129809265 is an odd 9-digits composite number following 129809264
and preceding 129809266 . In scientific notation, it is written as 1.29809265 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 68940032 positive integers (up to 129809265) that are relatively prime to 129809265.
129809265 has 8 divisors, whose sum is 139046400
The reverse of 129809265 is 562908921
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-nine million eight hundred nine thousand two hundred sixty-five
Scientific notation
1.29809265 × 10^8
Engineering notation
1.29809265 × 10^6
Prime Factorization
15 × 239 × 36209
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129809265
Product of the distinct prime numbers
The prime factorization of 129809265 is 15 × 239 × 36209.
Since it has a total of 3 prime factors.
9 , 3 , 5 , 68 , 626 , 966 , 2099 , 1228 , 1965 , 74219 , 46158 , 776011 , 6540132 , 7457090 , 18228489 , 57996255 , 808608927 , 57870766 , 3701376453 , 6009783594
n×2
259618530
n×3
389427795
n×4
519237060
n×5
649046325
n÷2
64904632.5
n÷3
43269755
n÷3
32452316.25
n÷5
25961853
n2
16850445279840225
n3
2.1873439166988E+24
n4
2.8393750612889E+32
n5
3.6857718976524E+40
2 √n
11393.38689767
3 √n
506.33183069833
4 √n
106.73980933874
5 √n
41.943159135086
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
-129809264
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 129809265 can be divided by 8 positive divisors.
The sum of these divisors (counting 129809265) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101111001011101101110001
3
Ternary
100001020222211120
4
Quaternary
13233023231301
5
Quinary
231212344030
6
Senary
20514132453
8
Octal
757135561
10
Decimal
129809265
12
Duodecimal
37581129
16
Hexadecimal
7bcbb71
20
Vigesimal
20b6335
36
Base36
25a9gx
md5
b2012f0e215f4119178ef4e2b71fd33e
sha1
220b44f81e05083fed22e342b45aa2a7ec6fb4cf
sha256
c6403b8d0d249b25f36a2d41f9438d67750bc7179a7d029fdc663325f458583b
sha512
8f8f13d2406dbc159f5ef1ae65faa4b892120dbe07ff29efa85ae60e3456f717fc99627919ed217c5abbe22b80dab85cc82a9ad042ed9c4a052a965a6374788e
ripemd-160
57a53b48c018ffe56d7613bb53a44a418c1256e9
Diameter
259618530
Circumference
815615666.58378
Area
5.2937235100863E+16
Volume
9.1623247727669E+24
Surface area
2.1174894040345E+17
Circumference
815615666.58378
Perimeter
519237060
Area
16850445279840225
Diagonal
183578023.08468
Surface area
101102671679041350
Volume
2.1873439166988E+24
Space diagonal
224836242.27317
Perimeter
389427795
Area
7.2964568387106E+15
Altitude
112418121.13659
Surface area
7.2964568387106E+15
Volume
2.5778095271414E+23
Height
61192674.361561