129491 is an odd 6-digits prime number following 129490
and preceding 129492 . In scientific notation, it is written as 1.29491 × 10^5.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 129490 positive integers (up to 129491) that are relatively prime to 129491.
129491 has 2 divisors, whose sum is 129492
The reverse of 129491 is 194921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-nine thousand four hundred ninety-one
Scientific notation
1.29491 × 10^5
Engineering notation
1.29491 × 10^3
Prime Factorization
129491
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
129491
Product of the distinct prime numbers
The prime factorization of 129491 is 129491.
Since it has a total of 1 prime factors.
7 , 6 , 32 , 21 , 302 , 218 , 5091 , 9834 , 36341 , 60019 , 346697 , 739635 , 6458399 , 9100412 , 91346826 , 52468468 , 157491455 , 332799194 , 8497866685 , 5269640172
n×2
258982
n×3
388473
n×4
517964
n×5
647455
n÷2
64745.5
n÷3
43163.666666667
n÷3
32372.75
n÷5
25898.2
n2
16767919081
n3
2171294609717771
n4
2.8116311030696E+20
n5
3.6408092316759E+25
2 √n
359.84857926634
3 √n
50.591768568369
4 √n
18.969675254636
5 √n
10.530473921544
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
129492
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64746
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
359.84996873697
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999845550304
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129491 can be divided by 2 positive divisors.
The sum of these divisors (counting 129491) is 129492, the average is 64746.
Base
System
Value
2
Binary
11111100111010011
3
Ternary
20120121222
4
Quaternary
133213103
5
Quinary
13120431
6
Senary
2435255
8
Octal
374723
10
Decimal
129491
12
Duodecimal
62b2b
16
Hexadecimal
1f9d3
20
Vigesimal
g3eb
36
Base36
2rwz
md5
e319763999f67a0d52424e0dff4c265c
sha1
33b5bade1950e9b10f9d666bf6d3dcf9d5971a6a
sha256
23476db83f8857fd4898095b76c83f64387d1df53a8974a447983d70478bc867
sha512
f210dd384977fe0dbd69970dc42a51955c78c07727ad0f87f07c373e6a49c2f857f19da9e9e76891cbd8082877735d288d6539e4406d17ef1a77659e7676cd3e
ripemd-160
426f53f2be5cceae78258baf393d5f61b7aa0a1b
Diameter
258982
Circumference
813615.94861199
Area
52677971400.858
Volume
9.0950975928913E+15
Surface area
210711885603.43
Circumference
813615.94861199
Perimeter
517964
Area
16767919081
Diagonal
183127.92840525
Surface area
100607514486
Volume
2171294609717771
Space diagonal
224284.9911229
Perimeter
388473
Area
7260721946.3739
Altitude
112142.49556145
Surface area
7260721946.3739
Volume
2.5588952374754E+14
Height
61042.642801751