129289912 is an even 9-digits composite number following 129289911
and preceding 129289913 . In scientific notation, it is written as 1.29289912 × 10^8.
The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors.
There are 64606080 positive integers (up to 129289912) that are relatively prime to 129289912.
129289912 has 16 divisors, whose sum is 242564400
The reverse of 129289912 is 219982921
Previous prime number is 2129
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-nine million two hundred eighty-nine thousand nine hundred twelve
Scientific notation
1.29289912 × 10^8
Engineering notation
1.29289912 × 10^6
Prime Factorization
2 × 2 × 2 × 2129 × 7591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32322478
Product of the distinct prime numbers
The prime factorization of 129289912 is 2 × 2 × 2 × 2129 × 7591.
Since it has a total of 5 prime factors.
5 , 5 , 26 , 34 , 936 , 698 , 4604 , 5562 , 94757 , 28294 , 68302 , 762631 , 4197574 , 3015694 , 11014602 , 58305495 , 885493358 , 952705505 , 2903287858 , 8383244827
n×2
258579824
n×3
387869736
n×4
517159648
n×5
646449560
n÷2
64644956
n÷3
43096637.333333
n÷3
32322478
n÷5
25857982.4
n2
16715881344967744
n3
2.1611948280933E+24
n4
2.7942068913904E+32
n5
3.6126276309766E+40
2 √n
11370.572193166
3 √n
505.65566829167
4 √n
106.63288513946
5 √n
41.909543274896
1 , 2 , 4 , 8 , 2129 , 4258 , 7591 , 8516 , 15182 , 17032 , 30364 , 60728 , 16161239 , 32322478 , 64644956 , 129289912
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
-129289911
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 129289912 can be divided by 16 positive divisors.
The sum of these divisors (counting 129289912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101001100111010111000
3
Ternary
100000021121102021
4
Quaternary
13231030322320
5
Quinary
231044234122
6
Senary
20455044224
8
Octal
755147270
10
Decimal
129289912
12
Duodecimal
37370674
16
Hexadecimal
7b4ceb8
20
Vigesimal
20814fc
36
Base36
24z4qg
md5
cd9c91784718f26c52d80e80a6d7e07f
sha1
f9a3502531f353f61d9632e4f9afb3c6dc7450a7
sha256
06364f031a0da08634881954ce409557fa6fc17c167f168b9b3bd8eafbabe8cb
sha512
79c7f016e21dc0e0bfcc1e4a7e79a564a87719ef572ec0ebec4150851a8ee427e1e3ddaaaeb55ddd933f75f9fd056419c60ecea96f6b657447b7ff16fe2b0990
ripemd-160
cf2a5d6583fbf7cf7e811a9ace1fdab73d768d74
Diameter
258579824
Circumference
812352475.44494
Area
5.2514490031629E+16
Volume
9.0527917265523E+24
Surface area
2.1005796012652E+17
Circumference
812352475.44494
Perimeter
517159648
Area
16715881344967744
Diagonal
182843547.02842
Surface area
100295288069806464
Volume
2.1611948280933E+24
Space diagonal
223936696.49011
Perimeter
387869736
Area
7.2381889456942E+15
Altitude
111968348.24505
Surface area
7.2381889456942E+15
Volume
2.5469925306835E+23
Height
60947849.009475