20405521 (number)

20405521 is an odd 8-digits composite number following 20405520 and preceding 20405522. In scientific notation, it is written as 2.0405521 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19930932 positive integers (up to 20405521) that are relatively prime to 20405521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0405521 × 10^7
Engineering notation 2.0405521 × 10^6

Prime Factorization of 20405521

Prime Factorization 43 × 474547

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20405521
Product of the distinct prime numbers

The prime factorization of 20405521 is 43 × 474547. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405521)

Multiplication

n×y
n×2 40811042
n×3 61216563
n×4 81622084
n×5 102027605

Division

n÷y
n÷2 10202760.5
n÷3 6801840.3333333
n÷3 5101380.25
n÷5 4081104.2

Exponentiation

ny
n2 416385287281441
n3 8.4965587237125E+21
n4 1.7337670746445E+29
n5 3.5378420450767E+36

Nth Root

y√n
2√n 4517.2470598806
3√n 273.26408897688
4√n 67.210468380161
5√n 28.970069531255

Divisors of 20405521

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 -20405520
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 20405521 can be divided by 4 positive divisors. The sum of these divisors (counting 20405521) is 1, the average is 0.25.

Base conversion 20405521

Base System Value
2 Binary 1001101110101110100010001
3 Ternary 1102101201010001
4 Quaternary 1031311310101
5 Quinary 20210434041
6 Senary 2005210001
8 Octal 115656421
10 Decimal 20405521
12 Duodecimal 6a00901
16 Hexadecimal 1375d11
20 Vigesimal 67adg1
36 Base36 c5d01

Cryptographic Hash Functions

md5 16d671ad321746467b9aee0cbee535ac
sha1 c42579bb2330fcf7ee9ee04331cd1d16e3453ad4
sha256 65891978559d228f040dd264cfccdd700e0b908baea17dcbd4c8bf8683ec3972
sha512 3e14998235c87a9d2329e64464f439d951402f36dec0fdbdac091b122d83e140aab30be0466898a4f7622de569e3f15caf91ed8564c7d70fc85906bdd0befcdc
ripemd-160 b8115c872c152240ee885a68b8d4905e9929268d

20405521 as geometric shapes

Circle

Radius = n
Diameter 40811042
Circumference 128211669.73254
Area 1.3081129595863E+15

Sphere

Radius = n
Volume 3.5590301956279E+22
Surface area 5.232451838345E+15
Circumference 128211669.73254

Square

Length = n
Perimeter 81622084
Area 416385287281441
Diagonal 28857764.545489

Cube

Length = n
Surface area 2498311723688646
Volume 8.4965587237125E+21
Space diagonal 35343399.126914

Equilateral Triangle

Length = n
Perimeter 61216563
Area 1.803001182739E+14
Altitude 17671699.563457

Triangular Pyramid

Length = n
Surface area 1.803001182739E+14
Volume 1.0013290483811E+21
Height 9619254.8484963