20821430 (number)

20821430 is an even 8-digits composite number following 20821429 and preceding 20821431. In scientific notation, it is written as 2.0821430 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors. There are 6718464 positive integers (up to 20821430) that are relatively prime to 20821430.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0821430 × 10^7
Engineering notation 2.0821430 × 10^6

Prime Factorization of 20821430

Prime Factorization 2 × 35 × 17 × 17497

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20821430
Product of the distinct prime numbers

The prime factorization of 20821430 is 2 × 35 × 17 × 17497. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 92, 19, 262, 632, 3763, 2309, 99630, 30093, 698238, 880932, 7520709, 3498719, 29420785, 20627185, 979228550, 859843786, 9367754613, 2799059120

Basic calculations (n = 20821430)

Multiplication

n×y
n×2 41642860
n×3 62464290
n×4 83285720
n×5 104107150

Division

n÷y
n÷2 10410715
n÷3 6940476.6666667
n÷3 5205357.5
n÷5 4164286

Exponentiation

ny
n2 433531947244900
n3 9.0267550923234E+21
n4 1.8794994928195E+29
n5 3.9133867124778E+36

Nth Root

y√n
2√n 4563.0505147324
3√n 275.10818883638
4√n 67.55035540049
5√n 29.087212963687

Divisors of 20821430

1, 2, 17, 34, 35, 70, 595, 1190, 17497, 34994, 297449, 594898, 612395, 1224790, 10410715, 20821430

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 -20821429
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 20821430 can be divided by 16 positive divisors. The sum of these divisors (counting 20821430) is 1, the average is 0.0625.

Base conversion 20821430

Base System Value
2 Binary 1001111011011010110110110
3 Ternary 1110011211122002
4 Quaternary 1033123112312
5 Quinary 20312241210
6 Senary 2022135302
8 Octal 117332666
10 Decimal 20821430
12 Duodecimal 6b81532
16 Hexadecimal 13db5b6
20 Vigesimal 6a2dba
36 Base36 ce9x2

Cryptographic Hash Functions

md5 dfd7af52aa46ac0066685661ba01a381
sha1 97d450835783b943704ccdd4e7abd17b40cf2ffd
sha256 ff1b9173afc3884d6f183f024affa4003a4c779596f3b43e4477bc764c080fcb
sha512 2a7eed4b88f94957e65179ff96747559ac1bd2cbaa8f45fba48719afefd995fefd391852e770300577f1589c62133b8324b58a56ed251d2bce0fb6f217c32900
ripemd-160 4811a666530d15fc9f9371f9f716607e5a13048b

20821430 as geometric shapes

Circle

Radius = n
Diameter 41642860
Circumference 130824903.05047
Area 1.3619807805611E+15

Sphere

Radius = n
Volume 3.781118331173E+22
Surface area 5.4479231222442E+15
Circumference 130824903.05047

Square

Length = n
Perimeter 83285720
Area 433531947244900
Diagonal 29445948.694002

Cube

Length = n
Surface area 2601191683469400
Volume 9.0267550923234E+21
Space diagonal 36063774.646239

Equilateral Triangle

Length = n
Perimeter 62464290
Area 1.8772483983311E+14
Altitude 18031887.323119

Triangular Pyramid

Length = n
Surface area 1.8772483983311E+14
Volume 1.0638132896487E+21
Height 9815316.231334