12856872 is an even 8-digits composite number following 12856871
and preceding 12856873 . In scientific notation, it is written as 1.2856872 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 3632832 positive integers (up to 12856872) that are relatively prime to 12856872.
12856872 has 32 divisors, whose sum is 25534080
The reverse of 12856872 is 27865821
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million eight hundred fifty-six thousand eight hundred seventy-two
Scientific notation
1.2856872 × 10^7
Engineering notation
1.2856872 × 10^6
Prime Factorization
2 × 2 × 2 × 21 × 103 × 743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3214218
Product of the distinct prime numbers
The prime factorization of 12856872 is 2 × 2 × 2 × 21 × 103 × 743.
Since it has a total of 6 prime factors.
1 , 4 , 22 , 47 , 915 , 770 , 3073 , 9945 , 53087 , 78164 , 483196 , 623867 , 1926932 , 4222334 , 87685151 , 65373831 , 541271027 , 811571302 , 9999719624 , 426757087
n×2
25713744
n×3
38570616
n×4
51427488
n×5
64284360
n÷2
6428436
n÷3
4285624
n÷3
3214218
n÷5
2571374.4
n2
165299157624384
n3
2.1252301112845E+21
n4
2.7323811511331E+28
n5
3.5129874715331E+35
2 √n
3585.6480585802
3 √n
234.2673545852
4 √n
59.880281049609
5 √n
26.413567602358
1 , 2 , 4 , 8 , 21 , 42 , 84 , 103 , 168 , 206 , 412 , 743 , 824 , 1486 , 2163 , 2972 , 4326 , 5944 , 8652 , 15603 , 17304 , 31206 , 62412 , 76529 , 124824 , 153058 , 306116 , 612232 , 1607109 , 3214218 , 6428436 , 12856872
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
-12856871
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 12856872 can be divided by 32 positive divisors.
The sum of these divisors (counting 12856872) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001000010111000101000
3
Ternary
220012012022110
4
Quaternary
301002320220
5
Quinary
11242404442
6
Senary
1135322320
8
Octal
61027050
10
Decimal
12856872
12
Duodecimal
43803a0
16
Hexadecimal
c42e28
20
Vigesimal
40723c
36
Base36
7nkfc
md5
210493bed68ba1b0ec56e35f2e6e0056
sha1
079d85ca68e4ca75326dc1ee34f24d745de7b4cc
sha256
ea7912ff7c3c9a57d3cfe6e6ae97d49e5fc3b4bc6be8de8e80a0d1b3973b0c8f
sha512
4ab3bb6762cb569176a6fc0ec8a4d910879e50589b60ffacde5bdb8fdd799fb7a05f9c6ab38d7f83cc8fb492141ed8c110b5aa5e5006d52c35d5210a9f990354
ripemd-160
041e40d1a514c50b0b0609b9870c04cda51a2fd0
Diameter
25713744
Circumference
80782109.246689
Area
5.1930261923735E+14
Volume
8.9021430730657E+21
Surface area
2.0772104769494E+15
Circumference
80782109.246689
Perimeter
51427488
Area
165299157624384
Diagonal
18182362.752095
Surface area
991794945746304
Volume
2.1252301112845E+21
Space diagonal
22268755.53041
Perimeter
38570616
Area
71576634863442
Altitude
11134377.765205
Surface area
71576634863442
Volume
2.5046077054519E+20
Height
6060787.5840316