129758909 is an odd 9-digits composite number following 129758908
and preceding 129758910 . In scientific notation, it is written as 1.29758909 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 104678784 positive integers (up to 129758909) that are relatively prime to 129758909.
129758909 has 12 divisors, whose sum is 159824124
The reverse of 129758909 is 909857921
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-nine million seven hundred fifty-eight thousand nine hundred nine
Scientific notation
1.29758909 × 10^8
Engineering notation
1.29758909 × 10^6
Prime Factorization
7 × 7 × 17 × 155773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18536987
Product of the distinct prime numbers
The prime factorization of 129758909 is 7 × 7 × 17 × 155773.
Since it has a total of 4 prime factors.
8 , 9 , 51 , 86 , 147 , 144 , 3648 , 3746 , 96890 , 55883 , 457262 , 48796 , 1009528 , 756579 , 12783310 , 43829229 , 4174938 , 832429134 , 1176144726 , 1449058120
n×2
259517818
n×3
389276727
n×4
519035636
n×5
648794545
n÷2
64879454.5
n÷3
43252969.666667
n÷3
32439727.25
n÷5
25951781.8
n2
16837374464870281
n3
2.184799340986E+24
n4
2.8349717887027E+32
n5
3.6786284634784E+40
2 √n
11391.176804878
3 √n
506.26634964217
4 √n
106.72945612566
5 √n
41.939904486769
1 , 7 , 17 , 49 , 119 , 833 , 155773 , 1090411 , 2648141 , 7632877 , 18536987 , 129758909
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129758908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129758909 can be divided by 12 positive divisors.
The sum of these divisors (counting 129758909) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101110111111011010111101
3
Ternary
100001011102202112
4
Quaternary
13232333122331
5
Quinary
231204241114
6
Senary
20513103405
8
Octal
756773275
10
Decimal
129758909
12
Duodecimal
37557b65
16
Hexadecimal
7bbf6bd
20
Vigesimal
20ajh59
36
Base36
2596m5
md5
f84d17926cb32890920256e2872a7c8c
sha1
85a425bd6b2b321cb4905c470bb4f0c02d421666
sha256
ee38c6861df7ced2cca874b7e1e7b61222fb1dd88395e1cc807586085e1428ab
sha512
e006855f8fedd21259192f26363d8702e65daef5666333e949e65ec54f777c41fd08949d7187b6e623d80019828ebd46aed476fed7dd7e852898c0cefb1de650
ripemd-160
2d1a3927a67a40c219b9510444e3aa8a63ddf2a9
Diameter
259517818
Circumference
815299270.50445
Area
5.2896171924577E+16
Volume
9.151666078946E+24
Surface area
2.1158468769831E+17
Circumference
815299270.50445
Perimeter
519035636
Area
16837374464870281
Diagonal
183506808.94654
Surface area
101024246789221686
Volume
2.184799340986E+24
Space diagonal
224749023.12271
Perimeter
389276727
Area
7.2907970098045E+15
Altitude
112374511.56135
Surface area
7.2907970098045E+15
Volume
2.5748107159052E+23
Height
61168936.315512