20081431 (number)

20081431 is an odd 8-digits composite number following 20081430 and preceding 20081432. In scientific notation, it is written as 2.0081431 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19591600 positive integers (up to 20081431) that are relatively prime to 20081431.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081431 × 10^7
Engineering notation 2.0081431 × 10^6

Prime Factorization of 20081431

Prime Factorization 41 × 489791

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20081431
Product of the distinct prime numbers

The prime factorization of 20081431 is 41 × 489791. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081431)

Multiplication

n×y
n×2 40162862
n×3 60244293
n×4 80325724
n×5 100407155

Division

n÷y
n÷2 10040715.5
n÷3 6693810.3333333
n÷3 5020357.75
n÷5 4016286.2

Exponentiation

ny
n2 403263871007761
n3 8.0981156004353E+21
n4 1.6262174966016E+29
n5 3.2656774448999E+36

Nth Root

y√n
2√n 4481.2309692762
3√n 271.80965904104
4√n 66.941997051748
5√n 28.877456044351

Divisors of 20081431

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 -20081430
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 20081431 can be divided by 4 positive divisors. The sum of these divisors (counting 20081431) is 1, the average is 0.25.

Base conversion 20081431

Base System Value
2 Binary 1001100100110101100010111
3 Ternary 1101210020112201
4 Quaternary 1030212230113
5 Quinary 20120101211
6 Senary 1554225331
8 Octal 114465427
10 Decimal 20081431
12 Duodecimal 6885247
16 Hexadecimal 1326b17
20 Vigesimal 65a3bb
36 Base36 byexj

Cryptographic Hash Functions

md5 9b875c65768b9f88174158aece424967
sha1 4c6e4cbc32558032ad24e35001e9f63670630348
sha256 c75abaf612a4f995e6b4368570de37abccdea1e90b1ecddd4e139c39de0d6237
sha512 42f6291894ee99234c7ed1512147b8f456105c8c935cb7e4fdcd1e8962cc4ddec6682ec8afcc22b30af52bdd195ef162eb0a7b34dbda1913f47ce050fcc7683a
ripemd-160 bd0d02c26a62eefca7c86962f69616bbcad023d8

20081431 as geometric shapes

Circle

Radius = n
Diameter 40162862
Circumference 126175352.20634
Area 1.2668908146162E+15

Sphere

Radius = n
Volume 3.3921307304331E+22
Surface area 5.0675632584647E+15
Circumference 126175352.20634

Square

Length = n
Perimeter 80325724
Area 403263871007761
Diagonal 28399432.07206

Cube

Length = n
Surface area 2419583226046566
Volume 8.0981156004353E+21
Space diagonal 34782058.780689

Equilateral Triangle

Length = n
Perimeter 60244293
Area 1.7461837836059E+14
Altitude 17391029.390344

Triangular Pyramid

Length = n
Surface area 1.7461837836059E+14
Volume 9.5437207598339E+20
Height 9466477.3573532