Math question: What is the least prime factor of 2642?

To find the least prime factor of 2642, we can divide it by prime numbers starting from 2. Dividing 2642 by 2, we get 1321, where 2 is not a factor. Dividing 2642 by 3, we get 880.67, so 3 is not a factor. Continuing this process, we divide 2642 by 5, resulting in 528.4, which means 5 is not a factor either. Dividing by 7, we obtain 377.4. However, when we try dividing by 11, we get 240.18 and finally by 13, we get 203.23. Therefore, the least prime factor of 2642 is 11.

Math question: What is the sum of the digits in the number 2642?

To find the sum of the digits in 2642, we add each individual digit together. The digit 2 appears twice, while 6 and 4 appear once each. When we add these together, we get 2 + 6 + 4 + 2 = 14. Therefore, the sum of the digits in the number 2642 is 14.

The math question is: What is the sum of the digits in the number 2642?

To find the sum of the digits in the number 2642, we add the individual digits together. The digit 2 appears twice, so we count it twice. Therefore, the sum is 2 + 6 + 4 + 2 = 14.

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

2642 (number)

2642 is an even 4-digits composite number following 2641 and preceding 2643. In scientific notation, it is written as 2.642 × 10^3. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 1320 positive integers (up to 2642) that are relatively prime to 2642.

Interesting facts

2642 has 4 divisors, whose sum is 3966
The reverse of 2642 is 2462
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 4
Sum of Digits 14
Digital Root 5

Name

Name	two thousand six hundred forty-two

Notation

Scientific notation	2.642 × 10^3
Engineering notation	2.642 × 10^3

Prime Factorization of 2642

Prime Factorization 2 × 1321

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	2642	Product of the distinct prime numbers

The prime factorization of 2642 is 2 × 1321. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 57, 10, 917, 351, 7881, 7389, 94814, 50645, 619104, 222674, 8995635, 6289595, 89812853, 36771968, 642926449, 754932220, 4285788285, 754158520

Basic calculations (n = 2642)

Multiplication

n×y

n×2	5284
n×3	7926
n×4	10568
n×5	13210

Division

n÷y

n÷2	1321
n÷3	880.66666666667
n÷3	660.5
n÷5	528.4

Exponentiation

n^y

n²	6980164
n³	18441593288
n⁴	48722689466896
n⁵	128725345571539232

Nth Root

^y√n

²√n	51.400389103586
³√n	13.824335691794
⁴√n	7.1694064680129
⁵√n	4.8348896090779

Divisors of 2642

1, 2, 1321, 2642

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	-2641	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 2642 can be divided by 4 positive divisors. The sum of these divisors (counting 2642) is 1, the average is 0.25.

Base conversion 2642

Base	System	Value
2	Binary	101001010010
3	Ternary	10121212
4	Quaternary	221102
5	Quinary	41032
6	Senary	20122
8	Octal	5122
10	Decimal	2642
12	Duodecimal	1642
16	Hexadecimal	a52
20	Vigesimal	6c2
36	Base36	21e

Cryptographic Hash Functions

md5	f12f2b34a0c3174269c19e21c07dee68
sha1	5eb6f63039d452e50d36d6bbd07a3fd5aec0d58c
sha256	25e4150d8ad59bee67cc83b443646a9d4485d51c05a905d7319d04dc9022c4fa
sha512	77560c63df489a7c348fe487ee7f8ba3c8a2a5bcd5a2a401f8fcdf9f4292bec23b8c16dfa10cfb9ded4071e5475560d00369ba04222c170c9df79480773f9f01
ripemd-160	4dd2032ff76cd097e8355d8dc545d6f1b843fd4f

2642 as geometric shapes

Circle

Radius = n

Diameter	5284
Circumference	16600.175581568
Area	21928831.943252

Sphere

Radius = n

Volume	77247965325.429
Surface area	87715327.773008
Circumference	16600.175581568

Square

Length = n

Perimeter	10568
Area	6980164
Diagonal	3736.3522317897

Cube

Length = n

Surface area	41880984
Volume	18441593288
Space diagonal	4576.078233597

Equilateral Triangle

Length = n

Perimeter	7926
Area	3022499.6732908
Altitude	2288.0391167985

Triangular Pyramid

Length = n

Surface area	3022499.6732908
Volume	2173362611.6382
Height	1245.4507439299