12856909 is an odd 8-digits composite number following 12856908
and preceding 12856910 . In scientific notation, it is written as 1.2856909 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 11275200 positive integers (up to 12856909) that are relatively prime to 12856909.
12856909 has 16 divisors, whose sum is 14554624
The reverse of 12856909 is 90965821
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million eight hundred fifty-six thousand nine hundred nine
Scientific notation
1.2856909 × 10^7
Engineering notation
1.2856909 × 10^6
Prime Factorization
31 × 13 × 61 × 523
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12856909
Product of the distinct prime numbers
The prime factorization of 12856909 is 31 × 13 × 61 × 523.
Since it has a total of 4 prime factors.
1 , 3 , 36 , 52 , 207 , 336 , 1559 , 8495 , 88044 , 83628 , 301624 , 152025 , 1934870 , 826373 , 49711607 , 73652397 , 728503395 , 979425383 , 3219787717 , 1932284
n×2
25713818
n×3
38570727
n×4
51427636
n×5
64284545
n÷2
6428454.5
n÷3
4285636.3333333
n÷3
3214227.25
n÷5
2571381.8
n2
165300109034281
n3
2.1252484595438E+21
n4
2.7324126046745E+28
n5
3.5130380208753E+35
2 √n
3585.6532180343
3 √n
234.26757931284
4 √n
59.880324131006
5 √n
26.413582805136
1 , 13 , 31 , 61 , 403 , 523 , 793 , 1891 , 6799 , 16213 , 24583 , 31903 , 210769 , 414739 , 988993 , 12856909
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
-12856908
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 12856909 can be divided by 16 positive divisors.
The sum of these divisors (counting 12856909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001000010111001001101
3
Ternary
220012012100211
4
Quaternary
301002321031
5
Quinary
11242410114
6
Senary
1135322421
8
Octal
61027115
10
Decimal
12856909
12
Duodecimal
4380411
16
Hexadecimal
c42e4d
20
Vigesimal
407259
36
Base36
7nkgd
md5
57bff81974f4ee3d298f13d79941b8e7
sha1
85ba1d82eb2ba64cbad505c61f05a957e1bcbf45
sha256
0233064a9ad5201c76ad97dcd480d00c823e0498a389fa2a905cf7df98cafd68
sha512
de3785d806be37c425ba00cf336701b986893e4f22dea35290b3c9a9b9822753bf595b363a3b0d5e58742862fdfd7720272b4af349ab2986ed564b34923734ab
ripemd-160
bf5f97f58617f2a0c21fd2e22050521346ca5e17
Diameter
25713818
Circumference
80782341.724545
Area
5.1930560817969E+14
Volume
8.9022199300746E+21
Surface area
2.0772224327188E+15
Circumference
80782341.724545
Perimeter
51427636
Area
165300109034281
Diagonal
18182415.077997
Surface area
991800654205686
Volume
2.1252484595438E+21
Space diagonal
22268819.61629
Perimeter
38570727
Area
71577046836012
Altitude
11134409.808145
Surface area
71577046836012
Volume
2.5046293290828E+20
Height
6060805.0259989