20421569 (number)

20421569 is an odd 8-digits composite number following 20421568 and preceding 20421570. In scientific notation, it is written as 2.0421569 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 17292816 positive integers (up to 20421569) that are relatively prime to 20421569.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand five hundred sixty-nine

Notation

Scientific notation 2.0421569 × 10^7
Engineering notation 2.0421569 × 10^6

Prime Factorization of 20421569

Prime Factorization 581 × 35149

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20421569
Product of the distinct prime numbers

The prime factorization of 20421569 is 581 × 35149. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421569)

Multiplication

n×y
n×2 40843138
n×3 61264707
n×4 81686276
n×5 102107845

Division

n÷y
n÷2 10210784.5
n÷3 6807189.6666667
n÷3 5105392.25
n÷5 4084313.8

Exponentiation

ny
n2 417040480421761
n3 8.5166209467261E+21
n4 1.7392276231041E+29
n5 3.5517756911927E+36

Nth Root

y√n
2√n 4519.0230138825
3√n 273.33570673463
4√n 67.22367896718
5√n 28.974624822857

Divisors of 20421569

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 -20421568
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 20421569 can be divided by 4 positive divisors. The sum of these divisors (counting 20421569) is 1, the average is 0.25.

Base conversion 20421569

Base System Value
2 Binary 1001101111001101111000001
3 Ternary 1102102112010102
4 Quaternary 1031321233001
5 Quinary 20211442234
6 Senary 2005412145
8 Octal 115715701
10 Decimal 20421569
12 Duodecimal 6a0a055
16 Hexadecimal 1379bc1
20 Vigesimal 67cdi9
36 Base36 c5pdt

Cryptographic Hash Functions

md5 0a7dc07092291c2670553933b4e9c030
sha1 8a7544fd50173f300658a2e3df8d870b576538bb
sha256 195bf74784f9304e66f7acc863489f44bc8aa30e9de3a383b7e2f9099a240b7f
sha512 7bba76acabd25fb191ca7c95d4dcc8b236f38e7a8d2f06f9d1da4d1c0e9d04cb2279036c5612fdb4ba97acd1bcf453d820473e02e304513a5601cab09053a511
ripemd-160 1964ba6f5e5da69156e2cb404fde9aaf41c4660e

20421569 as geometric shapes

Circle

Radius = n
Diameter 40843138
Circumference 128312502.29035
Area 1.3101713095426E+15

Sphere

Radius = n
Volume 3.5674338399525E+22
Surface area 5.2406852381702E+15
Circumference 128312502.29035

Square

Length = n
Perimeter 81686276
Area 417040480421761
Diagonal 28880459.844738

Cube

Length = n
Surface area 2502242882530566
Volume 8.5166209467261E+21
Space diagonal 35371195.078274

Equilateral Triangle

Length = n
Perimeter 61264707
Area 1.8058382522586E+14
Altitude 17685597.539137

Triangular Pyramid

Length = n
Surface area 1.8058382522586E+14
Volume 1.0036934040376E+21
Height 9626819.948246