129805220 is an even 9-digits composite number following 129805219
and preceding 129805221 . In scientific notation, it is written as 1.29805220 × 10^8.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 51869696 positive integers (up to 129805220) that are relatively prime to 129805220.
129805220 has 24 divisors, whose sum is 272866104
The reverse of 129805220 is 022508921
Previous prime number is 1217
Is Prime? no Number parity even Number length 9 Sum of Digits 29 Digital Root 2
Name
one hundred twenty-nine million eight hundred five thousand two hundred twenty
Scientific notation
1.29805220 × 10^8
Engineering notation
1.29805220 × 10^6
Prime Factorization
2 × 2 × 5 × 1217 × 5333
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
64902610 Product of the distinct prime numbers
The prime factorization of 129805220 is 2 × 2 × 5 × 1217 × 5333.
Since it has a total of 5 prime factors.
7 , 1 , 64 , 100 , 422 , 741 , 3893 , 6171 , 36944 , 99625 , 452739 , 624969 , 6797521 , 894057 , 68423784 , 43894841 , 714357366 , 837503783 , 7815990327 , 3121078312
n×2
259610440
n×3
389415660
n×4
519220880
n×5
649026100
n÷2
64902610
n÷3
43268406.666667
n÷3
32451305
n÷5
25961044
n2
16849395139248400
n3
2.1871394429171E+24
n4
2.8390211655853E+32
n5
3.6851976698345E+40
2 √n11393.20938103
3 √n506.32657135743
4 √n106.73897779645
5 √n41.942897732799
1 , 2 , 4 , 5 , 10 , 20 , 1217 , 2434 , 4868 , 5333 , 6085 , 10666 , 12170 , 21332 , 24340 , 26665 , 53330 , 106660 , 6490261 , 12980522 , 25961044 , 32451305 , 64902610 , 129805220
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
-129805219 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 129805220 can be divided by 24 positive divisors.
The sum of these divisors (counting 129805220) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101111001010101110100100
3
Ternary
100001020210021202
4
Quaternary
13233022232210
5
Quinary
231212231340
6
Senary
20514102032
8
Octal
757125644
10
Decimal
129805220
12
Duodecimal
3757a918
16
Hexadecimal
7bcaba4
20
Vigesimal
20b5d10
36
Base36
25a6ck
md5
7897df85091ca38d48a6cb779dec4e4d
sha1
604ffec7c3ecdd79844c2acf487ab74fe6f6b7db
sha256
827bb1f175b46c8ae980f4c411cb609c9df06d00e04af1da1d6be2318fd7a4b5
sha512
3345f51bb38094ce7d0890e07be9bbca10ced833c34eb8be4cd9e90df94b63c3daf8b0678fda8c658e77694cc17aae232b56a15539b4ac94d2446fe8f3c9438e
ripemd-160
dd130f531abd6a84782d33be6ea6d03c6e7ce5ca
Diameter
259610440
Circumference
815590251.09921
Area
5.2933935986894E+16
Volume
9.161468274993E+24
Surface area
2.1173574394758E+17
Circumference
815590251.09921
Perimeter
519220880
Area
16849395139248400
Diagonal
183572302.59082
Surface area
101096370835490400
Volume
2.1871394429171E+24
Space diagonal
224829236.12766
Perimeter
389415660
Area
7.2960021144956E+15
Altitude
112414618.06383
Surface area
7.2960021144956E+15
Volume
2.5775685524787E+23
Height
61190767.530274