129126931 is an odd 9-digits composite number following 129126930
and preceding 129126932 . In scientific notation, it is written as 1.29126931 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 129059512 positive integers (up to 129126931) that are relatively prime to 129126931.
129126931 has 4 divisors, whose sum is 129194352
The reverse of 129126931 is 139621921
Previous prime number is 1973
Is Prime? no Number parity odd Number length 9 Sum of Digits 34 Digital Root 7
Name
one hundred twenty-nine million one hundred twenty-six thousand nine hundred thirty-one
Scientific notation
1.29126931 × 10^8
Engineering notation
1.29126931 × 10^6
Prime Factorization
1973 × 65447
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
129126931 Product of the distinct prime numbers
The prime factorization of 129126931 is 1973 × 65447.
Since it has a total of 2 prime factors.
5 , 7 , 86 , 53 , 24 , 509 , 5632 , 6600 , 72296 , 30223 , 866773 , 112759 , 1405494 , 862492 , 66393637 , 94017979 , 820056698 , 88591080 , 4803297198 , 8989528940
n×2
258253862
n×3
387380793
n×4
516507724
n×5
645634655
n÷2
64563465.5
n÷3
43042310.333333
n÷3
32281732.75
n÷5
25825386.2
n2
16673764309478761
n3
2.1530320135003E+24
n4
2.7801441624805E+32
n5
3.5899148343867E+40
2 √n11363.403143425
3 √n505.44310486552
4 √n106.59926427244
5 √n41.898971829799
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
-129126930 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 129126931 can be divided by 4 positive divisors.
The sum of these divisors (counting 129126931) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101100100101001000010011
3
Ternary
22222222022211221
4
Quaternary
13230211020103
5
Quinary
231024030211
6
Senary
20451345511
8
Octal
754451023
10
Decimal
129126931
12
Duodecimal
372b2297
16
Hexadecimal
7b25213
20
Vigesimal
2070h6b
36
Base36
24vmz7
md5
6cf3e47efc1e144b1d357bb02610d373
sha1
15f399004b4d6e790e8983b17fbb93e886a078e3
sha256
6cc95ab1a06d792c744aadf14caa0dbbe278307cc8b48a14e159f0209df6c362
sha512
9c3af245660a9699423139fa3ac7a2b2bc4b135bf296897ca8aa9930350e9e6a5179ee70f68ca767cebcc5a839ec7c8617676003a1fb7ae91d63c1910983faf0
ripemd-160
fb31c97b949d7484cfa0f6f0c569e6c6af6c4f6b
Diameter
258253862
Circumference
811328435.62039
Area
5.2382175462346E+16
Volume
9.0185994087417E+24
Surface area
2.0952870184938E+17
Circumference
811328435.62039
Perimeter
516507724
Area
16673764309478761
Diagonal
182613057.08781
Surface area
100042585856872566
Volume
2.1530320135003E+24
Space diagonal
223654405.11744
Perimeter
387380793
Area
7.2199517343615E+15
Altitude
111827202.55872
Surface area
7.2199517343615E+15
Volume
2.5373725614297E+23
Height
60871019.029272