129628105 is an odd 9-digits composite number following 129628104
and preceding 129628106 . In scientific notation, it is written as 1.29628105 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 103702480 positive integers (up to 129628105) that are relatively prime to 129628105.
129628105 has 4 divisors, whose sum is 155553732
The reverse of 129628105 is 501826921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-nine million six hundred twenty-eight thousand one hundred five
Scientific notation
1.29628105 × 10^8
Engineering notation
1.29628105 × 10^6
Prime Factorization
5 × 25925621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129628105
Product of the distinct prime numbers
The prime factorization of 129628105 is 5 × 25925621.
Since it has a total of 2 prime factors.
1 , 3 , 1 , 11 , 407 , 770 , 2725 , 8826 , 88157 , 63462 , 95140 , 488565 , 6464553 , 8691657 , 91671039 , 60803062 , 922057998 , 187209737 , 9152185847 , 7526756141
n×2
259256210
n×3
388884315
n×4
518512420
n×5
648140525
n÷2
64814052.5
n÷3
43209368.333333
n÷3
32407026.25
n÷5
25925621
n2
16803445605891025
n3
2.1781988113622E+24
n4
2.8235578423014E+32
n5
3.6601245245542E+40
2 √n
11385.433895992
3 √n
506.0961778257
4 √n
106.70254868555
5 √n
41.93144553673
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129628104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129628105 can be divided by 4 positive divisors.
The sum of these divisors (counting 129628105) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101110011111011111001001
3
Ternary
100000220210022221
4
Quaternary
13232133133021
5
Quinary
231141044410
6
Senary
20510214041
8
Octal
756373711
10
Decimal
129628105
12
Duodecimal
374b4321
16
Hexadecimal
7b9f7c9
20
Vigesimal
20a3a55
36
Base36
256dop
md5
b6f3d736c3edcd753d32aadf47246262
sha1
5f6850ab60aabea279bfb2ef25ed5f877786924f
sha256
2994cb8fcd2ddb92e9268c76fafffda81384d0b4e018be8068192f65cbb7ad00
sha512
f66a55a60926e688cb2e3d78becd3e7f3f6d4180e1b57bd5dd0b5ab1e35c57ae509ff86db5daac86c110d6f566941b610d2ea9f08d9318eed27b9a9c51acf841
ripemd-160
261ccd7cb78f387496e73c0cfde0ecccbfe80a85
Diameter
259256210
Circumference
814477404.73353
Area
5.2789581270463E+16
Volume
9.1240178451115E+24
Surface area
2.1115832508185E+17
Circumference
814477404.73353
Perimeter
518512420
Area
16803445605891025
Diagonal
183321824.15572
Surface area
100820673635346150
Volume
2.1781988113622E+24
Space diagonal
224522463.94887
Perimeter
388884315
Area
7.2761053829058E+15
Altitude
112261231.97444
Surface area
7.2761053829058E+15
Volume
2.5670319171445E+23
Height
61107274.718575