129531 is an odd 6-digits composite number following 129530
and preceding 129532 . In scientific notation, it is written as 1.29531 × 10^5.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 86352 positive integers (up to 129531) that are relatively prime to 129531.
129531 has 4 divisors, whose sum is 172712
The reverse of 129531 is 135921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 21
Digital Root 3
Name
one hundred twenty-nine thousand five hundred thirty-one
Scientific notation
1.29531 × 10^5
Engineering notation
1.29531 × 10^3
Prime Factorization
3 × 43177
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129531
Product of the distinct prime numbers
The prime factorization of 129531 is 3 × 43177.
Since it has a total of 2 prime factors.
8 , 1 , 34 , 53 , 190 , 408 , 1777 , 8485 , 89431 , 16578 , 325091 , 311692 , 9518969 , 1499958 , 10422395 , 72142501 , 338682630 , 895638851 , 7384928020 , 378192689
n×2
259062
n×3
388593
n×4
518124
n×5
647655
n÷2
64765.5
n÷3
43177
n÷3
32382.75
n÷5
25906.2
n2
16778279961
n3
2173307381628291
n4
2.8151067844969E+20
n5
3.6464359690267E+25
2 √n
359.90415390768
3 √n
50.596977327811
4 √n
18.971140026569
5 √n
10.531124417595
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
-129530
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 129531 can be divided by 4 positive divisors.
The sum of these divisors (counting 129531) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111100111111011
3
Ternary
20120200110
4
Quaternary
133213323
5
Quinary
13121111
6
Senary
2435403
8
Octal
374773
10
Decimal
129531
12
Duodecimal
62b63
16
Hexadecimal
1f9fb
20
Vigesimal
g3gb
36
Base36
2ry3
md5
86b8fc1dc2cfbfb48366ba7c254edbf5
sha1
34251ceae586fc858437add38d7d79493af4007b
sha256
1d09e2eacf403d83b4c741b1fc8a15dacbb3c1b607c4bc5d32fc6d35bd3718c7
sha512
85519979afaa0787a0abfd4467dcb4d6c47f6310949f61bf2752857d76d2a42052aa3d9b3f32384eaff823a5469d17fb4e44e36edc858d7a021669f8a0afc5c7
ripemd-160
8f427a5696fa11ab66278ddd69a6a4ea749a7ad3
Diameter
259062
Circumference
813867.27602428
Area
52710521065.35
Volume
9.1035286721545E+15
Surface area
210842084261.4
Circumference
813867.27602428
Perimeter
518124
Area
16778279961
Diagonal
183184.49694775
Surface area
100669679766
Volume
2173307381628291
Space diagonal
224354.2731552
Perimeter
388593
Area
7265208339.0167
Altitude
112177.1365776
Surface area
7265208339.0167
Volume
2.5612673119202E+14
Height
61061.498982583