129121628 is an even 9-digits composite number following 129121627
and preceding 129121629 . In scientific notation, it is written as 1.29121628 × 10^8.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 61948800 positive integers (up to 129121628) that are relatively prime to 129121628.
129121628 has 24 divisors, whose sum is 235287024
The reverse of 129121628 is 826121921
Previous prime number is 61
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-nine million one hundred twenty-one thousand six hundred twenty-eight
Scientific notation
1.29121628 × 10^8
Engineering notation
1.29121628 × 10^6
Prime Factorization
2 × 2 × 41 × 61 × 12907
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64560814
Product of the distinct prime numbers
The prime factorization of 129121628 is 2 × 2 × 41 × 61 × 12907.
Since it has a total of 5 prime factors.
6 , 3 , 5 , 58 , 361 , 205 , 7999 , 3797 , 59202 , 64749 , 234085 , 746104 , 9800653 , 1232718 , 3524413 , 37969398 , 992158524 , 763703991 , 1906306546 , 1626067613
n×2
258243256
n×3
387364884
n×4
516486512
n×5
645608140
n÷2
64560814
n÷3
43040542.666667
n÷3
32280407
n÷5
25824325.6
n2
16672394817370384
n3
2.1527667614776E+24
n4
2.7796874894628E+32
n5
3.5891777397067E+40
2 √n
11363.16980424
3 √n
505.43618557183
4 √n
106.5981697978
5 √n
41.898627681765
1 , 2 , 4 , 41 , 61 , 82 , 122 , 164 , 244 , 2501 , 5002 , 10004 , 12907 , 25814 , 51628 , 529187 , 787327 , 1058374 , 1574654 , 2116748 , 3149308 , 32280407 , 64560814 , 129121628
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
-129121627
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 129121628 can be divided by 24 positive divisors.
The sum of these divisors (counting 129121628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101100100011110101011100
3
Ternary
22222222001120112
4
Quaternary
13230203311130
5
Quinary
231023343003
6
Senary
20451305152
8
Octal
754436534
10
Decimal
129121628
12
Duodecimal
372ab1b8
16
Hexadecimal
7b23d5c
20
Vigesimal
2070418
36
Base36
24vivw
md5
f29f4b8c16cfa54fd2305ab6846482d0
sha1
ea47cf88c9c79212c5f13f7d077782ca295b8f15
sha256
41aacd9507502b0c314203fbd17baa052fb5e699824cdc721d4c469ec178015a
sha512
b54fa73df7c7b694c4e40cca7e7d2d8aca0e13978868b31cc9523b7bb7d8c5cb5e4c4824c1f897cc4a56c11c80d6f3bc7294fc8aa82c87ba26136aaf95b5049d
ripemd-160
73e6f3aef4fc668b84195ffea129d5fe6efb5ba1
Diameter
258243256
Circumference
811295115.88871
Area
5.2377873075999E+16
Volume
9.0174883236672E+24
Surface area
2.09511492304E+17
Circumference
811295115.88871
Perimeter
516486512
Area
16672394817370384
Diagonal
182605557.51329
Surface area
100034368904222304
Volume
2.1527667614776E+24
Space diagonal
223645220.05201
Perimeter
387364884
Area
7.2193587268834E+15
Altitude
111822610.026
Surface area
7.2193587268834E+15
Volume
2.5370599589231E+23
Height
60868519.171098