12856638 is an even 8-digits composite number following 12856637
and preceding 12856639 . In scientific notation, it is written as 1.2856638 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 4285544 positive integers (up to 12856638) that are relatively prime to 12856638.
12856638 has 8 divisors, whose sum is 25713288
The reverse of 12856638 is 83665821
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million eight hundred fifty-six thousand six hundred thirty-eight
Scientific notation
1.2856638 × 10^7
Engineering notation
1.2856638 × 10^6
Prime Factorization
2 × 3 × 2142773
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12856638
Product of the distinct prime numbers
The prime factorization of 12856638 is 2 × 3 × 2142773.
Since it has a total of 3 prime factors.
7 , 3 , 44 , 47 , 498 , 517 , 1625 , 6201 , 18939 , 53162 , 72392 , 486093 , 2539907 , 2338853 , 30578967 , 96578498 , 541280451 , 363514312 , 8689516114 , 2639587544
n×2
25713276
n×3
38569914
n×4
51426552
n×5
64283190
n÷2
6428319
n÷3
4285546
n÷3
3214159.5
n÷5
2571327.6
n2
165293140663044
n3
2.1251140733878E+21
n4
2.7321822350253E+28
n5
3.5126677945751E+35
2 √n
3585.615428347
3 √n
234.26593332468
4 √n
59.880008586731
5 √n
26.413471454246
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
-12856637
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 12856638 can be divided by 8 positive divisors.
The sum of these divisors (counting 12856638) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001000010110100111110
3
Ternary
220012011222210
4
Quaternary
301002310332
5
Quinary
11242403023
6
Senary
1135321250
8
Octal
61026476
10
Decimal
12856638
12
Duodecimal
4380226
16
Hexadecimal
c42d3e
20
Vigesimal
4071bi
36
Base36
7nk8u
md5
74b05923cf346818addf010821a19480
sha1
dfc1b190d0fff54188c865dcc6e2488395e0f290
sha256
640c6e125cb28594654f981013d4f0d3e0c441a99100b0ec629b40c6c08b8bd6
sha512
98a86f5fc3f4af5ef298c8f8b1a0228c1161e94e5cbbe80867045092db9595db619393b278c39c87ac965a4b2aefa3dc83da5c72ef36a948d6997634af6d7665
ripemd-160
3223f7055d7022a6fe60db3e27e71fbbcca9d225
Diameter
25713276
Circumference
80780638.981327
Area
5.192837163958E+14
Volume
8.9016570146607E+21
Surface area
2.0771348655832E+15
Circumference
80780638.981327
Perimeter
51426552
Area
165293140663044
Diagonal
18182031.826121
Surface area
991758843978264
Volume
2.1251140733878E+21
Space diagonal
22268350.230521
Perimeter
38569914
Area
71574029442755
Altitude
11134175.11526
Surface area
71574029442755
Volume
2.5044709534792E+20
Height
6060677.2753738