129128628 is an even 9-digits composite number following 129128627
and preceding 129128629 . In scientific notation, it is written as 1.29128628 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 42624576 positive integers (up to 129128628) that are relatively prime to 129128628.
129128628 has 24 divisors, whose sum is 304228288
The reverse of 129128628 is 826821921
Previous prime number is 103
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-nine million one hundred twenty-eight thousand six hundred twenty-eight
Scientific notation
1.29128628 × 10^8
Engineering notation
1.29128628 × 10^6
Prime Factorization
2 × 2 × 3 × 103 × 104473
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64564314
Product of the distinct prime numbers
The prime factorization of 129128628 is 2 × 2 × 3 × 103 × 104473.
Since it has a total of 5 prime factors.
8 , 6 , 46 , 28 , 97 , 804 , 7933 , 6196 , 9972 , 54645 , 940362 , 905590 , 5369536 , 2496757 , 68572872 , 88911403 , 475662143 , 518840014 , 2572742727 , 3997573492
n×2
258257256
n×3
387385884
n×4
516514512
n×5
645643140
n÷2
64564314
n÷3
43042876
n÷3
32282157
n÷5
25825725.6
n2
16674202569162384
n3
2.15311690075E+24
n4
2.7802903131746E+32
n5
3.5901507358193E+40
2 √n
11363.477812712
3 √n
505.44531905168
4 √n
106.59961450546
5 √n
41.899081957378
1 , 2 , 3 , 4 , 6 , 12 , 103 , 206 , 309 , 412 , 618 , 1236 , 104473 , 208946 , 313419 , 417892 , 626838 , 1253676 , 10760719 , 21521438 , 32282157 , 43042876 , 64564314 , 129128628
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129128627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129128628 can be divided by 24 positive divisors.
The sum of these divisors (counting 129128628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101100100101100010110100
3
Ternary
22222222102011210
4
Quaternary
13230211202310
5
Quinary
231024104003
6
Senary
20451401420
8
Octal
754454264
10
Decimal
129128628
12
Duodecimal
372b3270
16
Hexadecimal
7b258b4
20
Vigesimal
20711b8
36
Base36
24voac
md5
9c3809bea644da08c877db22c1ea8a80
sha1
d2ff05ded4df1e1c717fd1a5ab5f99f22d99c7b7
sha256
eb05c3d29faa5764ede5a465604aaebb9b70e245d84268e2f7d88b98ba599a1f
sha512
9f9aed468116211118b8dce1e1c390140c9d65b746c1567c50d94f22637c2716da9a36a1a365ef1f42858e2fcfb87f175f3a8b5e8eb7ed9545584868f50921a5
ripemd-160
e39cfedc10bcbf0c789092b185cc0152ce41f9d2
Diameter
258257256
Circumference
811339098.18586
Area
5.2383552295749E+16
Volume
9.0189549836217E+24
Surface area
2.0953420918299E+17
Circumference
811339098.18586
Perimeter
516514512
Area
16674202569162384
Diagonal
182615457.00823
Surface area
100045215414974304
Volume
2.15311690075E+24
Space diagonal
223657344.40766
Perimeter
387385884
Area
7.2201415063712E+15
Altitude
111828672.20383
Surface area
7.2201415063712E+15
Volume
2.5374726020128E+23
Height
60871819.002743