12856985 is an odd 8-digits composite number following 12856984
and preceding 12856986 . In scientific notation, it is written as 1.2856985 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 9855360 positive integers (up to 12856985) that are relatively prime to 12856985.
12856985 has 16 divisors, whose sum is 16087680
The reverse of 12856985 is 58965821
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twelve million eight hundred fifty-six thousand nine hundred eighty-five
Scientific notation
1.2856985 × 10^7
Engineering notation
1.2856985 × 10^6
Prime Factorization
5 × 41 × 59 × 1063
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12856985
Product of the distinct prime numbers
The prime factorization of 12856985 is 5 × 41 × 59 × 1063.
Since it has a total of 4 prime factors.
5 , 8 , 64 , 84 , 974 , 407 , 8497 , 2089 , 62312 , 82107 , 920576 , 426881 , 8701501 , 2406518 , 44004828 , 39341312 , 352094281 , 609722336 , 5753288278 , 7695629807
n×2
25713970
n×3
38570955
n×4
51427940
n×5
64284925
n÷2
6428492.5
n÷3
4285661.6666667
n÷3
3214246.25
n÷5
2571397
n2
165302063290225
n3
2.1252861481915E+21
n4
2.7324772128006E+28
n5
3.5131418537819E+35
2 √n
3585.6638158087
3 √n
234.26804091423
4 √n
59.880412622232
5 √n
26.413614032355
1 , 5 , 41 , 59 , 205 , 295 , 1063 , 2419 , 5315 , 12095 , 43583 , 62717 , 217915 , 313585 , 2571397 , 12856985
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
-12856984
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 12856985 can be divided by 16 positive divisors.
The sum of these divisors (counting 12856985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001000010111010011001
3
Ternary
220012012110122
4
Quaternary
301002322121
5
Quinary
11242410420
6
Senary
1135323025
8
Octal
61027231
10
Decimal
12856985
12
Duodecimal
4380475
16
Hexadecimal
c42e99
20
Vigesimal
407295
36
Base36
7nkih
md5
c808b4c5c79f644d32b762e5dd536469
sha1
32cc31903f70888cf549f91ac51f31ee74b761da
sha256
e2235c70826c6570a059b6f52a29e107a8b1b48146ce1fdaf79484ce0394c903
sha512
014b725cd2881a9730af6f6380d12c86d194ba5dfdc50934f55f1218a80808aadd433b60e82036cd4b7e38e768113e0fdeb005915852ab7eb0fe2aa526bd2ce2
ripemd-160
01e414ea91c92fa6d5e8470cea02964d3fdb4f6e
Diameter
25713970
Circumference
80782819.246628
Area
5.1931174765581E+14
Volume
8.9023777999126E+21
Surface area
2.0772469906232E+15
Circumference
80782819.246628
Perimeter
51427940
Area
165302063290225
Diagonal
18182522.558227
Surface area
991812379741350
Volume
2.1252861481915E+21
Space diagonal
22268951.252151
Perimeter
38570955
Area
71577893053659
Altitude
11134475.626075
Surface area
71577893053659
Volume
2.50467374558E+20
Height
6060840.8527425