20787213 (number)

20787213 is an odd 8-digits composite number following 20787212 and preceding 20787214. In scientific notation, it is written as 2.0787213 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13858140 positive integers (up to 20787213) that are relatively prime to 20787213.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-seven thousand two hundred thirteen

Notation

Scientific notation 2.0787213 × 10^7
Engineering notation 2.0787213 × 10^6

Prime Factorization of 20787213

Prime Factorization 3 × 6929071

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20787213
Product of the distinct prime numbers

The prime factorization of 20787213 is 3 × 6929071. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20787213)

Multiplication

n×y
n×2 41574426
n×3 62361639
n×4 83148852
n×5 103936065

Division

n÷y
n÷2 10393606.5
n÷3 6929071
n÷3 5196803.25
n÷5 4157442.6

Exponentiation

ny
n2 432108224307369
n3 8.9823256977291E+21
n4 1.8671751751407E+29
n5 3.8813368073962E+36

Nth Root

y√n
2√n 4559.2996172658
3√n 274.95740607527
4√n 67.52258597881
5√n 29.077646550148

Divisors of 20787213

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 -20787212
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 20787213 can be divided by 4 positive divisors. The sum of these divisors (counting 20787213) is 1, the average is 0.25.

Base conversion 20787213

Base System Value
2 Binary 1001111010011000000001101
3 Ternary 1110010002200210
4 Quaternary 1033103000031
5 Quinary 20310142323
6 Senary 2021313033
8 Octal 117230015
10 Decimal 20787213
12 Duodecimal 6b65779
16 Hexadecimal 13d300d
20 Vigesimal 69i80d
36 Base36 cdjil

Cryptographic Hash Functions

md5 a63494b3c1d4a8d71dfb7fb8f78df551
sha1 33b90cc9da03d20612902f09b4614bed45b118b7
sha256 29a21979515408cb12986fc56864fa5f5182c87a523684425e19a4a950435784
sha512 196ff89d9aea9514d7df772efb2fb0c53938e21c7c073b5bffcd9936cc5da7de57e4ffa36a597031f70bce21bb5a4ea34f5482c3312bead5dca733afdccf4737
ripemd-160 a8497c5ef72c65757d0fc6a4e534a68a97af8fbe

20787213 as geometric shapes

Circle

Radius = n
Diameter 41574426
Circumference 130609911.29881
Area 1.3575080230398E+15

Sphere

Radius = n
Volume 3.7625077898849E+22
Surface area 5.430032092159E+15
Circumference 130609911.29881

Square

Length = n
Perimeter 83148852
Area 432108224307369
Diagonal 29397558.548538

Cube

Length = n
Surface area 2592649345844214
Volume 8.9823256977291E+21
Space diagonal 36004509.063756

Equilateral Triangle

Length = n
Perimeter 62361639
Area 1.8710834971718E+14
Altitude 18002254.531878

Triangular Pyramid

Length = n
Surface area 1.8710834971718E+14
Volume 1.0585772352817E+21
Height 9799186.1828461