12687538 is an even 8-digits composite number following 12687537
and preceding 12687539 . In scientific notation, it is written as 1.2687538 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 6343768 positive integers (up to 12687538) that are relatively prime to 12687538.
12687538 has 4 divisors, whose sum is 19031310
The reverse of 12687538 is 83578621
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million six hundred eighty-seven thousand five hundred thirty-eight
Scientific notation
1.2687538 × 10^7
Engineering notation
1.2687538 × 10^6
Prime Factorization
2 × 6343769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12687538
Product of the distinct prime numbers
The prime factorization of 12687538 is 2 × 6343769.
Since it has a total of 2 prime factors.
3 , 1 , 30 , 52 , 848 , 402 , 4482 , 3779 , 4701 , 96665 , 297869 , 869179 , 5780900 , 1510009 , 40737433 , 33528463 , 836974146 , 860796013 , 1499882550 , 5546213536
n×2
25375076
n×3
38062614
n×4
50750152
n×5
63437690
n÷2
6343769
n÷3
4229179.3333333
n÷3
3171884.5
n÷5
2537507.6
n2
160973620501444
n3
2.0423589271096E+21
n4
2.5912506497343E+28
n5
3.2876591086029E+35
2 √n
3561.957046344
3 √n
233.23431762552
4 √n
59.682133393035
5 √n
26.343621094156
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
-12687537
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 12687538 can be divided by 4 positive divisors.
The sum of these divisors (counting 12687538) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000011001100010110010
3
Ternary
212212121000211
4
Quaternary
300121202302
5
Quinary
11222000123
6
Senary
1131534334
8
Octal
60314262
10
Decimal
12687538
12
Duodecimal
42ba3aa
16
Hexadecimal
c198b2
20
Vigesimal
3j5igi
36
Base36
7jxrm
md5
e403fa8f87be12e6d3773e3a6bc93a5d
sha1
c6c526b3315ca2817d0daa4e09d78873bfa75486
sha256
c7feb8103cf0a6d14239aa240c696ab70798e96c53f572dea2e0a2145b945611
sha512
326bd3c3cf52fffea82ee7ccb6dccd9f29065b154be1809355a88215a1caa76b7f80237850dc74b35429ac87c0055fbc4e9dfc2ba064ded7ae4a39e470f01a16
ripemd-160
74c74fd160730c205c34b56bd143a0b8619854f2
Diameter
25375076
Circumference
79718152.345883
Area
5.0571354358909E+14
Volume
8.5550130685349E+21
Surface area
2.0228541743564E+15
Circumference
79718152.345883
Perimeter
50750152
Area
160973620501444
Diagonal
17942888.312724
Surface area
965841723008664
Volume
2.0423589271096E+21
Space diagonal
21975460.438961
Perimeter
38062614
Area
69703622346703
Altitude
10987730.21948
Surface area
69703622346703
Volume
2.4069430782935E+20
Height
5980962.770908