18742857 (number)

18742857 is an odd 8-digits composite number following 18742856 and preceding 18742858. In scientific notation, it is written as 1.8742857 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 10080000 positive integers (up to 18742857) that are relatively prime to 18742857.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred forty-two thousand eight hundred fifty-seven

Notation

Scientific notation 1.8742857 × 10^7
Engineering notation 1.8742857 × 10^6

Prime Factorization of 18742857

Prime Factorization 21 × 17 × 52501

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18742857
Product of the distinct prime numbers

The prime factorization of 18742857 is 21 × 17 × 52501. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18742857)

Multiplication

n×y
n×2 37485714
n×3 56228571
n×4 74971428
n×5 93714285

Division

n÷y
n÷2 9371428.5
n÷3 6247619
n÷3 4685714.25
n÷5 3748571.4

Exponentiation

ny
n2 351294688522449
n3 6.5842661118358E+21
n4 1.2340795818408E+29
n5 2.3130177129063E+36

Nth Root

y√n
2√n 4329.3021377585
3√n 265.63090214336
4√n 65.797432607652
5√n 28.481782021314

Divisors of 18742857

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 -18742856
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 18742857 can be divided by 8 positive divisors. The sum of these divisors (counting 18742857) is 1, the average is 0.125.

Base conversion 18742857

Base System Value
2 Binary 1000111011111111001001001
3 Ternary 1022021020100220
4 Quaternary 1013133321021
5 Quinary 14244232412
6 Senary 1505420253
8 Octal 107377111
10 Decimal 18742857
12 Duodecimal 633a689
16 Hexadecimal 11dfe49
20 Vigesimal 5h2h2h
36 Base36 b5q2x

Cryptographic Hash Functions

md5 09c7a508210866053a714c769756ce2b
sha1 618444500c03f2d8190665ed68b5cedf87409830
sha256 082fb2e707d7de74ffe028a90b113db9c2a04456b102e8a4ccaf2b0a0bb87b80
sha512 a3aaa25b979c231bcdeed08d213cbdc967a7919a79353f36e734dc24b09afc3fa248d9ead448f464b15169d57583bef9b66b5f88765637acf9b972af4aaeac8c
ripemd-160 a8377f9cfdcfea36cee162dcb2ce9a12e126c112

18742857 as geometric shapes

Circle

Radius = n
Diameter 37485714
Circumference 117764843.71697
Area 1.1036248127072E+15

Sphere

Radius = n
Volume 2.7580109394965E+22
Surface area 4.414499250829E+15
Circumference 117764843.71697

Square

Length = n
Perimeter 74971428
Area 351294688522449
Diagonal 26506402.56702

Cube

Length = n
Surface area 2107768131134694
Volume 6.5842661118358E+21
Space diagonal 32463580.602998

Equilateral Triangle

Length = n
Perimeter 56228571
Area 1.5211506223749E+14
Altitude 16231790.301499

Triangular Pyramid

Length = n
Surface area 1.5211506223749E+14
Volume 7.7596320280265E+20
Height 8835467.5223398