129128825 is an odd 9-digits composite number following 129128824
and preceding 129128826 . In scientific notation, it is written as 1.29128825 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 87621120 positive integers (up to 129128825) that are relatively prime to 129128825.
129128825 has 16 divisors, whose sum is 161046144
The reverse of 129128825 is 528821921
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million one hundred twenty-eight thousand eight hundred twenty-five
Scientific notation
1.29128825 × 10^8
Engineering notation
1.29128825 × 10^6
Prime Factorization
35 × 5 × 97 × 7607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129128825
Product of the distinct prime numbers
The prime factorization of 129128825 is 35 × 5 × 97 × 7607.
Since it has a total of 4 prime factors.
4 , 8 , 3 , 58 , 802 , 946 , 4870 , 2937 , 96244 , 59012 , 142422 , 156265 , 112523 , 1447235 , 58108487 , 68245750 , 296851469 , 847295337 , 1010283935 , 8128240758
n×2
258257650
n×3
387386475
n×4
516515300
n×5
645644125
n÷2
64564412.5
n÷3
43042941.666667
n÷3
32282206.25
n÷5
25825765
n2
16674253445880625
n3
2.1531267552188E+24
n4
2.7803072797746E+32
n5
3.5901781217624E+40
2 √n
11363.48648083
3 √n
505.44557608913
4 √n
106.59965516281
5 √n
41.899094741707
1 , 5 , 35 , 97 , 175 , 485 , 3395 , 7607 , 16975 , 38035 , 266245 , 737879 , 1331225 , 3689395 , 25825765 , 129128825
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
-129128824
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 129128825 can be divided by 16 positive divisors.
The sum of these divisors (counting 129128825) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101100100101100101111001
3
Ternary
22222222102110002
4
Quaternary
13230211211321
5
Quinary
231024110300
6
Senary
20451402345
8
Octal
754454571
10
Decimal
129128825
12
Duodecimal
372b33b5
16
Hexadecimal
7b25979
20
Vigesimal
2071215
36
Base36
24voft
md5
6edf79298649634fcb8463dbc97763ac
sha1
ade061d29cff91ca5cf56410331633b198ecdf4b
sha256
b6a29458e9cd50151c529167fe4cb6e572b28a1ec1d7bbd24986d313861f1c1a
sha512
c57b47b7e8735f11e15254936c4c779b70fac328be930a6617d58631ceb92a75cf0afa476d53dd295deeab76bab5b5d6c0a05f9fc7aefa9779ab1a91eca86386
ripemd-160
48695ce4054ec50b690f97dacd0dff46ce267062
Diameter
258257650
Circumference
811340335.97336
Area
5.2383712129673E+16
Volume
9.0189962619239E+24
Surface area
2.0953484851869E+17
Circumference
811340335.97336
Perimeter
516515300
Area
16674253445880625
Diagonal
182615735.6083
Surface area
100045520675283750
Volume
2.1531267552188E+24
Space diagonal
223657685.62167
Perimeter
387386475
Area
7.2201635366364E+15
Altitude
111828842.81084
Surface area
7.2201635366364E+15
Volume
2.5374842156156E+23
Height
60871911.869434