12987768 is an even 8-digits composite number following 12987767
and preceding 12987769 . In scientific notation, it is written as 1.2987768 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 32 positive divisors.
There are 4290048 positive integers (up to 12987768) that are relatively prime to 12987768.
12987768 has 32 divisors, whose sum is 32763600
The reverse of 12987768 is 86778921
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
twelve million nine hundred eighty-seven thousand seven hundred sixty-eight
Scientific notation
1.2987768 × 10^7
Engineering notation
1.2987768 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 113 × 4789
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3246942
Product of the distinct prime numbers
The prime factorization of 12987768 is 2 × 2 × 2 × 3 × 113 × 4789.
Since it has a total of 6 prime factors.
6 , 4 , 82 , 29 , 452 , 387 , 2553 , 7400 , 17666 , 91080 , 833593 , 732299 , 938754 , 8376054 , 94108818 , 34448992 , 782941087 , 922804787 , 8765148722 , 9171110933
n×2
25975536
n×3
38963304
n×4
51951072
n×5
64938840
n÷2
6493884
n÷3
4329256
n÷3
3246942
n÷5
2597553.6
n2
168682117621824
n3
2.190804209421E+21
n4
2.8453656805383E+28
n5
3.6954949333993E+35
2 √n
3603.8546030605
3 √n
235.05969812743
4 √n
60.032113098411
5 √n
26.467133285937
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 113 , 226 , 339 , 452 , 678 , 904 , 1356 , 2712 , 4789 , 9578 , 14367 , 19156 , 28734 , 38312 , 57468 , 114936 , 541157 , 1082314 , 1623471 , 2164628 , 3246942 , 4329256 , 6493884 , 12987768
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12987767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12987768 can be divided by 32 positive divisors.
The sum of these divisors (counting 12987768) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110001100010110101111000
3
Ternary
220102211212110
4
Quaternary
301202311320
5
Quinary
11311102033
6
Senary
1142212320
8
Octal
61426570
10
Decimal
12987768
12
Duodecimal
44240a0
16
Hexadecimal
c62d78
20
Vigesimal
413988
36
Base36
7qdfc
md5
0253e1887f188e8de2cc46136643dfe0
sha1
c38e3f839919b2deb72ba7c5a754ef5bfd20ba20
sha256
a168f3f01da379fe793fae84c98312ff349c2e692af70c825b9dcef578bef94e
sha512
e75b2eaaff3ee4c8dd88dcb53a70f6870ef45c1457a24090320f9023108207465db96363180cf18577e80792379f9903581eadf974147584631f7485a29dcf87
ripemd-160
d8d388066a35a0493ff7859569fc9bc7300299a7
Diameter
25975536
Circumference
81604553.070657
Area
5.2993050151269E+14
Volume
9.1768192130273E+21
Surface area
2.1197220060508E+15
Circumference
81604553.070657
Perimeter
51951072
Area
168682117621824
Diagonal
18367477.650555
Surface area
1012092705730944
Volume
2.190804209421E+21
Space diagonal
22495474.052917
Perimeter
38963304
Area
73041499512327
Altitude
11247737.026459
Surface area
73041499512327
Volume
2.5818875212227E+20
Height
6122492.5501851