12987085 (number)

12987085 is an odd 8-digits composite number following 12987084 and preceding 12987086. In scientific notation, it is written as 1.2987085 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 10286400 positive integers (up to 12987085) that are relatively prime to 12987085.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-seven thousand eighty-five

Notation

Scientific notation 1.2987085 × 10^7
Engineering notation 1.2987085 × 10^6

Prime Factorization of 12987085

Prime Factorization 5 × 101 × 25717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12987085
Product of the distinct prime numbers

The prime factorization of 12987085 is 5 × 101 × 25717. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12987085)

Multiplication

n×y
n×2 25974170
n×3 38961255
n×4 51948340
n×5 64935425

Division

n÷y
n÷2 6493542.5
n÷3 4329028.3333333
n÷3 3246771.25
n÷5 2597417

Exponentiation

ny
n2 168664376797225
n3 2.1904585979376E+21
n4 2.8447672000396E+28
n5 3.6945233432127E+35

Nth Root

y√n
2√n 3603.7598421648
3√n 235.05557761988
4√n 60.031323841515
5√n 26.466854909663

Divisors of 12987085

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12987084
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12987085 can be divided by 8 positive divisors. The sum of these divisors (counting 12987085) is 1, the average is 0.125.

Base conversion 12987085

Base System Value
2 Binary 110001100010101011001101
3 Ternary 220102210221011
4 Quaternary 301202223031
5 Quinary 11311041320
6 Senary 1142205221
8 Octal 61425315
10 Decimal 12987085
12 Duodecimal 4423811
16 Hexadecimal c62acd
20 Vigesimal 4137e5
36 Base36 7qcwd

Cryptographic Hash Functions

md5 6fab5c0af56062bf5e12bf737ce13046
sha1 76ece3a80e1bf8f5661570c7ad7b9c3551ea9e46
sha256 fae21d9883c928af4676f2166b21834e9bbaca439b012d14daeed2fad13ce878
sha512 25589dc5d219c2730986c2b793753f6451b4beaa1ee6a92145420098385c48518b12dfd0a2feaa28a030604f78abf2f36ae5d10d5f61a4b1a29bb71779ed174d
ripemd-160 2c040232ead34ed91497fe28e16170179f57bf22

12987085 as geometric shapes

Circle

Radius = n
Diameter 25974170
Circumference 81600261.655092
Area 5.2987476706846E+14

Sphere

Radius = n
Volume 9.1753715190311E+21
Surface area 2.1194990682739E+15
Circumference 81600261.655092

Square

Length = n
Perimeter 51948340
Area 168664376797225
Diagonal 18366511.742692

Cube

Length = n
Surface area 1011986260783350
Volume 2.1904585979376E+21
Space diagonal 22494291.062216

Equilateral Triangle

Length = n
Perimeter 38961255
Area 73033817509934
Altitude 11247145.531108

Triangular Pyramid

Length = n
Surface area 73033817509934
Volume 2.5814802141834E+20
Height 6122170.5808974