20531489 (number)

20531489 is an odd 8-digits composite number following 20531488 and preceding 20531490. In scientific notation, it is written as 2.0531489 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 18664980 positive integers (up to 20531489) that are relatively prime to 20531489.

Interesting facts

Basic properties

Name

Name twenty million five hundred thirty-one thousand four hundred eighty-nine

Notation

Scientific notation 2.0531489 × 10^7
Engineering notation 2.0531489 × 10^6

Prime Factorization of 20531489

Prime Factorization 11 × 1866499

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20531489
Product of the distinct prime numbers

The prime factorization of 20531489 is 11 × 1866499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20531489)

Multiplication

n×y
n×2 41062978
n×3 61594467
n×4 82125956
n×5 102657445

Division

n÷y
n÷2 10265744.5
n÷3 6843829.6666667
n÷3 5132872.25
n÷5 4106297.8

Exponentiation

ny
n2 421542040557121
n3 8.6548857687361E+21
n4 1.7769769195706E+29
n5 3.6483982077418E+36

Nth Root

y√n
2√n 4531.1686130622
3√n 273.82524331584
4√n 67.313955559469
5√n 29.005749323589

Divisors of 20531489

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 -20531488
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 20531489 can be divided by 4 positive divisors. The sum of these divisors (counting 20531489) is 1, the average is 0.25.

Base conversion 20531489

Base System Value
2 Binary 1001110010100100100100001
3 Ternary 1102122002220112
4 Quaternary 1032110210201
5 Quinary 20224001424
6 Senary 2012021105
8 Octal 116244441
10 Decimal 20531489
12 Duodecimal 6a61795
16 Hexadecimal 1394921
20 Vigesimal 6868e9
36 Base36 c8275

Cryptographic Hash Functions

md5 24583844a5de4d2dd92936b0ceda38bf
sha1 51b3be8d428f5561d9552afdffdb05445c1da097
sha256 08593906f3bc7a7f1bfe552d4c835564322fcc496431487db086577c99d96b82
sha512 dac5988b5534c0d104d034573aa8a39924a039429945d4ffe6ea68b37a90069404cda4fb6b156e72536a537b0b32e20013a65305ccea4c1dd354479d664e61a2
ripemd-160 9313ed917acff1b1bbd5825d391459d724fa666b

20531489 as geometric shapes

Circle

Radius = n
Diameter 41062978
Circumference 129003150.01932
Area 1.3243133777935E+15

Sphere

Radius = n
Volume 3.6253500731627E+22
Surface area 5.297253511174E+15
Circumference 129003150.01932

Square

Length = n
Perimeter 82125956
Area 421542040557121
Diagonal 29035910.199514

Cube

Length = n
Surface area 2529252243342726
Volume 8.6548857687361E+21
Space diagonal 35561582.103042

Equilateral Triangle

Length = n
Perimeter 61594467
Area 1.825330579428E+14
Altitude 17780791.051521

Triangular Pyramid

Length = n
Surface area 1.825330579428E+14
Volume 1.019988069578E+21
Height 9678636.7331713