129238085 is an odd 9-digits composite number following 129238084
and preceding 129238086 . In scientific notation, it is written as 1.29238085 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 102366400 positive integers (up to 129238085) that are relatively prime to 129238085.
129238085 has 8 divisors, whose sum is 156621816
The reverse of 129238085 is 580832921
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred twenty-nine million two hundred thirty-eight thousand eighty-five
Scientific notation
1.29238085 × 10^8
Engineering notation
1.29238085 × 10^6
Prime Factorization
5 × 101 × 255917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129238085
Product of the distinct prime numbers
The prime factorization of 129238085 is 5 × 101 × 255917.
Since it has a total of 3 prime factors.
6 , 9 , 60 , 19 , 334 , 482 , 2541 , 9752 , 2292 , 86989 , 322686 , 496981 , 1755883 , 1208339 , 75325059 , 94522020 , 496674646 , 545425155 , 2638971121 , 2098514021
n×2
258476170
n×3
387714255
n×4
516952340
n×5
646190425
n÷2
64619042.5
n÷3
43079361.666667
n÷3
32309521.25
n÷5
25847617
n2
16702482614467225
n3
2.1585968678395E+24
n4
2.7897292548658E+32
n5
3.6053926656733E+40
2 √n
11368.292967724
3 √n
505.58809375211
4 √n
106.62219734991
5 √n
41.906182774107
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
-129238084
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 129238085 can be divided by 8 positive divisors.
The sum of these divisors (counting 129238085) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101101000000010001000101
3
Ternary
100000011222022202
4
Quaternary
13231000101011
5
Quinary
231041104320
6
Senary
20454004245
8
Octal
755002105
10
Decimal
129238085
12
Duodecimal
37346685
16
Hexadecimal
7b40445
20
Vigesimal
207ef45
36
Base36
24y0qt
md5
1888dddea048ada559cb81ef13c25a71
sha1
7135bd3ce583ca080e5746f8f1af7dd7d58a3165
sha256
3ddf24db902695f8dc5d36779ead5a6ba37e92178467cafaf35ccfbd51f05830
sha512
f1c8583cea3cf79d657a450b3e25b21db4b3194cc133066e410550108f53fdb0996763137ecfb44b2802f331bb5d54a8a10ed959760589ce6c08dff39fe860b6
ripemd-160
3b5cc9a3fd319f4ba15ac1f30ac0839b2d5115ae
Diameter
258476170
Circumference
812026836.80003
Area
5.2472396678321E+16
Volume
9.0419094160888E+24
Surface area
2.0988958671329E+17
Circumference
812026836.80003
Perimeter
516952340
Area
16702482614467225
Diagonal
182770252.58213
Surface area
100214895686803350
Volume
2.1585968678395E+24
Space diagonal
223846929.49291
Perimeter
387714255
Area
7.2323871251983E+15
Altitude
111923464.74645
Surface area
7.2323871251983E+15
Volume
2.5439308051623E+23
Height
60923417.527376