12543820 is an even 8-digits composite number following 12543819
and preceding 12543821 . In scientific notation, it is written as 1.2543820 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 5017520 positive integers (up to 12543820) that are relatively prime to 12543820.
12543820 has 12 divisors, whose sum is 26342064
The reverse of 12543820 is 02834521
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twelve million five hundred forty-three thousand eight hundred twenty
Scientific notation
1.2543820 × 10^7
Engineering notation
1.2543820 × 10^6
Prime Factorization
2 × 2 × 5 × 627191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6271910
Product of the distinct prime numbers
The prime factorization of 12543820 is 2 × 2 × 5 × 627191.
Since it has a total of 4 prime factors.
1 , 4 , 2 , 7 , 548 , 878 , 7658 , 2101 , 14267 , 26575 , 50498 , 615345 , 4237319 , 7296152 , 18975653 , 65108914 , 790657363 , 829547637 , 6988526383 , 1552619628
n×2
25087640
n×3
37631460
n×4
50175280
n×5
62719100
n÷2
6271910
n÷3
4181273.3333333
n÷3
3135955
n÷5
2508764
n2
157347420192400
n3
1.9737377163578E+21
n4
2.4758210641204E+28
n5
3.1056253780534E+35
2 √n
3541.7255681377
3 √n
232.35031796241
4 √n
59.512398440473
5 √n
26.283667387555
1 , 2 , 4 , 5 , 10 , 20 , 627191 , 1254382 , 2508764 , 3135955 , 6271910 , 12543820
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12543819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12543820 can be divided by 12 positive divisors.
The sum of these divisors (counting 12543820) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101111110110011101001100
3
Ternary
212121021212221
4
Quaternary
233312131030
5
Quinary
11202400240
6
Senary
1124505124
8
Octal
57663514
10
Decimal
12543820
12
Duodecimal
424b1a4
16
Hexadecimal
bf674c
20
Vigesimal
3i7jb0
36
Base36
7guvg
md5
c3fecd911179715ed0926e224cbcc92b
sha1
3b3da3d18e11b6dba45a103f3a735a47ae13c8b7
sha256
cb91e02b81a6b41e217ce56c1913efc7ab805cf3f039482a760f96565decf30a
sha512
1b730cf2a3759241bc490fa23fefa9786ca4f08ab4abcad56cd74f2deeab9f7548b41bcb974a7de1a03849303e0e8d46cbd78ab4973d2b340b313970c1479158
ripemd-160
fbdc5381a86882e2f14ffd5b337a0ee7456ad0af
Diameter
25087640
Circumference
78815145.519905
Area
4.9432149933775E+14
Volume
8.2675732130971E+21
Surface area
1.977285997351E+15
Circumference
78815145.519905
Perimeter
50175280
Area
157347420192400
Diagonal
17739640.367967
Surface area
944084521154400
Volume
1.9737377163578E+21
Space diagonal
21726533.560999
Perimeter
37631460
Area
68133431553281
Altitude
10863266.780499
Surface area
68133431553281
Volume
2.3260722058671E+20
Height
5913213.455989