129120968 is an even 9-digits composite number following 129120967
and preceding 129120969 . In scientific notation, it is written as 1.29120968 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 63894528 positive integers (up to 129120968) that are relatively prime to 129120968.
129120968 has 16 divisors, whose sum is 244599180
The reverse of 129120968 is 869021921
Previous prime number is 97
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million one hundred twenty thousand nine hundred sixty-eight
Scientific notation
1.29120968 × 10^8
Engineering notation
1.29120968 × 10^6
Prime Factorization
2 × 2 × 2 × 97 × 166393
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32280242
Product of the distinct prime numbers
The prime factorization of 129120968 is 2 × 2 × 2 × 97 × 166393.
Since it has a total of 5 prime factors.
4 , 3 , 69 , 73 , 705 , 941 , 5810 , 6679 , 15270 , 82597 , 144334 , 56651 , 2218573 , 4288875 , 3647603 , 50909312 , 44825560 , 975671397 , 3798725075 , 1634343790
n×2
258241936
n×3
387362904
n×4
516483872
n×5
645604840
n÷2
64560484
n÷3
43040322.666667
n÷3
32280242
n÷5
25824193.6
n2
16672224377257024
n3
2.1527337503046E+24
n4
2.779630656856E+32
n5
3.5890860109573E+40
2 √n
11363.140763011
3 √n
505.43532439812
4 √n
106.59803357948
5 √n
41.898584849048
1 , 2 , 4 , 8 , 97 , 194 , 388 , 776 , 166393 , 332786 , 665572 , 1331144 , 16140121 , 32280242 , 64560484 , 129120968
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
-129120967
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 129120968 can be divided by 16 positive divisors.
The sum of these divisors (counting 129120968) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100011101011001000
3
Ternary
22222222000200002
4
Quaternary
13230203223020
5
Quinary
231023332333
6
Senary
20451302132
8
Octal
754435310
10
Decimal
129120968
12
Duodecimal
372aa948
16
Hexadecimal
7b23ac8
20
Vigesimal
2070288
36
Base36
24vidk
md5
806e9f7ccdfbbda12fe1493963295477
sha1
7bbb890cff5136c73ad221f9adc9862355ac53c2
sha256
e877c393383a9bcb4a14570b7d56baa507b94acfcdd3352aa7866cdcfebe242c
sha512
097b5f2ef99032273202ca87d37d00be0360a95da1d1fd41448b0c7d5914359c93bbf4a2666ed19116003b20d31f43e939782165d03d6ff74da656d33c6203c6
ripemd-160
ad7f777992fb2823b3fb25de939feb4b8e5fddcf
Diameter
258241936
Circumference
811290968.98641
Area
5.2377337622591E+16
Volume
9.0173500467891E+24
Surface area
2.0950935049037E+17
Circumference
811290968.98641
Perimeter
516483872
Area
16672224377257024
Diagonal
182604624.13234
Surface area
100033346263542144
Volume
2.1527337503046E+24
Space diagonal
223644076.89848
Perimeter
387362904
Area
7.2192849241494E+15
Altitude
111822038.44924
Surface area
7.2192849241494E+15
Volume
2.5370210548826E+23
Height
60868208.044114