12987557 is an odd 8-digits composite number following 12987556
and preceding 12987558 . In scientific notation, it is written as 1.2987557 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 11555200 positive integers (up to 12987557) that are relatively prime to 12987557.
12987557 has 4 divisors, whose sum is 13013196
The reverse of 12987557 is 75578921
Previous prime number is 517
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twelve million nine hundred eighty-seven thousand five hundred fifty-seven
Scientific notation
1.2987557 × 10^7
Engineering notation
1.2987557 × 10^6
Prime Factorization
517 × 25121
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12987557
Product of the distinct prime numbers
The prime factorization of 12987557 is 517 × 25121.
Since it has a total of 2 prime factors.
10 , 1 , 40 , 17 , 93 , 132 , 637 , 4101 , 17228 , 25682 , 898216 , 594333 , 4457011 , 9795984 , 37391894 , 12601601 , 773916113 , 640993641 , 3707103350 , 3707149480
n×2
25975114
n×3
38962671
n×4
51950228
n×5
64937785
n÷2
6493778.5
n÷3
4329185.6666667
n÷3
3246889.25
n÷5
2597511.4
n2
168676636828249
n3
2.1906974353752E+21
n4
2.8451807811689E+28
n5
3.6951947570736E+35
2 √n
3603.8253287306
3 √n
235.05842518956
4 √n
60.031869275665
5 √n
26.467047288075
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
-12987556
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 12987557 can be divided by 4 positive divisors.
The sum of these divisors (counting 12987557) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100010110010100101
3
Ternary
220102211120122
4
Quaternary
301202302211
5
Quinary
11311100212
6
Senary
1142211325
8
Octal
61426245
10
Decimal
12987557
12
Duodecimal
4423b45
16
Hexadecimal
c62ca5
20
Vigesimal
4138hh
36
Base36
7qd9h
md5
33a974c72f2d839dfca4dbc43d3f3900
sha1
a25897671ce4092d4400e389cd78b104f45f9c4a
sha256
2b388c6a7183f1adbc2fb4e75c8b153944d2bd47d9676c465edb461eff4fa52e
sha512
0c1c37e2f53fa6fd909f2316d6b8938ba4afd10a1967c31d06eba00c7d9c277b1af65c92f37b2eb5829c3fe6fb6f0b25e07dd7c474e6d906b1ca3310a9e0fbdf
ripemd-160
aa3f6ec6906b42a31c02319b92159f40e19e71b8
Diameter
25975114
Circumference
81603227.318557
Area
5.2991328309186E+14
Volume
9.1763719589502E+21
Surface area
2.1196531323674E+15
Circumference
81603227.318557
Perimeter
51950228
Area
168676636828249
Diagonal
18367179.251494
Surface area
1012059820969494
Volume
2.1906974353752E+21
Space diagonal
22495108.590197
Perimeter
38962671
Area
73039126259093
Altitude
11247554.295098
Surface area
73039126259093
Volume
2.581761686803E+20
Height
6122393.0838312