20187705 (number)

20187705 is an odd 8-digits composite number following 20187704 and preceding 20187706. In scientific notation, it is written as 2.0187705 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 10743360 positive integers (up to 20187705) that are relatively prime to 20187705.

Interesting facts

Basic properties

Name

Name twenty million one hundred eighty-seven thousand seven hundred five

Notation

Scientific notation 2.0187705 × 10^7
Engineering notation 2.0187705 × 10^6

Prime Factorization of 20187705

Prime Factorization 5 × 3 × 571 × 2357

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20187705
Product of the distinct prime numbers

The prime factorization of 20187705 is 5 × 3 × 571 × 2357. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20187705)

Multiplication

n×y
n×2 40375410
n×3 60563115
n×4 80750820
n×5 100938525

Division

n÷y
n÷2 10093852.5
n÷3 6729235
n÷3 5046926.25
n÷5 4037541

Exponentiation

ny
n2 407543433167025
n3 8.2273666034631E+21
n4 1.6609164991757E+29
n5 3.3530092314991E+36

Nth Root

y√n
2√n 4493.0730018552
3√n 272.28830175816
4√n 67.030388644668
5√n 28.907956329242

Divisors of 20187705

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20187704
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20187705 can be divided by 16 positive divisors. The sum of these divisors (counting 20187705) is 1, the average is 0.0625.

Base conversion 20187705

Base System Value
2 Binary 1001101000000101000111001
3 Ternary 1101222122022210
4 Quaternary 1031000220321
5 Quinary 20132001310
6 Senary 2000405333
8 Octal 115005071
10 Decimal 20187705
12 Duodecimal 6916849
16 Hexadecimal 1340a39
20 Vigesimal 663955
36 Base36 c0oxl

Cryptographic Hash Functions

md5 fea83979028673acacadfdef6b91ec3d
sha1 fbc4f8f0ed01d9841d731adb976a68fb81b342cb
sha256 74f0ec403572d9309b26e33523a3f9fbbb68befe09a78a46fc4c05b2c0c2e02e
sha512 8653117a888093973603180149a0e5f561e36c0dc510124b52adca38293e0bf9cb5917bb6cdd31d58924e284cc75e6980448d3bf77a92cdc43749a439a9fbd5c
ripemd-160 189e4641aaa8692a61331ef7588ad3e7cba5d972

20187705 as geometric shapes

Circle

Radius = n
Diameter 40375410
Circumference 126843091.44168
Area 1.2803354556563E+15

Sphere

Radius = n
Volume 3.4462712639773E+22
Surface area 5.1213418226252E+15
Circumference 126843091.44168

Square

Length = n
Perimeter 80750820
Area 407543433167025
Diagonal 28549726.204187

Cube

Length = n
Surface area 2445260599002150
Volume 8.2273666034631E+21
Space diagonal 34966130.748212

Equilateral Triangle

Length = n
Perimeter 60563115
Area 1.7647148313408E+14
Altitude 17483065.374106

Triangular Pyramid

Length = n
Surface area 1.7647148313408E+14
Volume 9.6960445276942E+20
Height 9516575.4013957