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

638243 (number)

638243 is an odd 6-digits composite number following 638242 and preceding 638244. In scientific notation, it is written as 6.38243 × 10^5. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 627720 positive integers (up to 638243) that are relatively prime to 638243.

Interesting facts

638243 has 4 divisors, whose sum is 648768
The reverse of 638243 is 342836
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 26
Digital Root 8

Name

Name	six hundred thirty-eight thousand two hundred forty-three

Notation

Scientific notation	6.38243 × 10^5
Engineering notation	6.38243 × 10^3

Prime Factorization of 638243

Prime Factorization 61 × 10463

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	638243	Product of the distinct prime numbers

The prime factorization of 638243 is 61 × 10463. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 96, 68, 945, 380, 6733, 3441, 76769, 44441, 107769, 697359, 5043103, 7927287, 99427100, 51116353, 35484535, 295607201, 9824380244, 4361472726

Basic calculations (n = 638243)

Multiplication

n×y

n×2	1276486
n×3	1914729
n×4	2552972
n×5	3191215

Division

n÷y

n÷2	319121.5
n÷3	212747.66666667
n÷3	159560.75
n÷5	127648.6

Exponentiation

n^y

n²	407354127049
n³	259990920110134907
n⁴	1.6593738482385E+23
n⁵	1.0590837430213E+29

Nth Root

^y√n

²√n	798.90112028961
³√n	86.098454038249
⁴√n	28.264838939743
⁵√n	14.487625532486

Divisors of 638243

1, 61, 10463, 638243

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	-638242	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 638243 can be divided by 4 positive divisors. The sum of these divisors (counting 638243) is 1, the average is 0.25.

Base conversion 638243

Base	System	Value
2	Binary	10011011110100100011
3	Ternary	1012102111122
4	Quaternary	2123310203
5	Quinary	130410433
6	Senary	21402455
8	Octal	2336443
10	Decimal	638243
12	Duodecimal	26942b
16	Hexadecimal	9bd23
20	Vigesimal	3jfc3
36	Base36	dogz

Cryptographic Hash Functions

md5	5dfc58e09e8eee06dbacf6e751225efd
sha1	eb4a211bfa3044acf2749295c6abac3eab40a113
sha256	afc393aefa71aeb3e5b2d13dd785a6c23deca099c95e08af0539205234f84a4e
sha512	4261194113f1be80d23c318c98edf30cf13a52475bf8c914c969a0709b18c05d7063d5e999e4c1930fd0a2e6478ad4cc95debaab33b227136b0789ac74942842
ripemd-160	c63dd926ee5ae7b91044fa5c39eb7b3f227524cc

638243 as geometric shapes

Circle

Radius = n

Diameter	1276486
Circumference	4010199.0400102
Area	1279740732946.6

Sphere

Radius = n

Volume	1.0890474194907E+18
Surface area	5118962931786.5
Circumference	4010199.0400102

Square

Length = n

Perimeter	2552972
Area	407354127049
Diagonal	902611.90668969

Cube

Length = n

Surface area	2444124762294
Volume	259990920110134907
Space diagonal	1105469.3035752

Equilateral Triangle

Length = n

Perimeter	1914729
Area	176389511180.43
Altitude	552734.65178759

Triangular Pyramid

Length = n

Surface area	176389511180.43
Volume	3.0640223776134E+16
Height	300870.63556323