12786987 is an odd 8-digits composite number following 12786986
and preceding 12786988 . In scientific notation, it is written as 1.2786987 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 8524656 positive integers (up to 12786987) that are relatively prime to 12786987.
12786987 has 4 divisors, whose sum is 17049320
The reverse of 12786987 is 78968721
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twelve million seven hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
1.2786987 × 10^7
Engineering notation
1.2786987 × 10^6
Prime Factorization
3 × 4262329
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12786987
Product of the distinct prime numbers
The prime factorization of 12786987 is 3 × 4262329.
Since it has a total of 2 prime factors.
5 , 9 , 53 , 40 , 986 , 853 , 33 , 9393 , 36522 , 62648 , 41005 , 51710 , 7807161 , 7143529 , 7282998 , 81994046 , 17456376 , 276298604 , 2167953698 , 7220856673
n×2
25573974
n×3
38360961
n×4
51147948
n×5
63934935
n÷2
6393493.5
n÷3
4262329
n÷3
3196746.75
n÷5
2557397.4
n2
163507036538169
n3
2.0907623506221E+21
n4
2.6734550997494E+28
n5
3.4185435605579E+35
2 √n
3575.8896795063
3 √n
233.84212083913
4 √n
59.798743126477
5 √n
26.384790170676
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12786986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12786987 can be divided by 4 positive divisors.
The sum of these divisors (counting 12786987) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000110001110100101011
3
Ternary
220001122110010
4
Quaternary
300301310223
5
Quinary
11233140422
6
Senary
1134023003
8
Octal
60616453
10
Decimal
12786987
12
Duodecimal
4347a63
16
Hexadecimal
c31d2b
20
Vigesimal
3ji797
36
Base36
7m2i3
md5
4ad513fff4a3ad4f5c45f15861e584d2
sha1
216cbcb84a9ca306458ca49d90977b58c2996c18
sha256
b2aa318a5465ec40129ebcf38b199de04c712bbb05c77312ef3a756f790bc491
sha512
8d382a8eeae51e49c6b9ebfe3a6fa8bb532c5d31807476c4e790a599ec3cbf38a734d15c2d831a5aa4106b4ecfab87be2ac9e31c308d96709181860226423a65
ripemd-160
77e76f2890bc2848edddf8c688751a5d30909f97
Diameter
25573974
Circumference
80343008.841496
Area
5.1367250479855E+14
Volume
8.757764854822E+21
Surface area
2.0546900191942E+15
Circumference
80343008.841496
Perimeter
51147948
Area
163507036538169
Diagonal
18083530.437288
Surface area
981042219229014
Volume
2.0907623506221E+21
Space diagonal
22147711.159723
Perimeter
38360961
Area
70800623669782
Altitude
11073855.579861
Surface area
70800623669782
Volume
2.4639870599573E+20
Height
6027843.4790962