12642785 (number)

12642785 is an odd 8-digits composite number following 12642784 and preceding 12642786. In scientific notation, it is written as 1.2642785 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 10114224 positive integers (up to 12642785) that are relatively prime to 12642785.

Interesting facts

Basic properties

Name

Name twelve million six hundred forty-two thousand seven hundred eighty-five

Notation

Scientific notation 1.2642785 × 10^7
Engineering notation 1.2642785 × 10^6

Prime Factorization of 12642785

Prime Factorization 5 × 2528557

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12642785
Product of the distinct prime numbers

The prime factorization of 12642785 is 5 × 2528557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12642785)

Multiplication

n×y
n×2 25285570
n×3 37928355
n×4 50571140
n×5 63213925

Division

n÷y
n÷2 6321392.5
n÷3 4214261.6666667
n÷3 3160696.25
n÷5 2528557

Exponentiation

ny
n2 159840012556225
n3 2.0208229131457E+21
n4 2.5548829613974E+28
n5 3.2300835981111E+35

Nth Root

y√n
2√n 3555.6694165797
3√n 232.95976390812
4√n 59.629434146063
5√n 26.325010343577

Divisors of 12642785

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 -12642784
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 12642785 can be divided by 4 positive divisors. The sum of these divisors (counting 12642785) is 1, the average is 0.25.

Base conversion 12642785

Base System Value
2 Binary 110000001110100111100001
3 Ternary 212210022122022
4 Quaternary 300032213201
5 Quinary 11214032120
6 Senary 1130551225
8 Octal 60164741
10 Decimal 12642785
12 Duodecimal 4298515
16 Hexadecimal c0e9e1
20 Vigesimal 3j06j5
36 Base36 7iz8h

Cryptographic Hash Functions

md5 4fef01355aeb1e23a8d1b8de386ce27d
sha1 4e90602d1fa45127d02272bde89617595609b995
sha256 eb599b68afd44d6a75be36faef479da6d1b1e0567140efe13b819592a33437ce
sha512 0a354ce6e607e621f9e805c87f148c547a9f322b24d238959424282a2d90d02dbba449d0efc2b8c760977ae6540f210693383990749e85b9c261c2eabe149938
ripemd-160 69973ac62f00b923a1678b1526e085a6193d8a20

12642785 as geometric shapes

Circle

Radius = n
Diameter 25285570
Circumference 79436960.95383
Area 5.0215220919634E+14

Sphere

Radius = n
Volume 8.4648032241924E+21
Surface area 2.0086088367853E+15
Circumference 79436960.95383

Square

Length = n
Perimeter 50571140
Area 159840012556225
Diagonal 17879598.013167

Cube

Length = n
Surface area 959040075337350
Volume 2.0208229131457E+21
Space diagonal 21897945.96917

Equilateral Triangle

Length = n
Perimeter 37928355
Area 69212755707457
Altitude 10948972.984585

Triangular Pyramid

Length = n
Surface area 69212755707457
Volume 2.3815626424374E+20
Height 5959866.004389