129609991 is an odd 9-digits composite number following 129609990
and preceding 129609992 . In scientific notation, it is written as 1.29609991 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 106263960 positive integers (up to 129609991) that are relatively prime to 129609991.
129609991 has 8 divisors, whose sum is 154566144
The reverse of 129609991 is 199906921
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred twenty-nine million six hundred nine thousand nine hundred ninety-one
Scientific notation
1.29609991 × 10^8
Engineering notation
1.29609991 × 10^6
Prime Factorization
7 × 23 × 805031
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129609991
Product of the distinct prime numbers
The prime factorization of 129609991 is 7 × 23 × 805031.
Since it has a total of 3 prime factors.
9 , 8 , 74 , 45 , 587 , 716 , 1376 , 7087 , 18719 , 69252 , 355820 , 604186 , 7750491 , 4535345 , 24699564 , 80545902 , 516031567 , 448126333 , 7237499704 , 9630628388
n×2
259219982
n×3
388829973
n×4
518439964
n×5
648049955
n÷2
64804995.5
n÷3
43203330.333333
n÷3
32402497.75
n÷5
25921998.2
n2
16798749767020081
n3
2.1772858061147E+24
n4
2.8219799373496E+32
n5
3.6575679428206E+40
2 √n
11384.638378095
3 √n
506.07260306874
4 √n
106.69882088428
5 √n
41.930273586152
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
-129609990
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 129609991 can be divided by 8 positive divisors.
The sum of these divisors (counting 129609991) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110011011000100000111
3
Ternary
100000212212111001
4
Quaternary
13232123010013
5
Quinary
231140004431
6
Senary
20505554131
8
Octal
756330407
10
Decimal
129609991
12
Duodecimal
374a5947
16
Hexadecimal
7b9b107
20
Vigesimal
20a14jb
36
Base36
255zpj
md5
7be27ca2ca52c0b611ef52a834d381fc
sha1
e428af1cca578a128665a9eea80cc2e683fc9dab
sha256
6a47c9a6bb29c1af016fe932de8dfcc2b00960f66308883a3f68ff2088ffdc65
sha512
67d7198ea81967d7082ddbe36aff6a193f9aee771ca2caee82b77ed206bfaadfe8eb2b5d47007d535b875bf137bac938b57cbad64e324ea8437ec78a740068d4
ripemd-160
4a9d53191b397b3120683f88c390a19994187d7a
Diameter
259219982
Circumference
814363591.11488
Area
5.2774828857564E+16
Volume
9.1201934576738E+24
Surface area
2.1109931543025E+17
Circumference
814363591.11488
Perimeter
518439964
Area
16798749767020081
Diagonal
183296207.09125
Surface area
100792498602120486
Volume
2.1772858061147E+24
Space diagonal
224491089.58054
Perimeter
388829973
Area
7.2740720250287E+15
Altitude
112245544.79027
Surface area
7.2740720250287E+15
Volume
2.5659559301416E+23
Height
61098735.697085