129122620 is an even 9-digits composite number following 129122619
and preceding 129122621 . In scientific notation, it is written as 1.29122620 × 10^8.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 46953600 positive integers (up to 129122620) that are relatively prime to 129122620.
129122620 has 12 divisors, whose sum is 230073424
The reverse of 129122620 is 026221921
Previous prime number is 55
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-nine million one hundred twenty-two thousand six hundred twenty
Scientific notation
1.29122620 × 10^8
Engineering notation
1.29122620 × 10^6
Prime Factorization
2 × 2 × 55 × 586921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64561310
Product of the distinct prime numbers
The prime factorization of 129122620 is 2 × 2 × 55 × 586921.
Since it has a total of 4 prime factors.
3 , 7 , 100 , 95 , 584 , 117 , 8749 , 1252 , 47341 , 24450 , 476384 , 413945 , 2856823 , 7363866 , 73608675 , 32652280 , 892119240 , 256156485 , 764435327 , 138670301
n×2
258245240
n×3
387367860
n×4
516490480
n×5
645613100
n÷2
64561310
n÷3
43040873.333333
n÷3
32280655
n÷5
25824524
n2
16672650995664400
n3
2.1528163789058E+24
n4
2.7797729122323E+32
n5
3.5893156143246E+40
2 √n
11363.213453949
3 √n
505.43747993647
4 √n
106.59837453709
5 √n
41.898692060307
1 , 2 , 4 , 55 , 110 , 220 , 586921 , 1173842 , 2347684 , 32280655 , 64561310 , 129122620
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
-129122619
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 129122620 can be divided by 12 positive divisors.
The sum of these divisors (counting 129122620) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111101100100100000100111100
3
Ternary
22222222002221021
4
Quaternary
13230210010330
5
Quinary
231023410440
6
Senary
20451313524
8
Octal
754440474
10
Decimal
129122620
12
Duodecimal
372ab8a4
16
Hexadecimal
7b2413c
20
Vigesimal
20706b0
36
Base36
24vjng
md5
5b0260a589a0090d5d87964360d6c1de
sha1
34dc432a057087bac526c1a9699addedca4f78a6
sha256
972e7b83cc324ef47e43295b4a2731aed634ac23b30b16e94a43f1fd4766a431
sha512
39a5871a9bc1811cdcf7a4fedfb3e3db40400a8d8e0cd2b5e4a124734f9bc02c17214dec5a4c1373cbd9522d227fa1eacea088174c0b69187e315f04083afd94
ripemd-160
a2cd1894c1b73a7f7b6d97da3fbcf53e5f28cd9e
Diameter
258245240
Circumference
811301348.80853
Area
5.2378677883846E+16
Volume
9.0176961606643E+24
Surface area
2.0951471153538E+17
Circumference
811301348.80853
Perimeter
516490480
Area
16672650995664400
Diagonal
182606960.41315
Surface area
100035905973986400
Volume
2.1528163789058E+24
Space diagonal
223646938.24641
Perimeter
387367860
Area
7.2194696553386E+15
Altitude
111823469.1232
Surface area
7.2194696553386E+15
Volume
2.5371184336229E+23
Height
60868986.804382