20990531 (number)

20990531 is an odd 8-digits composite number following 20990530 and preceding 20990532. In scientific notation, it is written as 2.0990531 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20953200 positive integers (up to 20990531) that are relatively prime to 20990531.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety thousand five hundred thirty-one

Notation

Scientific notation 2.0990531 × 10^7
Engineering notation 2.0990531 × 10^6

Prime Factorization of 20990531

Prime Factorization 571 × 36761

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20990531
Product of the distinct prime numbers

The prime factorization of 20990531 is 571 × 36761. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20990531)

Multiplication

n×y
n×2 41981062
n×3 62971593
n×4 83962124
n×5 104952655

Division

n÷y
n÷2 10495265.5
n÷3 6996843.6666667
n÷3 5247632.75
n÷5 4198106.2

Exponentiation

ny
n2 440602391661961
n3 9.2484781608545E+21
n4 1.9413046753824E+29
n5 4.0749015969059E+36

Nth Root

y√n
2√n 4581.5424258649
3√n 275.85094433569
4√n 67.687092018086
5√n 29.134306515205

Divisors of 20990531

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 -20990530
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 20990531 can be divided by 4 positive divisors. The sum of these divisors (counting 20990531) is 1, the average is 0.25.

Base conversion 20990531

Base System Value
2 Binary 1010000000100101001000011
3 Ternary 1110111102121002
4 Quaternary 1100010221003
5 Quinary 20333144111
6 Senary 2025522215
8 Octal 120045103
10 Decimal 20990531
12 Duodecimal 704336b
16 Hexadecimal 1404a43
20 Vigesimal 6b3g6b
36 Base36 chweb

Cryptographic Hash Functions

md5 07750177317df3e15369eb06135ed183
sha1 026fc7fc70ccfe889b691149a2da4a2bcf0540f1
sha256 5932821a341ba431f664fa398356c906eb132133056b50bdbb27f353af4577db
sha512 8246bb7c545aa154f2715576ff3423d7824348619cf21e38b5fdf178af19f3185d0440bdb904e55605bf23d49e78aa110c4dcf383e0dc53d6692c6850131fe6c
ripemd-160 054028a33550fdb40a04b6c8e0124bc92d860284

20990531 as geometric shapes

Circle

Radius = n
Diameter 41981062
Circumference 131887395.9691
Area 1.3841932367993E+15

Sphere

Radius = n
Volume 3.8739934729368E+22
Surface area 5.5367729471972E+15
Circumference 131887395.9691

Square

Length = n
Perimeter 83962124
Area 440602391661961
Diagonal 29685093.621613

Cube

Length = n
Surface area 2643614349971766
Volume 9.2484781608545E+21
Space diagonal 36356666.16985

Equilateral Triangle

Length = n
Perimeter 62971593
Area 1.9078643207372E+14
Altitude 18178333.084925

Triangular Pyramid

Length = n
Surface area 1.9078643207372E+14
Volume 1.089943603866E+21
Height 9895031.2072043