12856845 is an odd 8-digits composite number following 12856844
and preceding 12856846 . In scientific notation, it is written as 1.2856845 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6386688 positive integers (up to 12856845) that are relatively prime to 12856845.
12856845 has 16 divisors, whose sum is 14671872
The reverse of 12856845 is 54865821
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million eight hundred fifty-six thousand eight hundred forty-five
Scientific notation
1.2856845 × 10^7
Engineering notation
1.2856845 × 10^6
Prime Factorization
15 × 17 × 127 × 397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12856845
Product of the distinct prime numbers
The prime factorization of 12856845 is 15 × 17 × 127 × 397.
Since it has a total of 4 prime factors.
7 , 9 , 58 , 23 , 13 , 27 , 3525 , 457 , 96699 , 52036 , 571871 , 356069 , 3136737 , 6594552 , 90598978 , 96223898 , 946679229 , 464500692 , 4775810770 , 2592872238
n×2
25713690
n×3
38570535
n×4
51427380
n×5
64284225
n÷2
6428422.5
n÷3
4285615
n÷3
3214211.25
n÷5
2571369
n2
165298463354025
n3
2.1252167220809E+21
n4
2.7323581987202E+28
n5
3.5129505845425E+35
2 √n
3585.6442935685
3 √n
234.26719059448
4 √n
59.880249611775
5 √n
26.413556508417
1 , 15 , 17 , 127 , 255 , 397 , 1905 , 2159 , 5955 , 6749 , 32385 , 50419 , 101235 , 756285 , 857123 , 12856845
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
-12856844
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 12856845 can be divided by 16 positive divisors.
The sum of these divisors (counting 12856845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001000010111000001101
3
Ternary
220012012021110
4
Quaternary
301002320031
5
Quinary
11242404340
6
Senary
1135322233
8
Octal
61027015
10
Decimal
12856845
12
Duodecimal
4380379
16
Hexadecimal
c42e0d
20
Vigesimal
407225
36
Base36
7nkel
md5
bfa188324d501af8974652e99230ae0a
sha1
87e8ae2d7d51535ff09336490d35967000115e60
sha256
8fe81e4ca1d9767ebe25539bfc163a1c0fa6589eb5fdd2261ad06462375c0ec2
sha512
694be6aa25da408cf884f20d059020b77ccb38e8aab5d20c4b4c29bd18d97044d24f8b6e69372726a486cbcb87ce97c698529264dd1a151583a8b45261bca46c
ripemd-160
5547870cd27ad8a4495a2437a70d39d9baf839cf
Diameter
25713690
Circumference
80781939.600685
Area
5.1930043812269E+14
Volume
8.9020869885006E+21
Surface area
2.0772017524907E+15
Circumference
80781939.600685
Perimeter
51427380
Area
165298463354025
Diagonal
18182324.568329
Surface area
991790780124150
Volume
2.1252167220809E+21
Space diagonal
22268708.765038
Perimeter
38570535
Area
71576334235558
Altitude
11134354.382519
Surface area
71576334235558
Volume
2.5045919261241E+20
Height
6060774.8561096