Is Prime? no
Number parity even
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-nine million one hundred twenty thousand two hundred eighteen
Scientific notation
1.29120218 × 10^8
Engineering notation
1.29120218 × 10^6
Prime Factorization
2 × 101 × 179 × 3571
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129120218
Product of the distinct prime numbers
The prime factorization of 129120218 is 2 × 101 × 179 × 3571.
Since it has a total of 4 prime factors.
2 , 7 , 47 , 39 , 896 , 360 , 9996 , 5887 , 36587 , 81362 , 710026 , 469298 , 7545610 , 1553386 , 31452073 , 64289598 , 630737542 , 145705176 , 3931029766 , 7124810193
n×2
258240436
n×3
387360654
n×4
516480872
n×5
645601090
n÷2
64560109
n÷3
43040072.666667
n÷3
32280054.5
n÷5
25824043.6
n2
16672030696367524
n3
2.1526962380177E+24
n4
2.7795660754062E+32
n5
3.5889817760185E+40
2 √n
11363.107761524
3 √n
505.43434578808
4 √n
106.59787878529
5 √n
41.898536175293
1 , 2 , 101 , 179 , 202 , 358 , 3571 , 7142 , 18079 , 36158 , 360671 , 639209 , 721342 , 1278418 , 64560109 , 129120218
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129120217
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129120218 can be divided by 16 positive divisors.
The sum of these divisors (counting 129120218) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100011011111011010
3
Ternary
22222221222122022
4
Quaternary
13230203133122
5
Quinary
231023321333
6
Senary
20451254442
8
Octal
754433732
10
Decimal
129120218
12
Duodecimal
372aa422
16
Hexadecimal
7b237da
20
Vigesimal
20700ai
36
Base36
24vhsq
md5
501033339436d85a02bf8babda5b2494
sha1
4673ea8e5b9f51b11dd338c139ff63164eb08128
sha256
6b67ad2e75f87a55eb780f3effeb5cf9c48132bb67bdf7d481c3819a889b8162
sha512
cae9e11861703695516a4880690b131b9e63b10e4a31753972dccd52cc9a6632714bb1a6fbebee92dcac71fd7d7cdc9667a4a0e5025d6a52056a93dcd54dc230
ripemd-160
489f8b301eb35ead53d6f2bf196747f082448fc9
Diameter
258240436
Circumference
811286256.59743
Area
5.2376729156132E+16
Volume
9.0171929156889E+24
Surface area
2.0950691662453E+17
Circumference
811286256.59743
Perimeter
516480872
Area
16672030696367524
Diagonal
182603563.47217
Surface area
100032184178205144
Volume
2.1526962380177E+24
Space diagonal
223642777.86037
Perimeter
387360654
Area
7.2192010578641E+15
Altitude
111821388.93018
Surface area
7.2192010578641E+15
Volume
2.5369768462284E+23
Height
60867854.490724