12690505 is an odd 8-digits composite number following 12690504
and preceding 12690506 . In scientific notation, it is written as 1.2690505 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10152400 positive integers (up to 12690505) that are relatively prime to 12690505.
12690505 has 4 divisors, whose sum is 15228612
The reverse of 12690505 is 50509621
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million six hundred ninety thousand five hundred five
Scientific notation
1.2690505 × 10^7
Engineering notation
1.2690505 × 10^6
Prime Factorization
5 × 2538101
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12690505
Product of the distinct prime numbers
The prime factorization of 12690505 is 5 × 2538101.
Since it has a total of 2 prime factors.
6 , 3 , 65 , 96 , 729 , 422 , 9320 , 4712 , 56233 , 87580 , 474905 , 680557 , 9217173 , 1729288 , 29218872 , 3217925 , 957129002 , 723512357 , 5670053188 , 2102898694
n×2
25381010
n×3
38071515
n×4
50762020
n×5
63452525
n÷2
6345252.5
n÷3
4230168.3333333
n÷3
3172626.25
n÷5
2538101
n2
161048917155025
n3
2.0437920884004E+21
n4
2.5936753716806E+28
n5
3.291505027269E+35
2 √n
3562.3735065262
3 √n
233.25249694145
4 √n
59.685622276443
5 √n
26.344853078069
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
-12690504
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 12690505 can be divided by 4 positive divisors.
The sum of these divisors (counting 12690505) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000011010010001001001
3
Ternary
212212202002201
4
Quaternary
300122101021
5
Quinary
11222044010
6
Senary
1132000201
8
Octal
60322111
10
Decimal
12690505
12
Duodecimal
4300061
16
Hexadecimal
c1a449
20
Vigesimal
3j6655
36
Base36
7k021
md5
8da2059b159030642b37cc3888859f0f
sha1
baf971092d099ca964299ba28d24b930606266b5
sha256
1f10200b250758a8e40f48109effbbd7bdd1e3bd9aa67b693a1534801067a762
sha512
84e58b3d149f086e5dadd25bd9f8277b5a055456cb742d721d8c03558861d727a8a69b3c156df93e9d6e1d33cc224b159ac15807c6a30a7b02c34c49ad3883b2
ripemd-160
172cf195e628ee9504bc8537f377f965e53434cf
Diameter
25381010
Circumference
79736794.556689
Area
5.0595009500282E+14
Volume
8.5610162805116E+21
Surface area
2.0238003800113E+15
Circumference
79736794.556689
Perimeter
50762020
Area
161048917155025
Diagonal
17947084.284364
Surface area
966293502930150
Volume
2.0437920884004E+21
Space diagonal
21980599.433707
Perimeter
38071515
Area
69736226754114
Altitude
10990299.716853
Surface area
69736226754114
Volume
2.4086320750723E+20
Height
5982361.4281212