129031720 is an even 9-digits composite number following 129031719
and preceding 129031721 . In scientific notation, it is written as 1.29031720 × 10^8.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 51612672 positive integers (up to 129031720) that are relatively prime to 129031720.
129031720 has 16 divisors, whose sum is 290321460
The reverse of 129031720 is 027130921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-nine million thirty-one thousand seven hundred twenty
Scientific notation
1.29031720 × 10^8
Engineering notation
1.29031720 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 3225793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32257930
Product of the distinct prime numbers
The prime factorization of 129031720 is 2 × 2 × 2 × 5 × 3225793.
Since it has a total of 5 prime factors.
6 , 3 , 13 , 27 , 623 , 637 , 1535 , 2745 , 92711 , 77772 , 926638 , 725256 , 8517117 , 4577932 , 30590357 , 51625124 , 220723028 , 58846981 , 7282155152 , 6255957233
n×2
258063440
n×3
387095160
n×4
516126880
n×5
645158600
n÷2
64515860
n÷3
43010573.333333
n÷3
32257930
n÷5
25806344
n2
16649184766158400
n3
2.1482729469752E+24
n4
2.7719535337768E+32
n5
3.576699322233E+40
2 √n
11359.213000908
3 √n
505.31884579771
4 √n
106.57960874815
5 √n
41.892791213448
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 3225793 , 6451586 , 12903172 , 16128965 , 25806344 , 32257930 , 64515860 , 129031720
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
-129031719
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 129031720 can be divided by 16 positive divisors.
The sum of these divisors (counting 129031720) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100001101111000101000
3
Ternary
22222210111020121
4
Quaternary
13230031320220
5
Quinary
231013003340
6
Senary
20445333024
8
Octal
754157050
10
Decimal
129031720
12
Duodecimal
37267174
16
Hexadecimal
7b0de28
20
Vigesimal
2068j60
36
Base36
24tlig
md5
dbf8dfb714d1149437b9e2c8d41e5d3a
sha1
061aa8a33e1bf5f803ec846a3da8ad3192ec46e2
sha256
36a9720c333a465d7353a4e48a99d5bae08a8ca625a7405b704608b89199ebe7
sha512
c7971770fc49fba413956bb5f48891d94972484c2186ed9b71d2148a3d446ffcba39c803b82e97585834a62bdbc318fe43dbbd1d0c9f74e04f68fee2164655d6
ripemd-160
f853266b98ab83377e979dc3737af77c6d7186f2
Diameter
258063440
Circumference
810730207.26411
Area
5.2304956549622E+16
Volume
8.9986646774974E+24
Surface area
2.0921982619849E+17
Circumference
810730207.26411
Perimeter
516126880
Area
16649184766158400
Diagonal
182478408.40033
Surface area
99895108596950400
Volume
2.1482729469752E+24
Space diagonal
223489494.828
Perimeter
387095160
Area
7.209308479897E+15
Altitude
111744747.414
Surface area
7.209308479897E+15
Volume
2.531763947743E+23
Height
60826136.133443