12856945 is an odd 8-digits composite number following 12856944
and preceding 12856946 . In scientific notation, it is written as 1.2856945 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 10007424 positive integers (up to 12856945) that are relatively prime to 12856945.
12856945 has 8 divisors, whose sum is 15845544
The reverse of 12856945 is 54965821
Previous prime number is 37
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 forty-five
Scientific notation
1.2856945 × 10^7
Engineering notation
1.2856945 × 10^6
Prime Factorization
5 × 37 × 69497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12856945
Product of the distinct prime numbers
The prime factorization of 12856945 is 5 × 37 × 69497.
Since it has a total of 3 prime factors.
3 , 5 , 31 , 40 , 259 , 897 , 8273 , 3397 , 84035 , 28631 , 935250 , 569576 , 6103212 , 9464123 , 88481053 , 49312634 , 380336240 , 19187304 , 4533280945 , 5377447395
n×2
25713890
n×3
38570835
n×4
51427780
n×5
64284725
n÷2
6428472.5
n÷3
4285648.3333333
n÷3
3214236.25
n÷5
2571389
n2
165301034733025
n3
2.1252663120056E+21
n4
2.7324432083809E+28
n5
3.5130872045776E+35
2 √n
3585.6582380366
3 √n
234.26779796636
4 √n
59.880366047951
5 √n
26.413597596995
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
-12856944
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 12856945 can be divided by 8 positive divisors.
The sum of these divisors (counting 12856945) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001000010111001110001
3
Ternary
220012012102011
4
Quaternary
301002321301
5
Quinary
11242410240
6
Senary
1135322521
8
Octal
61027161
10
Decimal
12856945
12
Duodecimal
4380441
16
Hexadecimal
c42e71
20
Vigesimal
407275
36
Base36
7nkhd
md5
94691a8311c13895ab155877da7e5367
sha1
b2afd3c151974d789929419b7153a7d88d6ace13
sha256
b2e84a5e632c2d328acc2426e1c94faf4d1b92d091c5cb8bae1f5c3c7b97ba32
sha512
440e1c9a949d22981d605fa1f77485c96036bfc0bfdfdeb6704de33e48c066305b6ab258aede33acc0327bfcd6ffa13f795a252fb965e3a4b1607f889aa29347
ripemd-160
42820e051540b253a6edf548fdbc41b4b0e39679
Diameter
25713890
Circumference
80782567.919216
Area
5.1930851634806E+14
Volume
8.9022947102915E+21
Surface area
2.0772340653923E+15
Circumference
80782567.919216
Perimeter
51427780
Area
165301034733025
Diagonal
18182465.989685
Surface area
991806208398150
Volume
2.1252663120056E+21
Space diagonal
22268881.970119
Perimeter
38570835
Area
71577447675327
Altitude
11134440.985059
Surface area
71577447675327
Volume
2.5046503684108E+20
Height
6060821.9965617