20681431 (number)

20681431 is an odd 8-digits composite number following 20681430 and preceding 20681432. In scientific notation, it is written as 2.0681431 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20671864 positive integers (up to 20681431) that are relatively prime to 20681431.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0681431 × 10^7
Engineering notation 2.0681431 × 10^6

Prime Factorization of 20681431

Prime Factorization 6269 × 3299

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20681431
Product of the distinct prime numbers

The prime factorization of 20681431 is 6269 × 3299. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 37, 44, 240, 347, 825, 363, 37258, 33721, 472600, 273988, 4242350, 9821830, 29139831, 66902450, 223426191, 440375060, 4732838792, 4064416367

Basic calculations (n = 20681431)

Multiplication

n×y
n×2 41362862
n×3 62044293
n×4 82725724
n×5 103407155

Division

n÷y
n÷2 10340715.5
n÷3 6893810.3333333
n÷3 5170357.75
n÷5 4136286.2

Exponentiation

ny
n2 427721588207761
n3 8.8458945137292E+21
n4 1.8294575701897E+29
n5 3.7835800505306E+36

Nth Root

y√n
2√n 4547.6841359092
3√n 274.49021147285
4√n 67.436519304522
5√n 29.047992052134

Divisors of 20681431

1, 3299, 6269, 20681431

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 -20681430
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 20681431 can be divided by 4 positive divisors. The sum of these divisors (counting 20681431) is 1, the average is 0.25.

Base conversion 20681431

Base System Value
2 Binary 1001110111001001011010111
3 Ternary 1102220201120221
4 Quaternary 1032321023113
5 Quinary 20243301211
6 Senary 2015135211
8 Octal 116711327
10 Decimal 20681431
12 Duodecimal 6b14507
16 Hexadecimal 13b92d7
20 Vigesimal 6953bb
36 Base36 cb9w7

Cryptographic Hash Functions

md5 21e10f3c4b38bdab26e87d36e65688ce
sha1 b45c948cb6c7f4957905e9f1b79b714b63017c46
sha256 aa81d8c830aabb43011c2f05abe860942e18942a0315c0cab75fbe0fe4ded284
sha512 882ced421f9685764ebc30cead87025e30c54c80a229e4f8866b149bd55b600f30b9f6fcd93263abbf735ad19eabbad6e0cbdb9bcddfe672b2dc63a4a485d7c3
ripemd-160 c8c43c8e056dfc6d4d60579933288502d00666f4

20681431 as geometric shapes

Circle

Radius = n
Diameter 41362862
Circumference 129945263.39065
Area 1.3437269992953E+15

Sphere

Radius = n
Volume 3.7053596291683E+22
Surface area 5.374907997181E+15
Circumference 129945263.39065

Square

Length = n
Perimeter 82725724
Area 427721588207761
Diagonal 29247960.209483

Cube

Length = n
Surface area 2566329529246566
Volume 8.8458945137292E+21
Space diagonal 35821289.26523

Equilateral Triangle

Length = n
Perimeter 62044293
Area 1.8520888056747E+14
Altitude 17910644.632615

Triangular Pyramid

Length = n
Surface area 1.8520888056747E+14
Volume 1.0424986660531E+21
Height 9749320.0698278