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

20402642 (number)

20402642 is an even 8-digits composite number following 20402641 and preceding 20402643. In scientific notation, it is written as 2.0402642 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 9416592 positive integers (up to 20402642) that are relatively prime to 20402642.

Interesting facts

20402642 has 8 divisors, whose sum is 32958156
The reverse of 20402642 is 24620402
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty million four hundred two thousand six hundred forty-two

Notation

Scientific notation	2.0402642 × 10^7
Engineering notation	2.0402642 × 10^6

Prime Factorization of 20402642

Prime Factorization 2 × 13 × 784717

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20402642	Product of the distinct prime numbers

The prime factorization of 20402642 is 2 × 13 × 784717. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 10, 78, 25, 818, 391, 3800, 4799, 42961, 62819, 303361, 910177, 8913006, 7731423, 76149267, 93772909, 196749843, 517882124, 8109894433, 9040716765

Basic calculations (n = 20402642)

Multiplication

n×y

n×2	40805284
n×3	61207926
n×4	81610568
n×5	102013210

Division

n÷y

n÷2	10201321
n÷3	6800880.6666667
n÷3	5100660.5
n÷5	4080528.4

Exponentiation

n^y

n²	416267800580164
n³	8.4929629113645E+21
n⁴	1.7327888179985E+29
n⁵	3.5353469915226E+36

Nth Root

^y√n

²√n	4516.9283811015
³√n	273.2512368291
⁴√n	67.208097585793
⁵√n	28.969252011942

Divisors of 20402642

1, 2, 13, 26, 784717, 1569434, 10201321, 20402642

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	-20402641	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 20402642 can be divided by 8 positive divisors. The sum of these divisors (counting 20402642) is 1, the average is 0.125.

Base conversion 20402642

Base	System	Value
2	Binary	1001101110101000111010010
3	Ternary	1102101120011102
4	Quaternary	1031311013102
5	Quinary	20210341032
6	Senary	2005144402
8	Octal	115650722
10	Decimal	20402642
12	Duodecimal	69bb102
16	Hexadecimal	13751d2
20	Vigesimal	67a6c2
36	Base36	c5as2

Cryptographic Hash Functions

md5	4575bf4da78bd5da1613c140831389fe
sha1	81b0de2df812a76193346ce6b03a24c6bd9808c7
sha256	6388d15c206e1c94d8d17fb485978d63ea98e0be233cab340bce1ea954b71abe
sha512	3c7f3833995be0d8d186878053b7b27b47cc6ab084b01a6a90de4d813b33b894b4ac733569f50eec6f00ffe68bed96d6303f57df160de8ffcdcfc94310138fed
ripemd-160	029b0248b5f7338d6f928f9cfd8eff12927f14e4

20402642 as geometric shapes

Circle

Radius = n

Diameter	40805284
Circumference	128193580.44205
Area	1.3077438642286E+15

Sphere

Radius = n

Volume	3.5575239852738E+22
Surface area	5.2309754569145E+15
Circumference	128193580.44205

Square

Length = n

Perimeter	81610568
Area	416267800580164
Diagonal	28853693.024643

Cube

Length = n

Surface area	2497606803480984
Volume	8.4929629113645E+21
Space diagonal	35338412.552639

Equilateral Triangle

Length = n

Perimeter	61207926
Area	1.8024924503995E+14
Altitude	17669206.276319

Triangular Pyramid

Length = n

Surface area	1.8024924503995E+14
Volume	1.0009052778319E+21
Height	9617897.674881