129489021 is an odd 9-digits composite number following 129489020
and preceding 129489022 . In scientific notation, it is written as 1.29489021 × 10^8.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 86326008 positive integers (up to 129489021) that are relatively prime to 129489021.
129489021 has 4 divisors, whose sum is 143876700
The reverse of 129489021 is 120984921
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-nine million four hundred eighty-nine thousand twenty-one
Scientific notation
1.29489021 × 10^8
Engineering notation
1.29489021 × 10^6
Prime Factorization
9 × 14387669
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129489021
Product of the distinct prime numbers
The prime factorization of 129489021 is 9 × 14387669.
Since it has a total of 2 prime factors.
1 , 6 , 8 , 82 , 483 , 428 , 1352 , 2501 , 4703 , 99444 , 762606 , 985315 , 1359283 , 7319988 , 9256379 , 13489952 , 474712143 , 981507997 , 1483939249 , 4200335314
n×2
258978042
n×3
388467063
n×4
517956084
n×5
647445105
n÷2
64744510.5
n÷3
43163007
n÷3
32372255.25
n÷5
25897804.2
n2
16767406559538441
n3
2.1711950601036E+24
n4
2.8114592273285E+32
n5
3.6405310292819E+40
2 √n
11379.324276951
3 √n
505.91510837149
4 √n
106.67391563522
5 √n
41.922443634326
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
-129489020
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 129489021 can be divided by 4 positive divisors.
The sum of these divisors (counting 129489021) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101111101100001111101
3
Ternary
100000122201112200
4
Quaternary
13231331201331
5
Quinary
231122122041
6
Senary
20503222113
8
Octal
755754175
10
Decimal
129489021
12
Duodecimal
37447939
16
Hexadecimal
7b7d87d
20
Vigesimal
20962b1
36
Base36
253ed9
md5
2bebaa809487d0b8601a8075886af471
sha1
6cc1b97ca30f693238adf4f85a43db9b725a3bb3
sha256
80a320ef03775c5b9537b05f6d2cb43b7b2d94539b7a98819a6ec4f73132f1b3
sha512
d02f71bba130355aaacb6f3d25cb90d5c0cb9d70f00955b989b8310f22f1bdc7bf068b7058d35845c06c21b05994307f8e0dc239781a0eeccf6187f661c463b1
ripemd-160
3453b771833edfdd9b4867ced071de364a2652cd
Diameter
258978042
Circumference
813603514.18827
Area
5.2676361267199E+16
Volume
9.0946806004426E+24
Surface area
2.107054450688E+17
Circumference
813603514.18827
Perimeter
517956084
Area
16767406559538441
Diagonal
183125129.67661
Surface area
100604439357230646
Volume
2.1711950601036E+24
Space diagonal
224281563.39435
Perimeter
388467063
Area
7.2605000180711E+15
Altitude
112140781.69718
Surface area
7.2605000180711E+15
Volume
2.55877791713E+23
Height
61041709.892205