12687538 (number)

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.

Interesting facts

Basic properties

Name

Name twelve million six hundred eighty-seven thousand five hundred thirty-eight

Notation

Scientific notation 1.2687538 × 10^7
Engineering notation 1.2687538 × 10^6

Prime Factorization of 12687538

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.

Most popular turbo-numbers

Basic calculations (n = 12687538)

Multiplication

n×y
n×2 25375076
n×3 38062614
n×4 50750152
n×5 63437690

Division

n÷y
n÷2 6343769
n÷3 4229179.3333333
n÷3 3171884.5
n÷5 2537507.6

Exponentiation

ny
n2 160973620501444
n3 2.0423589271096E+21
n4 2.5912506497343E+28
n5 3.2876591086029E+35

Nth Root

y√n
2√n 3561.957046344
3√n 233.23431762552
4√n 59.682133393035
5√n 26.343621094156

Divisors of 12687538

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 conversion 12687538

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

Cryptographic Hash Functions

md5 e403fa8f87be12e6d3773e3a6bc93a5d
sha1 c6c526b3315ca2817d0daa4e09d78873bfa75486
sha256 c7feb8103cf0a6d14239aa240c696ab70798e96c53f572dea2e0a2145b945611
sha512 326bd3c3cf52fffea82ee7ccb6dccd9f29065b154be1809355a88215a1caa76b7f80237850dc74b35429ac87c0055fbc4e9dfc2ba064ded7ae4a39e470f01a16
ripemd-160 74c74fd160730c205c34b56bd143a0b8619854f2

12687538 as geometric shapes

Circle

Radius = n
Diameter 25375076
Circumference 79718152.345883
Area 5.0571354358909E+14

Sphere

Radius = n
Volume 8.5550130685349E+21
Surface area 2.0228541743564E+15
Circumference 79718152.345883

Square

Length = n
Perimeter 50750152
Area 160973620501444
Diagonal 17942888.312724

Cube

Length = n
Surface area 965841723008664
Volume 2.0423589271096E+21
Space diagonal 21975460.438961

Equilateral Triangle

Length = n
Perimeter 38062614
Area 69703622346703
Altitude 10987730.21948

Triangular Pyramid

Length = n
Surface area 69703622346703
Volume 2.4069430782935E+20
Height 5980962.770908