20131491 (number)

20131491 is an odd 8-digits composite number following 20131490 and preceding 20131492. In scientific notation, it is written as 2.0131491 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 13147680 positive integers (up to 20131491) that are relatively prime to 20131491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0131491 × 10^7
Engineering notation 2.0131491 × 10^6

Prime Factorization of 20131491

Prime Factorization 3 × 173 × 79 × 491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20131491
Product of the distinct prime numbers

The prime factorization of 20131491 is 3 × 173 × 79 × 491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 26, 55, 177, 392, 3696, 7077, 62184, 11433, 698084, 505120, 4764916, 6426604, 6185324, 91052135, 282971336, 559246570, 8876867, 5439721218

Basic calculations (n = 20131491)

Multiplication

n×y
n×2 40262982
n×3 60394473
n×4 80525964
n×5 100657455

Division

n÷y
n÷2 10065745.5
n÷3 6710497
n÷3 5032872.75
n÷5 4026298.2

Exponentiation

ny
n2 405276929883081
n3 8.1588288664489E+21
n4 1.6424938989546E+29
n5 3.3065851144359E+36

Nth Root

y√n
2√n 4486.8130114815
3√n 272.03533187946
4√n 66.983677201849
5√n 28.891839144148

Divisors of 20131491

1, 3, 79, 173, 237, 491, 519, 1473, 13667, 38789, 41001, 84943, 116367, 254829, 6710497, 20131491

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20131490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131491 can be divided by 16 positive divisors. The sum of these divisors (counting 20131491) is 1, the average is 0.0625.

Base conversion 20131491

Base System Value
2 Binary 1001100110010111010100011
3 Ternary 1101212210012210
4 Quaternary 1030302322203
5 Quinary 20123201431
6 Senary 1555253203
8 Octal 114627243
10 Decimal 20131491
12 Duodecimal 68aa203
16 Hexadecimal 1332ea3
20 Vigesimal 65g8eb
36 Base36 bzhk3

Cryptographic Hash Functions

md5 0706f0e0aac543ebb2e7471892a1c807
sha1 676e002203faa526d4e89e6b0ff50ae58ae51bc3
sha256 6fa572fb23931ff203cc32f569a12208c2e8bca6299139f3beb740b9737fbc89
sha512 f8a4371c930ebee192a07edde5f62e3a09def1b7aecca2afdd09b6edee3b7be3952acd48947b8600369e54df4d55f81764cf8bd0240384f0fba889db10338faa
ripemd-160 990ea3746bbe571a8c577ff0ff91c83f5ac9bbca

20131491 as geometric shapes

Circle

Radius = n
Diameter 40262982
Circumference 126489888.46282
Area 1.2732150255901E+15

Sphere

Radius = n
Volume 3.417562243831E+22
Surface area 5.0928601023605E+15
Circumference 126489888.46282

Square

Length = n
Perimeter 80525964
Area 405276929883081
Diagonal 28470227.602992

Cube

Length = n
Surface area 2431661579298486
Volume 8.1588288664489E+21
Space diagonal 34868765.244116

Equilateral Triangle

Length = n
Perimeter 60394473
Area 1.7549005842326E+14
Altitude 17434382.622058

Triangular Pyramid

Length = n
Surface area 1.7549005842326E+14
Volume 9.6152720300109E+20
Height 9490075.867664