12856988 is an even 8-digits composite number following 12856987
and preceding 12856989 . In scientific notation, it is written as 1.2856988 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors.
There are 6428492 positive integers (up to 12856988) that are relatively prime to 12856988.
12856988 has 6 divisors, whose sum is 22499736
The reverse of 12856988 is 88965821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twelve million eight hundred fifty-six thousand nine hundred eighty-eight
Scientific notation
1.2856988 × 10^7
Engineering notation
1.2856988 × 10^6
Prime Factorization
2 × 2 × 3214247
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
6428494
Product of the distinct prime numbers
The prime factorization of 12856988 is 2 × 2 × 3214247.
Since it has a total of 3 prime factors.
1 , 7 , 40 , 10 , 416 , 362 , 5903 , 8361 , 64013 , 82895 , 694413 , 121367 , 785373 , 9819019 , 23863060 , 58068015 , 202820536 , 638271106 , 9075833811 , 4090746127
n×2
25713976
n×3
38570964
n×4
51427952
n×5
64284940
n÷2
6428494
n÷3
4285662.6666667
n÷3
3214247
n÷5
2571397.6
n2
165302140432144
n3
2.1252876359104E+21
n4
2.7324797631448E+28
n5
3.5131459524996E+35
2 √n
3585.6642341413
3 √n
234.2680591353
4 √n
59.880416115298
5 √n
26.413615265005
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12856987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12856988 can be divided by 6 positive divisors.
The sum of these divisors (counting 12856988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
110001000010111010011100
3
Ternary
220012012110202
4
Quaternary
301002322130
5
Quinary
11242410423
6
Senary
1135323032
8
Octal
61027234
10
Decimal
12856988
12
Duodecimal
4380478
16
Hexadecimal
c42e9c
20
Vigesimal
407298
36
Base36
7nkik
md5
c1be9539938e230e97dafd9998550f55
sha1
d296420109e297ba4a55cd1d106f50f226be8ea5
sha256
d8c4dbcbe855104632a8672690cabea3307a77d80b5b82ee4fc40d3954ed1d35
sha512
a5b2552382744101b7efe5867a4986da517b32d00179eb7045561d22524f68e35cb1dfd730fa18d160d8dfbecc48dae641243d55124a6d9032e94b1c368fd04c
ripemd-160
fd4718df79303f90b927c166fa09df499ac810f9
Diameter
25713976
Circumference
80782838.096184
Area
5.1931199000429E+14
Volume
8.9023840316551E+21
Surface area
2.0772479600172E+15
Circumference
80782838.096184
Perimeter
51427952
Area
165302140432144
Diagonal
18182526.800868
Surface area
991812842592864
Volume
2.1252876359104E+21
Space diagonal
22268956.448303
Perimeter
38570964
Area
71577926457090
Altitude
11134478.224152
Surface area
71577926457090
Volume
2.5046754988736E+20
Height
6060842.266956