129128625 is an odd 9-digits composite number following 129128624
and preceding 129128626 . In scientific notation, it is written as 1.29128625 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 68868000 positive integers (up to 129128625) that are relatively prime to 129128625.
129128625 has 8 divisors, whose sum is 172632128
The reverse of 129128625 is 526821921
Previous prime number is 375
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million one hundred twenty-eight thousand six hundred twenty-five
Scientific notation
1.29128625 × 10^8
Engineering notation
1.29128625 × 10^6
Prime Factorization
3 × 375 × 114781
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129128625
Product of the distinct prime numbers
The prime factorization of 129128625 is 3 × 375 × 114781.
Since it has a total of 3 prime factors.
7 , 2 , 18 , 69 , 376 , 364 , 5745 , 5519 , 34854 , 97699 , 797523 , 543862 , 8039295 , 9880221 , 12490155 , 75384616 , 20252842 , 708570166 , 8886759104 , 8854674123
n×2
258257250
n×3
387385875
n×4
516514500
n×5
645643125
n÷2
64564312.5
n÷3
43042875
n÷3
32282156.25
n÷5
25825725
n2
16674201794390625
n3
2.1531167506822E+24
n4
2.7802900548006E+32
n5
3.5901503187758E+40
2 √n
11363.47768071
3 √n
505.44531513741
4 √n
106.59961388631
5 √n
41.899081762693
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129128624
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129128625 can be divided by 8 positive divisors.
The sum of these divisors (counting 129128625) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101100100101100010110001
3
Ternary
22222222102011200
4
Quaternary
13230211202301
5
Quinary
231024104000
6
Senary
20451401413
8
Octal
754454261
10
Decimal
129128625
12
Duodecimal
372b3269
16
Hexadecimal
7b258b1
20
Vigesimal
20711b5
36
Base36
24voa9
md5
08c378850165d983e2f80bd5e575f47d
sha1
d86e1db1d24a6ba3dbdfff67ac4e8f030804f91c
sha256
e026735dc6e6323ad2bde7955a28c4902648d252ee1113fd1a66e29c434dd1f1
sha512
f3904cef7ffb358b928bba24de5119f326adc957d41ce4ed1df450ea0c327361d42a692dd72926b1ebf45bcb712af994b16c2cbe37d3ca24430733b901026536
ripemd-160
fa38c9ecbc744ea6f6c9f351b2bfd8181353261d
Diameter
258257250
Circumference
811339079.3363
Area
5.2383549861731E+16
Volume
9.0189543550191E+24
Surface area
2.0953419944693E+17
Circumference
811339079.3363
Perimeter
516514500
Area
16674201794390625
Diagonal
182615452.76559
Surface area
100045210766343750
Volume
2.1531167506822E+24
Space diagonal
223657339.21151
Perimeter
387385875
Area
7.2201411708852E+15
Altitude
111828669.60575
Surface area
7.2201411708852E+15
Volume
2.5374724251562E+23
Height
60871817.58853