12887656 is an even 8-digits composite number following 12887655
and preceding 12887657 . In scientific notation, it is written as 1.2887656 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 8 positive divisors.
There are 6443824 positive integers (up to 12887656) that are relatively prime to 12887656.
12887656 has 8 divisors, whose sum is 24164370
The reverse of 12887656 is 65678821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twelve million eight hundred eighty-seven thousand six hundred fifty-six
Scientific notation
1.2887656 × 10^7
Engineering notation
1.2887656 × 10^6
Prime Factorization
2 × 2 × 2 × 1610957
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3221914
Product of the distinct prime numbers
The prime factorization of 12887656 is 2 × 2 × 2 × 1610957.
Since it has a total of 4 prime factors.
5 , 7 , 45 , 87 , 564 , 861 , 4089 , 5709 , 82307 , 3568 , 613672 , 676432 , 5415510 , 4869253 , 85223439 , 37027855 , 128779696 , 531107868 , 5966112758 , 8990614114
n×2
25775312
n×3
38662968
n×4
51550624
n×5
64438280
n÷2
6443828
n÷3
4295885.3333333
n÷3
3221914
n÷5
2577531.2
n2
166091677174336
n3
2.1405323998859E+21
n4
2.7586445226584E+28
n5
3.5552461634305E+35
2 √n
3589.9381610273
3 √n
234.45417913819
4 √n
59.916092671563
5 √n
26.426204231628
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
-12887655
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 12887656 can be divided by 8 positive divisors.
The sum of these divisors (counting 12887656) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001010011001101000
3
Ternary
220020202112121
4
Quaternary
301022121220
5
Quinary
11244401111
6
Senary
1140121024
8
Octal
61123150
10
Decimal
12887656
12
Duodecimal
4396174
16
Hexadecimal
c4a668
20
Vigesimal
40aj2g
36
Base36
7o86g
md5
5b11b3f1fa8bf8853488f30ae530913f
sha1
1b1c09e2bc2260fea9c51cc0c48798e8c970b9dd
sha256
ef7c46b67ebf513053244146147c48c3a0be5735446a746fbcd6cbe9087386f6
sha512
9fc2b42916b58b022ad7431ddb5a3b4c962579311ba081049fde5d239e9b4c75091cf82e4a88ac72fc813777aa9bf7f506e6d1ec32b277797d86a4df4b8dfb98
ripemd-160
212301dee3873d926166525b3043a24385d5246e
Diameter
25775312
Circumference
80975530.823185
Area
5.217923928333E+14
Volume
8.9662411496699E+21
Surface area
2.0871695713332E+15
Circumference
80975530.823185
Perimeter
51550624
Area
166091677174336
Diagonal
18225897.902399
Surface area
996550063046016
Volume
2.1405323998859E+21
Space diagonal
22322074.98247
Perimeter
38662968
Area
71919805895069
Altitude
11161037.491235
Surface area
71919805895069
Volume
2.5226416255147E+20
Height
6075299.3007997