12543640 is an even 8-digits composite number following 12543639
and preceding 12543641 . In scientific notation, it is written as 1.2543640 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors.
There are 4999552 positive integers (up to 12543640) that are relatively prime to 12543640.
12543640 has 32 divisors, whose sum is 28324080
The reverse of 12543640 is 04634521
Previous prime number is 563
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twelve million five hundred forty-three thousand six hundred forty
Scientific notation
1.2543640 × 10^7
Engineering notation
1.2543640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 563 × 557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3135910
Product of the distinct prime numbers
The prime factorization of 12543640 is 2 × 2 × 2 × 5 × 563 × 557.
Since it has a total of 6 prime factors.
1 , 3 , 21 , 21 , 124 , 991 , 5722 , 2977 , 16273 , 67005 , 278925 , 407200 , 5773242 , 6514978 , 24140542 , 55213431 , 806426921 , 620204326 , 6442364685 , 4365868906
n×2
25087280
n×3
37630920
n×4
50174560
n×5
62718200
n÷2
6271820
n÷3
4181213.3333333
n÷3
3135910
n÷5
2508728
n2
157342904449600
n3
1.9736527499702E+21
n4
2.4756789580636E+28
n5
3.1054025605525E+35
2 √n
3541.7001567044
3 √n
232.34920657164
4 √n
59.512184943122
5 √n
26.283591954596
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 557 , 563 , 1114 , 1126 , 2228 , 2252 , 2785 , 2815 , 4456 , 4504 , 5570 , 5630 , 11140 , 11260 , 22280 , 22520 , 313591 , 627182 , 1254364 , 1567955 , 2508728 , 3135910 , 6271820 , 12543640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12543639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12543640 can be divided by 32 positive divisors.
The sum of these divisors (counting 12543640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101111110110011010011000
3
Ternary
212121021122021
4
Quaternary
233312122120
5
Quinary
11202344030
6
Senary
1124504224
8
Octal
57663230
10
Decimal
12543640
12
Duodecimal
424b074
16
Hexadecimal
bf6698
20
Vigesimal
3i7j20
36
Base36
7guqg
md5
a54fb457fe119bd7e68877e014fc3dd5
sha1
7647e7996ba49a23ed69409be60ca51707b20690
sha256
b030f1b1b21739f994987fc80d42508f44fe95a556e4e711afa18ed0a38445c5
sha512
0bf5040c31e79007368fe4243d138e311b5cb4db57292d87ac3b7504907bbe96580d0ec86fb5b669e694a57c317ad4d4640e3ee05d99cf3f85c51a461ca601cd
ripemd-160
9e94d899823320b547400cd94f7d66bc14e3cbd3
Diameter
25087280
Circumference
78814014.54655
Area
4.9430731271334E+14
Volume
8.2672173067248E+21
Surface area
1.9772292508534E+15
Circumference
78814014.54655
Perimeter
50174560
Area
157342904449600
Diagonal
17739385.809526
Surface area
944057426697600
Volume
1.9736527499702E+21
Space diagonal
21726221.791853
Perimeter
37630920
Area
68131476179291
Altitude
10863110.895927
Surface area
68131476179291
Volume
2.325972072019E+20
Height
5913128.6031752