12420105 is an odd 8-digits composite number following 12420104
and preceding 12420106 . In scientific notation, it is written as 1.2420105 × 10^7.
The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors.
There are 6624048 positive integers (up to 12420105) that are relatively prime to 12420105.
12420105 has 8 divisors, whose sum is 19872192
The reverse of 12420105 is 50102421
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twelve million four hundred twenty thousand one hundred five
Scientific notation
1.2420105 × 10^7
Engineering notation
1.2420105 × 10^6
Prime Factorization
3 × 5 × 828007
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12420105
Product of the distinct prime numbers
The prime factorization of 12420105 is 3 × 5 × 828007.
Since it has a total of 3 prime factors.
10 , 7 , 34 , 27 , 16 , 551 , 258 , 6925 , 92399 , 65099 , 2797 , 672420 , 3729562 , 9057533 , 56768848 , 84026136 , 910767936 , 738582631 , 4355885602 , 1113510605
n×2
24840210
n×3
37260315
n×4
49680420
n×5
62100525
n÷2
6210052.5
n÷3
4140035
n÷3
3105026.25
n÷5
2484021
n2
154259008211025
n3
1.9159130791768E+21
n4
2.3795841614249E+28
n5
2.9554685141234E+35
2 √n
3524.216934299
3 √n
231.58393148889
4 √n
59.365115466063
5 √n
26.231616442846
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
-12420104
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 12420105 can be divided by 8 positive divisors.
The sum of these divisors (counting 12420105) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111011000010000001001
3
Ternary
212101000011220
4
Quaternary
233120100021
5
Quinary
11134420410
6
Senary
1122112253
8
Octal
57302011
10
Decimal
12420105
12
Duodecimal
41ab689
16
Hexadecimal
bd8409
20
Vigesimal
3hca55
36
Base36
7e7ex
md5
c3926971d66112086b7629982aad9377
sha1
f105929f343573685a1dcddb2c5005cd6c349733
sha256
b1aa8ff04aa6142c7761ee81ef04849c0a8d8b02d3a208a3ffd8c1cfe7a9294c
sha512
df6bdc3b960cc26d91cb7f0022062ad17e79354950e1a88427bf6ff6e02e8b61964f1f55c55cc72621a860adb9a72b9008b4bdc3b594003f3a8186206e3e9f75
ripemd-160
690a40ed7086ce897e7bdcc764ede90e50b18e33
Diameter
24840210
Circumference
78037821.249628
Area
4.846189669458E+14
Volume
8.0253579392779E+21
Surface area
1.9384758677832E+15
Circumference
78037821.249628
Perimeter
49680420
Area
154259008211025
Diagonal
17564680.937098
Surface area
925554049266150
Volume
1.9159130791768E+21
Space diagonal
21512252.89534
Perimeter
37260315
Area
66796109936670
Altitude
10756126.44767
Surface area
66796109936670
Volume
2.2579252174165E+20
Height
5854893.6456993