12542439 is an odd 8-digits composite number following 12542438
and preceding 12542440 . In scientific notation, it is written as 1.2542439 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6615648 positive integers (up to 12542439) that are relatively prime to 12542439.
12542439 has 16 divisors, whose sum is 20582912
The reverse of 12542439 is 93424521
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million five hundred forty-two thousand four hundred thirty-nine
Scientific notation
1.2542439 × 10^7
Engineering notation
1.2542439 × 10^6
Prime Factorization
7 × 3 × 13 × 45943
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12542439
Product of the distinct prime numbers
The prime factorization of 12542439 is 7 × 3 × 13 × 45943.
Since it has a total of 4 prime factors.
3 , 2 , 51 , 93 , 62 , 796 , 1109 , 5769 , 21226 , 50656 , 546520 , 756267 , 6477787 , 5302255 , 68460338 , 74320065 , 638997777 , 312914422 , 9868491016 , 6960877469
n×2
25084878
n×3
37627317
n×4
50169756
n×5
62712195
n÷2
6271219.5
n÷3
4180813
n÷3
3135609.75
n÷5
2508487.8
n2
157312776068721
n3
1.9730858977626E+21
n4
2.4747309514448E+28
n5
3.1039161999908E+35
2 √n
3541.5306013079
3 √n
232.3417908533
4 √n
59.510760382538
5 √n
26.283088626966
1 , 3 , 7 , 13 , 21 , 39 , 91 , 273 , 45943 , 137829 , 321601 , 597259 , 964803 , 1791777 , 4180813 , 12542439
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12542438
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12542439 can be divided by 16 positive divisors.
The sum of these divisors (counting 12542439) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111110110000111100111
3
Ternary
212121012222210
4
Quaternary
233312013213
5
Quinary
11202324224
6
Senary
1124454503
8
Octal
57660747
10
Decimal
12542439
12
Duodecimal
424a433
16
Hexadecimal
bf61e7
20
Vigesimal
3i7g1j
36
Base36
7gtt3
md5
71ffb030ffcb1d3cff5d3a85c600fc59
sha1
8de741df3eb211f650f26dbcf4de6cee14532a32
sha256
95a542335563869bb8a47c3a082a750d729aeb896e6690dcb0b07e4a4307298c
sha512
254f789d0a13b240d3d6acca3eb77406c07f721e9a7e046d3f5a4d48df159a9f518d7e6705ab62e636a1ad48098f3910994ebdc82ecc588cc4bc93715371bd13
ripemd-160
3d3b4d3134ca1bd87c5af92b81275e1603736f61
Diameter
25084878
Circumference
78806468.440996
Area
4.9421266161331E+14
Volume
8.2648428817501E+21
Surface area
1.9768506464532E+15
Circumference
78806468.440996
Perimeter
50169756
Area
157312776068721
Diagonal
17737687.339037
Surface area
943876656412326
Volume
1.9730858977626E+21
Space diagonal
21724141.598833
Perimeter
37627317
Area
68118430207683
Altitude
10862070.799417
Surface area
68118430207683
Volume
2.3253040302858E+20
Height
5912562.4463457