131245 is an odd 6-digits composite number following 131244
and preceding 131246 . In scientific notation, it is written as 1.31245 × 10^5.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 104992 positive integers (up to 131245) that are relatively prime to 131245.
131245 has 4 divisors, whose sum is 157500
The reverse of 131245 is 542131
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 16
Digital Root 7
Name
one hundred thirty-one thousand two hundred forty-five
Scientific notation
1.31245 × 10^5
Engineering notation
1.31245 × 10^3
Prime Factorization
5 × 26249
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
131245
Product of the distinct prime numbers
The prime factorization of 131245 is 5 × 26249.
Since it has a total of 2 prime factors.
8 , 7 , 80 , 35 , 170 , 622 , 7715 , 2694 , 31310 , 14291 , 528521 , 631766 , 6663977 , 4803321 , 92909027 , 95457620 , 244556167 , 259763478 , 1680311349 , 8234043758
n×2
262490
n×3
393735
n×4
524980
n×5
656225
n÷2
65622.5
n÷3
43748.333333333
n÷3
32811.25
n÷5
26249
n2
17225250025
n3
2260727939531125
n4
2.9670923842376E+20
n5
3.8941603996927E+25
2 √n
362.27751793342
3 √n
50.819172501528
4 √n
19.033589202602
5 √n
10.558848374626
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
-131244
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 131245 can be divided by 4 positive divisors.
The sum of these divisors (counting 131245) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000000010101101
3
Ternary
20200000221
4
Quaternary
200002231
5
Quinary
13144440
6
Senary
2451341
8
Octal
400255
10
Decimal
131245
12
Duodecimal
63b51
16
Hexadecimal
200ad
20
Vigesimal
g825
36
Base36
2t9p
md5
7a6e21a1d61f94433f3f46e41e561b6f
sha1
3ed9e5a60b21c346886578a2a36d0432b4ad9195
sha256
c71124e75a87d3bab6f9170cdeeabab510ff3763d06706543b77f5d9e9b96dc3
sha512
2a913da998cf441cd55a8b98b27a8500e44049000a853f61f0e8db306cc4e0579505184d02d6d4089882df59dd6bf8390d8e4e68b6784d21cf9d2f9487a0e624
ripemd-160
89a3f96fad62a7ac59388c6d5e531e25bc5b844d
Diameter
262490
Circumference
824636.65564078
Area
54114718934.787
Volume
9.4697150487949E+15
Surface area
216458875739.15
Circumference
824636.65564078
Perimeter
524980
Area
17225250025
Diagonal
185608.45899366
Surface area
103351500150
Volume
2260727939531125
Space diagonal
227323.00823938
Perimeter
393735
Area
7458752054.0943
Altitude
113661.50411969
Surface area
7458752054.0943
Volume
2.6642934274339E+14
Height
61869.486331219