Math question: What is the sum of the digits of the number 642 in base 6?

To find the sum of the digits, we can convert 642 to base 6. In base 6, 642 is equivalent to 2154. Adding the digits 2+1+5+4, we get a sum of 12. Therefore, the sum of the digits of the number 642 in base 6 is 12.

Math question: What is the sum of the digits in the number 642 multiplied by the number itself?

Let's break down the number 642 into its digits: 6, 4, and 2. Adding these digits together gives us 6 + 4 + 2 = 12. Now, we multiply this sum by the original number, giving us 12 * 642 = 7704. Therefore, the product of the sum of the digits in 642 and the number itself is 7704.

Math question: If 642 is multiplied by 3 and then divided by 2, what is the result?

To solve this, multiply 642 by 3, which equals 1926. Then divide 1926 by 2 to get 963. Thus, the result is 963. Explanation: To calculate this, we multiply 642 by 3 since we are given to do so. This gives us 1926. Now, to find the result, we divide 1926 by 2, which equals 963. Therefore, the result of multiplying 642 by 3 and then dividing by 2 is 963.

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

642 (number)

642 is an even 3-digits composite number following 641 and preceding 643. In scientific notation, it is written as 6.42 × 10^2. The sum of its digits is 12. It has a total of 3 prime factors and 8 positive divisors. There are 212 positive integers (up to 642) that are relatively prime to 642.

Interesting facts

642 has 8 divisors, whose sum is 1296
The reverse of 642 is 246
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 3
Sum of Digits 12
Digital Root 3

Name

Name	six hundred forty-two

Notation

Scientific notation	6.42 × 10^2
Engineering notation	6.42 × 10^0

Prime Factorization of 642

Prime Factorization 2 × 3 × 107

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	642	Product of the distinct prime numbers

The prime factorization of 642 is 2 × 3 × 107. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 3, 43, 94, 673, 768, 3093, 9293, 24048, 88489, 783776, 154314, 1083465, 7885177, 38210277, 34956490, 546948933, 191802256, 785494904, 6638890179

Basic calculations (n = 642)

Multiplication

n×y

n×2	1284
n×3	1926
n×4	2568
n×5	3210

Division

n÷y

n÷2	321
n÷3	214
n÷3	160.5
n÷5	128.4

Exponentiation

n^y

n²	412164
n³	264609288
n⁴	169879162896
n⁵	109062422579232

Nth Root

^y√n

²√n	25.33771891864
³√n	8.6267062366914
⁴√n	5.033658601717
⁵√n	3.6434012719964

Divisors of 642

1, 2, 3, 6, 107, 214, 321, 642

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	-641	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 642 can be divided by 8 positive divisors. The sum of these divisors (counting 642) is 1, the average is 0.125.

Base conversion 642

Base	System	Value
2	Binary	1010000010
3	Ternary	212210
4	Quaternary	22002
5	Quinary	10032
6	Senary	2550
8	Octal	1202
10	Decimal	642
12	Duodecimal	456
16	Hexadecimal	282
20	Vigesimal	1c2
36	Base36	hu

Cryptographic Hash Functions

md5	291597a100aadd814d197af4f4bab3a7
sha1	99316daea530a41f7e3cddaea0561a59d2dc23f0
sha256	68fcd1eb684859a314bbf7f7c99037cead480f5bb209ccd4725bd319423e832f
sha512	479e84a159c9798e8e65bc61cd9c2cd65f37a7659b953ba247e7fb8c2c321f06fb3cde9531efb20fbd60f9e5ba8f2a35f6cb4c01196b63b6a96d5c6993739bce
ripemd-160	3a8d3bcb628c7a827642485c6c2897d298f1a7ce

642 as geometric shapes

Circle

Radius = n

Diameter	1284
Circumference	4033.8049672093
Area	1294851.3944742

Sphere

Radius = n

Volume	1108392793.6699
Surface area	5179405.5778967
Circumference	4033.8049672093

Square

Length = n

Perimeter	2568
Area	412164
Diagonal	907.92510704353

Cube

Length = n

Surface area	2472984
Volume	264609288
Space diagonal	1111.9766184592

Equilateral Triangle

Length = n

Perimeter	1926
Area	178472.2472627
Altitude	555.98830922961

Triangular Pyramid

Length = n

Surface area	178472.2472627
Volume	31184503.651624
Height	302.64170234784