129405989 is an odd 9-digits composite number following 129405988
and preceding 129405990 . In scientific notation, it is written as 1.29405989 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 121793856 positive integers (up to 129405989) that are relatively prime to 129405989.
129405989 has 4 divisors, whose sum is 137018124
The reverse of 129405989 is 989504921
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-nine million four hundred five thousand nine hundred eighty-nine
Scientific notation
1.29405989 × 10^8
Engineering notation
1.29405989 × 10^6
Prime Factorization
17 × 7612117
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129405989
Product of the distinct prime numbers
The prime factorization of 129405989 is 17 × 7612117.
Since it has a total of 2 prime factors.
1 , 2 , 42 , 5 , 573 , 483 , 3959 , 8019 , 92938 , 11626 , 979595 , 13420 , 3072560 , 7729851 , 62341630 , 81439930 , 405930486 , 944131867 , 6138790816 , 9998007140
n×2
258811978
n×3
388217967
n×4
517623956
n×5
647029945
n÷2
64702994.5
n÷3
43135329.666667
n÷3
32351497.25
n÷5
25881197.8
n2
16745909989068121
n3
2.1670210438403E+24
n4
2.8042550136197E+32
n5
3.6288739344567E+40
2 √n
11375.675320613
3 √n
505.80694958739
4 √n
106.65681094338
5 √n
41.917065884957
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129405988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129405989 can be divided by 4 positive divisors.
The sum of these divisors (counting 129405989) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101101001010000100101
3
Ternary
100000111111122102
4
Quaternary
13231221100211
5
Quinary
231111442424
6
Senary
20501341445
8
Octal
755512045
10
Decimal
129405989
12
Duodecimal
37407885
16
Hexadecimal
7b69425
20
Vigesimal
208fej9
36
Base36
251mat
md5
4214a1559b487e9bc1d762bf461eef67
sha1
cca34e9d25eac367e919550640c1f608a719b5e7
sha256
ea74af33a971ba37d524afc499b0ded007e730569e95f71181658604a78f82de
sha512
3c1ae578e6061bbedf28818fbaa1a3f08c1923b561ce8a58378fd36e0d8fb3f1b9e15f90fa05dfa56b05c6b48377177e56c97b9b61979c70fda171bbeaace558
ripemd-160
a74299202615e2613cb7554e3ffbe401b771d962
Diameter
258811978
Circumference
813081808.74584
Area
5.2608827799332E+16
Volume
9.0771965220044E+24
Surface area
2.1043531119733E+17
Circumference
813081808.74584
Perimeter
517623956
Area
16745909989068121
Diagonal
183007704.6961
Surface area
100475459934408726
Volume
2.1670210438403E+24
Space diagonal
224137747.7517
Perimeter
388217967
Area
7.2511917300103E+15
Altitude
112068873.87585
Surface area
7.2511917300103E+15
Volume
2.5538587917891E+23
Height
61002568.232035