12543987 is an odd 8-digits composite number following 12543986
and preceding 12543988 . In scientific notation, it is written as 1.2543987 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 8204768 positive integers (up to 12543987) that are relatively prime to 12543987.
12543987 has 8 divisors, whose sum is 17041104
The reverse of 12543987 is 78934521
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million five hundred forty-three thousand nine hundred eighty-seven
Scientific notation
1.2543987 × 10^7
Engineering notation
1.2543987 × 10^6
Prime Factorization
3 × 53 × 78893
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12543987
Product of the distinct prime numbers
The prime factorization of 12543987 is 3 × 53 × 78893.
Since it has a total of 3 prime factors.
4 , 1 , 24 , 49 , 323 , 942 , 9484 , 5957 , 35030 , 96900 , 624109 , 483838 , 1389530 , 2053908 , 24926035 , 21975978 , 57736089 , 765465625 , 69246090 , 9464636635
n×2
25087974
n×3
37631961
n×4
50175948
n×5
62719935
n÷2
6271993.5
n÷3
4181329
n÷3
3135996.75
n÷5
2508797.4
n2
157351609856169
n3
1.9738165484649E+21
n4
2.4759529124328E+28
n5
3.1058321146169E+35
2 √n
3541.7491441377
3 √n
232.35134907656
4 √n
59.512596516516
5 √n
26.283737371803
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12543986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12543987 can be divided by 8 positive divisors.
The sum of these divisors (counting 12543987) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111110110011111110011
3
Ternary
212121022010010
4
Quaternary
233312133303
5
Quinary
11202401422
6
Senary
1124510003
8
Octal
57663763
10
Decimal
12543987
12
Duodecimal
424b303
16
Hexadecimal
bf67f3
20
Vigesimal
3i7jj7
36
Base36
7gv03
md5
ac961398d6185148aec6b4a20c1a93ef
sha1
448e72dd4a966706e5ce3684be7206bd9e5b05bf
sha256
9431f29a6239a9621c2154b2a57e280dfb7cfdc553342d1813dd16b682ef7cd9
sha512
98cb9cf9bd65384c7c15e4ecddc2ab286ebfebf901119b37a0d308f554083b7e00bd0356b2b8a22b46eab620292d552d274afb0bff7885d9519adf36bd3d83b7
ripemd-160
9cae86836c3f74dca27f3dc2510866e85aa272aa
Diameter
25087974
Circumference
78816194.811852
Area
4.9433466155467E+14
Volume
8.2679034242549E+21
Surface area
1.9773386462187E+15
Circumference
78816194.811852
Perimeter
50175948
Area
157351609856169
Diagonal
17739876.541632
Surface area
944109659137014
Volume
1.9738165484649E+21
Space diagonal
21726822.813483
Perimeter
37631961
Area
68135245730910
Altitude
10863411.406742
Surface area
68135245730910
Volume
2.3261651103962E+20
Height
5913292.1805439