12987551 is an odd 8-digits prime number following 12987550
and preceding 12987552 . In scientific notation, it is written as 1.2987551 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 12987550 positive integers (up to 12987551) that are relatively prime to 12987551.
12987551 has 2 divisors, whose sum is 12987552
The reverse of 12987551 is 15578921
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million nine hundred eighty-seven thousand five hundred fifty-one
Scientific notation
1.2987551 × 10^7
Engineering notation
1.2987551 × 10^6
Prime Factorization
12987551
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12987551
Product of the distinct prime numbers
The prime factorization of 12987551 is 12987551.
Since it has a total of 1 prime factors.
8 , 5 , 38 , 80 , 827 , 816 , 1297 , 9595 , 4771 , 13728 , 720480 , 715476 , 6299941 , 8810432 , 27722971 , 8957264 , 118612086 , 576059808 , 3178316529 , 899332742
n×2
25975102
n×3
38962653
n×4
51950204
n×5
64937755
n÷2
6493775.5
n÷3
4329183.6666667
n÷3
3246887.75
n÷5
2597510.2
n2
168676480977601
n3
2.1906943991971E+21
n4
2.8451755234987E+28
n5
3.6951862215391E+35
2 √n
3603.8244962817
3 √n
235.05838899208
4 √n
60.031862342274
5 √n
26.467044842621
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12987552
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6493776
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3603.8246350232
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998460064
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12987551 can be divided by 2 positive divisors.
The sum of these divisors (counting 12987551) is 12987552, the average is 6493776.
Base
System
Value
2
Binary
110001100010110010011111
3
Ternary
220102211120102
4
Quaternary
301202302133
5
Quinary
11311100201
6
Senary
1142211315
8
Octal
61426237
10
Decimal
12987551
12
Duodecimal
4423b3b
16
Hexadecimal
c62c9f
20
Vigesimal
4138hb
36
Base36
7qd9b
md5
743a534c66f05a12d2a98217017fbfd7
sha1
9ebc3e0095a1b2791491c74680a579b4724ad955
sha256
952e5bdcf7aa3a2deb3a5bfb4bb74a6ddfa1042a6b1de2e8a45a82ca884a1d3d
sha512
8e5b73af10bde2de1dc9551a4d9ce9b1561ec54a6507d1313b83d61ded827a29a1bee0060c6491880582d82ddf867aa3490b4d692db7b6bf7bad79b248c00b03
ripemd-160
1e5e4c7f0ce9c3caa92e6ecece1a20137c28e506
Diameter
25975102
Circumference
81603189.619446
Area
5.2991279347261E+14
Volume
9.1763592410373E+21
Surface area
2.1196511738904E+15
Circumference
81603189.619446
Perimeter
51950204
Area
168676480977601
Diagonal
18367170.766212
Surface area
1012058885865606
Volume
2.1906943991971E+21
Space diagonal
22495098.197892
Perimeter
38962653
Area
73039058773783
Altitude
11247549.098946
Surface area
73039058773783
Volume
2.5817581086328E+20
Height
6122390.2554041