12656421 is an odd 8-digits composite number following 12656420
and preceding 12656422 . In scientific notation, it is written as 1.2656421 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 8335464 positive integers (up to 12656421) that are relatively prime to 12656421.
12656421 has 8 divisors, whose sum is 14232960
The reverse of 12656421 is 12465621
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million six hundred fifty-six thousand four hundred twenty-one
Scientific notation
1.2656421 × 10^7
Engineering notation
1.2656421 × 10^6
Prime Factorization
9 × 83 × 16943
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12656421
Product of the distinct prime numbers
The prime factorization of 12656421 is 9 × 83 × 16943.
Since it has a total of 3 prime factors.
6 , 10 , 4 , 44 , 995 , 416 , 2911 , 2977 , 66309 , 75071 , 53746 , 409329 , 9635211 , 5325029 , 56336559 , 31636567 , 246663748 , 115306099 , 9029764803 , 9106364541
n×2
25312842
n×3
37969263
n×4
50625684
n×5
63282105
n÷2
6328210.5
n÷3
4218807
n÷3
3164105.25
n÷5
2531284.2
n2
160184992529241
n3
2.0273687033319E+21
n4
2.5659231831593E+28
n5
3.2475404059724E+35
2 √n
3557.5864009185
3 √n
233.0434874959
4 √n
59.645506125093
5 √n
26.330686514988
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
-12656420
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 12656421 can be divided by 8 positive divisors.
The sum of these divisors (counting 12656421) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000010001111100100101
3
Ternary
212211000100100
4
Quaternary
300101330211
5
Quinary
11220001141
6
Senary
1131134313
8
Octal
60217445
10
Decimal
12656421
12
Duodecimal
42a4399
16
Hexadecimal
c11f25
20
Vigesimal
3j2111
36
Base36
7j9r9
md5
6ece5b4fbffdfd81f36d0bd36abd04d3
sha1
979c62e495862a99b8a1439a6b8e13390db9fed6
sha256
e48a6e601a65416e35c0c95500c12f0cdcd029e878ea5741148742294020ab68
sha512
8d22024e7fe18bea6e1bcf79006821316d35ad619b4ad01b2a8a24bb68447f28e3221f992aa697eae7ea8b840cdc31111ad75275d11e08eb51097e7ea4b1c754
ripemd-160
e3eadfdbe2191b3ed7090cc0578c570ce828d145
Diameter
25312842
Circumference
79522638.468679
Area
5.032359957452E+14
Volume
8.4922221660073E+21
Surface area
2.0129439829808E+15
Circumference
79522638.468679
Perimeter
50625684
Area
160184992529241
Diagonal
17898882.229304
Surface area
961109955175446
Volume
2.0273687033319E+21
Space diagonal
21921564.213982
Perimeter
37969263
Area
69362136417672
Altitude
10960782.106991
Surface area
69362136417672
Volume
2.3892769301523E+20
Height
5966294.0764346