20421817 (number)

20421817 is an odd 8-digits composite number following 20421816 and preceding 20421818. In scientific notation, it is written as 2.0421817 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 18340992 positive integers (up to 20421817) that are relatively prime to 20421817.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand eight hundred seventeen

Notation

Scientific notation 2.0421817 × 10^7
Engineering notation 2.0421817 × 10^6

Prime Factorization of 20421817

Prime Factorization 13 × 37 × 42457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20421817
Product of the distinct prime numbers

The prime factorization of 20421817 is 13 × 37 × 42457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421817)

Multiplication

n×y
n×2 40843634
n×3 61265451
n×4 81687268
n×5 102109085

Division

n÷y
n÷2 10210908.5
n÷3 6807272.3333333
n÷3 5105454.25
n÷5 4084363.4

Exponentiation

ny
n2 417050609581489
n3 8.5169312286116E+21
n4 1.7393121095229E+29
n5 3.5519913606561E+36

Nth Root

y√n
2√n 4519.0504533585
3√n 273.33681319517
4√n 67.223883057724
5√n 28.974695196216

Divisors of 20421817

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 -20421816
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 20421817 can be divided by 8 positive divisors. The sum of these divisors (counting 20421817) is 1, the average is 0.125.

Base conversion 20421817

Base System Value
2 Binary 1001101111001110010111001
3 Ternary 1102102112110121
4 Quaternary 1031321302321
5 Quinary 20211444232
6 Senary 2005413241
8 Octal 115716271
10 Decimal 20421817
12 Duodecimal 6a0a221
16 Hexadecimal 1379cb9
20 Vigesimal 67ceah
36 Base36 c5pkp

Cryptographic Hash Functions

md5 f160fe1c2eff844f393b4df829889049
sha1 31ddf696b5ec13a65058bd06e1468baeb94b1b44
sha256 cb896baf9ad15500ac2c9e8c36cf4145e80f0f50eff5a1da9b6af189cb544052
sha512 d108d8b4d197950b921a6cf309152af7fc9ddf7b42d936dcd97ffa77c99078d17decdf706c77eac095d2f3a84b97188dfcf68492580541d0bf86e63c2d28cc4d
ripemd-160 df5f074b00fd78b830eeaf4ac5fa975bb45702ac

20421817 as geometric shapes

Circle

Radius = n
Diameter 40843634
Circumference 128314060.52031
Area 1.3102031312364E+15

Sphere

Radius = n
Volume 3.5675638105248E+22
Surface area 5.2408125249454E+15
Circumference 128314060.52031

Square

Length = n
Perimeter 81687268
Area 417050609581489
Diagonal 28880810.569701

Cube

Length = n
Surface area 2502303657488934
Volume 8.5169312286116E+21
Space diagonal 35371624.626874

Equilateral Triangle

Length = n
Perimeter 61265451
Area 1.8058821128068E+14
Altitude 17685812.313437

Triangular Pyramid

Length = n
Surface area 1.8058821128068E+14
Volume 1.0037299711085E+21
Height 9626936.8565671