12642785 is an odd 8-digits composite number following 12642784
and preceding 12642786 . In scientific notation, it is written as 1.2642785 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 10114224 positive integers (up to 12642785) that are relatively prime to 12642785.
12642785 has 4 divisors, whose sum is 15171348
The reverse of 12642785 is 58724621
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million six hundred forty-two thousand seven hundred eighty-five
Scientific notation
1.2642785 × 10^7
Engineering notation
1.2642785 × 10^6
Prime Factorization
5 × 2528557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12642785
Product of the distinct prime numbers
The prime factorization of 12642785 is 5 × 2528557.
Since it has a total of 2 prime factors.
3 , 6 , 9 , 13 , 610 , 613 , 1515 , 9715 , 93190 , 8938 , 762979 , 249210 , 5170150 , 4958034 , 69540465 , 76785367 , 690665116 , 701590833 , 6284696416 , 8349349208
n×2
25285570
n×3
37928355
n×4
50571140
n×5
63213925
n÷2
6321392.5
n÷3
4214261.6666667
n÷3
3160696.25
n÷5
2528557
n2
159840012556225
n3
2.0208229131457E+21
n4
2.5548829613974E+28
n5
3.2300835981111E+35
2 √n
3555.6694165797
3 √n
232.95976390812
4 √n
59.629434146063
5 √n
26.325010343577
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12642784
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12642785 can be divided by 4 positive divisors.
The sum of these divisors (counting 12642785) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000001110100111100001
3
Ternary
212210022122022
4
Quaternary
300032213201
5
Quinary
11214032120
6
Senary
1130551225
8
Octal
60164741
10
Decimal
12642785
12
Duodecimal
4298515
16
Hexadecimal
c0e9e1
20
Vigesimal
3j06j5
36
Base36
7iz8h
md5
4fef01355aeb1e23a8d1b8de386ce27d
sha1
4e90602d1fa45127d02272bde89617595609b995
sha256
eb599b68afd44d6a75be36faef479da6d1b1e0567140efe13b819592a33437ce
sha512
0a354ce6e607e621f9e805c87f148c547a9f322b24d238959424282a2d90d02dbba449d0efc2b8c760977ae6540f210693383990749e85b9c261c2eabe149938
ripemd-160
69973ac62f00b923a1678b1526e085a6193d8a20
Diameter
25285570
Circumference
79436960.95383
Area
5.0215220919634E+14
Volume
8.4648032241924E+21
Surface area
2.0086088367853E+15
Circumference
79436960.95383
Perimeter
50571140
Area
159840012556225
Diagonal
17879598.013167
Surface area
959040075337350
Volume
2.0208229131457E+21
Space diagonal
21897945.96917
Perimeter
37928355
Area
69212755707457
Altitude
10948972.984585
Surface area
69212755707457
Volume
2.3815626424374E+20
Height
5959866.004389