Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20487946 (number)

20487946 is an even 8-digits composite number following 20487945 and preceding 20487947. In scientific notation, it is written as 2.0487946 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 9994080 positive integers (up to 20487946) that are relatively prime to 20487946.

Interesting facts

20487946 has 8 divisors, whose sum is 31481604
The reverse of 20487946 is 64978402
Previous prime number is 41

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty million four hundred eighty-seven thousand nine hundred forty-six

Notation

Scientific notation	2.0487946 × 10^7
Engineering notation	2.0487946 × 10^6

Prime Factorization of 20487946

Prime Factorization 2 × 41 × 249853

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20487946	Product of the distinct prime numbers

The prime factorization of 20487946 is 2 × 41 × 249853. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 81, 6, 930, 537, 4843, 9050, 89222, 1067, 657809, 816838, 1374767, 8681873, 2674748, 19293373, 721258304, 267878144, 6547720128, 8333314888

Basic calculations (n = 20487946)

Multiplication

n×y

n×2	40975892
n×3	61463838
n×4	81951784
n×5	102439730

Division

n÷y

n÷2	10243973
n÷3	6829315.3333333
n÷3	5121986.5
n÷5	4097589.2

Exponentiation

n^y

n²	419755931298916
n³	8.5999368536319E+21
n⁴	1.7619504186062E+29
n⁵	3.6098745031081E+36

Nth Root

^y√n

²√n	4526.361231718
³√n	273.63153092658
⁴√n	67.278237430227
⁵√n	28.993435846182

Divisors of 20487946

1, 2, 41, 82, 249853, 499706, 10243973, 20487946

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20487945	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20487946 can be divided by 8 positive divisors. The sum of these divisors (counting 20487946) is 1, the average is 0.125.

Base conversion 20487946

Base	System	Value
2	Binary	1001110001001111100001010
3	Ternary	1102112220011211
4	Quaternary	1032021330022
5	Quinary	20221103241
6	Senary	2011043334
8	Octal	116117412
10	Decimal	20487946
12	Duodecimal	6a4054a
16	Hexadecimal	1389f0a
20	Vigesimal	680jh6
36	Base36	c74lm

Cryptographic Hash Functions

md5	9bb272d4357429469bc2d54c2d25b4a9
sha1	c9a0e2edfd5333d7e21fd4828119baccd839c1f1
sha256	546c1b55caca7f273a9076cebd8e66cf2dda95e892ec62855e9274f1b3632a79
sha512	b4e57981bc9b5465ccb529ef1d4774239c51a041f1d1891b7e5bb9b0fac5466a3a9244135f398544877470829fd43ca1cdf223a0734b143d35557c888cd056c3
ripemd-160	7104c11984d809cb445e421b584aa3f5968a984d

20487946 as geometric shapes

Circle

Radius = n

Diameter	40975892
Circumference	128729561.28149
Area	1.3187021500694E+15

Sphere

Radius = n

Volume	3.6023331254275E+22
Surface area	5.2748086002777E+15
Circumference	128729561.28149

Square

Length = n

Perimeter	81951784
Area	419755931298916
Diagonal	28974331.098368

Cube

Length = n

Surface area	2518535587793496
Volume	8.5999368536319E+21
Space diagonal	35486163.414728

Equilateral Triangle

Length = n

Perimeter	61463838
Area	1.8175964994703E+14
Altitude	17743081.707364

Triangular Pyramid

Length = n

Surface area	1.8175964994703E+14
Volume	1.0135122778299E+21
Height	9658110.3661225