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

20402490 (number)

20402490 is an even 8-digits composite number following 20402489 and preceding 20402491. In scientific notation, it is written as 2.0402490 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 5440656 positive integers (up to 20402490) that are relatively prime to 20402490.

Interesting facts

20402490 has 8 divisors, whose sum is 32644032
The reverse of 20402490 is 09420402
Previous prime number is 15

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty million four hundred two thousand four hundred ninety

Notation

Scientific notation	2.0402490 × 10^7
Engineering notation	2.0402490 × 10^6

Prime Factorization of 20402490

Prime Factorization 2 × 15 × 680083

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20402490	Product of the distinct prime numbers

The prime factorization of 20402490 is 2 × 15 × 680083. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 4, 68, 38, 706, 196, 8550, 1070, 59013, 63896, 889064, 58955, 5330541, 4634894, 22559556, 20481029, 672952604, 683042278, 4088304062, 7012042800

Basic calculations (n = 20402490)

Multiplication

n×y

n×2	40804980
n×3	61207470
n×4	81609960
n×5	102012450

Division

n÷y

n÷2	10201245
n÷3	6800830
n÷3	5100622.5
n÷5	4080498

Exponentiation

n^y

n²	416261598200100
n³	8.4927730946616E+21
n⁴	1.732737181361E+29
n⁵	3.5352153015346E+36

Nth Root

^y√n

²√n	4516.9115554768
³√n	273.25055825209
⁴√n	67.2079724101
⁵√n	28.969208847537

Divisors of 20402490

1, 2, 15, 30, 680083, 1360166, 10201245, 20402490

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	-20402489	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 20402490 can be divided by 8 positive divisors. The sum of these divisors (counting 20402490) is 1, the average is 0.125.

Base conversion 20402490

Base	System	Value
2	Binary	1001101110101000100111010
3	Ternary	1102101112221210
4	Quaternary	1031311010322
5	Quinary	20210334430
6	Senary	2005143550
8	Octal	115650472
10	Decimal	20402490
12	Duodecimal	69babb6
16	Hexadecimal	137513a
20	Vigesimal	67a64a
36	Base36	c5anu

Cryptographic Hash Functions

md5	c37901ab685143ccbde0d2b0634a7e82
sha1	67812aabea082416cf922274bc19c6c67136b3a3
sha256	832f98823d641405cf9f7a81452a058994f9f9896c48147117cbbb155cb66224
sha512	e39b2e8bd42d23ccc299722ae0f920e5bb0f53105f070703e97ac655731f8068098d04f4856ab8c610ed74620171712255c4d98c9c13fa99fc685eed86b49146
ripemd-160	08c6c512a1c1348ab413c993cfc39e61266cf24e

20402490 as geometric shapes

Circle

Radius = n

Diameter	40804980
Circumference	128192625.39788
Area	1.307724378877E+15

Sphere

Radius = n

Volume	3.5574444750392E+22
Surface area	5.2308975155079E+15
Circumference	128192625.39788

Square

Length = n

Perimeter	81609960
Area	416261598200100
Diagonal	28853478.064181

Cube

Length = n

Surface area	2497569589200600
Volume	8.4927730946616E+21
Space diagonal	35338149.280916

Equilateral Triangle

Length = n

Perimeter	61207470
Area	1.802465593306E+14
Altitude	17669074.640458

Triangular Pyramid

Length = n

Surface area	1.802465593306E+14
Volume	1.000882907719E+21
Height	9617826.0213938