129123490 is an even 9-digits composite number following 129123489
and preceding 129123491 . In scientific notation, it is written as 1.29123490 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 51116544 positive integers (up to 129123490) that are relatively prime to 129123490.
129123490 has 16 divisors, whose sum is 234820152
The reverse of 129123490 is 094321921
Previous prime number is 97
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-nine million one hundred twenty-three thousand four hundred ninety
Scientific notation
1.29123490 × 10^8
Engineering notation
1.29123490 × 10^6
Prime Factorization
2 × 5 × 97 × 133117
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129123490
Product of the distinct prime numbers
The prime factorization of 129123490 is 2 × 5 × 97 × 133117.
Since it has a total of 4 prime factors.
7 , 7 , 98 , 62 , 889 , 891 , 5996 , 8334 , 32638 , 60031 , 665500 , 652941 , 37619 , 4378981 , 80798703 , 31302642 , 723939084 , 193279479 , 1461324977 , 661585878
n×2
258246980
n×3
387370470
n×4
516493960
n×5
645617450
n÷2
64561745
n÷3
43041163.333333
n÷3
32280872.5
n÷5
25824698
n2
16672875669780100
n3
2.1528598948181E+24
n4
2.7798478309995E+32
n5
3.5894365360758E+40
2 √n
11363.251735309
3 √n
505.43861510969
4 √n
106.59855409577
5 √n
41.898748521001
1 , 2 , 5 , 10 , 97 , 194 , 485 , 970 , 133117 , 266234 , 665585 , 1331170 , 12912349 , 25824698 , 64561745 , 129123490
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
-129123489
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 129123490 can be divided by 16 positive divisors.
The sum of these divisors (counting 129123490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100100010010100010
3
Ternary
22222222011010111
4
Quaternary
13230210102202
5
Quinary
231023422430
6
Senary
20451321534
8
Octal
754442242
10
Decimal
129123490
12
Duodecimal
372b02aa
16
Hexadecimal
7b244a2
20
Vigesimal
20708ea
36
Base36
24vkbm
md5
88deaf284550fcbe033719e0549f76ba
sha1
30e667e06aed5151484df3457f48854449bf6b73
sha256
f2d870332f0b8d404a0c4ea7d92ee259375fa2d0b48692d56317bd52720ea911
sha512
ff956d42560bca4db422aced4813a9bde8ba4a457dc269c14aed22f67c63bdd8adb158d251665d4b97e54296dffbe6959e40d627d85cce816a545ce7de04add7
ripemd-160
2a6e03d5d699c22d8e5271eaea3112337d0f40a6
Diameter
258246980
Circumference
811306815.17975
Area
5.2379383718397E+16
Volume
9.0178784396915E+24
Surface area
2.0951753487359E+17
Circumference
811306815.17975
Perimeter
516493960
Area
16672875669780100
Diagonal
182608190.77895
Surface area
100037254018680600
Volume
2.1528598948181E+24
Space diagonal
223648445.13061
Perimeter
387370470
Area
7.2195669420845E+15
Altitude
111824222.56531
Surface area
7.2195669420845E+15
Volume
2.5371697176174E+23
Height
60869396.926316