What is the sum of the digits in the number 6421?

To find the sum of the digits in the number 6421, we add the individual digits together. In this case, the sum is 6 + 4 + 2 + 1 = 13.

Math question: What is the sum of the digits of the number 6421?

To find the sum of the digits, we add each digit individually: 6 + 4 + 2 + 1 = 13. So, the sum of the digits in the number 6421 is 13.

What is the sum of the digits in the number 6421 multiplied by their difference, divided by the product of the second and third digit?

The sum of the digits in 6421 is 6 + 4 + 2 + 1 = 13. Their difference is |6 - 4 - 2 - 1| = 9. So, the product is 13 * 9 = 117. The second digit is 4 and the third digit is 2. The product of 4 and 2 is 8. Therefore, the final solution is 117 / 8 = 14.625.

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

6421 (number)

6421 is an odd 4-digits prime number following 6420 and preceding 6422. In scientific notation, it is written as 6.421 × 10^3. The sum of its digits is 13. It has a total of 1 prime factors and 2 positive divisors. There are 6420 positive integers (up to 6421) that are relatively prime to 6421.

Interesting facts

6421 has 2 divisors, whose sum is 6422
The reverse of 6421 is 1246
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 4
Sum of Digits 13
Digital Root 4

Name

Name	six thousand four hundred twenty-one

Notation

Scientific notation	6.421 × 10^3
Engineering notation	6.421 × 10^3

Prime Factorization of 6421

Prime Factorization 6421

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	6421	Product of the distinct prime numbers

The prime factorization of 6421 is 6421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 10, 65, 92, 105, 139, 2875, 1550, 65409, 95692, 160761, 302007, 9558132, 5712734, 39855627, 90249391, 398504422, 239668439, 3933739850, 570701617

Basic calculations (n = 6421)

Multiplication

n×y

n×2	12842
n×3	19263
n×4	25684
n×5	32105

Division

n÷y

n÷2	3210.5
n÷3	2140.3333333333
n÷3	1605.25
n÷5	1284.2

Exponentiation

n^y

n²	41229241
n³	264732956461
n⁴	1699850313436081
n⁵	1.0914738862573E+19

Nth Root

^y√n

²√n	80.131142510263
³√n	18.58664011527
⁴√n	8.9515999972219
⁵√n	5.7745817500932

Divisors of 6421

1, 6421

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	6422	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	3211	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	80.137382038597	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9996885705388	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 6421 can be divided by 2 positive divisors. The sum of these divisors (counting 6421) is 6422, the average is 3211.

Base conversion 6421

Base	System	Value
2	Binary	1100100010101
3	Ternary	22210211
4	Quaternary	1210111
5	Quinary	201141
6	Senary	45421
8	Octal	14425
10	Decimal	6421
12	Duodecimal	3871
16	Hexadecimal	1915
20	Vigesimal	g11
36	Base36	4yd

Cryptographic Hash Functions

md5	ebbdfea212e3a756a1fded7b35578525
sha1	ee8acf59c1a817dbdc3b540d7d6d12fcc585718f
sha256	5dd8233939a973e153d08801e2a1749a156fc1df7b446e01ef4647ce00f18acf
sha512	b22810ae8f9b60f6751be4a5bc63a3329ac1c9c904c42d4b2beb71f5901659d66581326fc48e76d1fa5db9e4e3217c0c7490e41fc39514d64896da718269776e
ripemd-160	24f4eb1a96c39e24e2dfeb6e4ef4df9267b53fc8

6421 as geometric shapes

Circle

Radius = n

Diameter	12842
Circumference	40344.3328574
Area	129525480.63868

Sphere

Radius = n

Volume	1108910814908
Surface area	518101922.55473
Circumference	40344.3328574

Square

Length = n

Perimeter	25684
Area	41229241
Diagonal	9080.6652839976

Cube

Length = n

Surface area	247375446
Volume	264732956461
Space diagonal	11121.4982354

Equilateral Triangle

Length = n

Perimeter	19263
Area	17852785.042375
Altitude	5560.7491176999

Triangular Pyramid

Length = n

Surface area	17852785.042375
Volume	31199078119.523
Height	3026.8884279992