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

642938 (number)

642938 is an even 6-digits composite number following 642937 and preceding 642939. In scientific notation, it is written as 6.42938 × 10^5. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 321468 positive integers (up to 642938) that are relatively prime to 642938.

Interesting facts

642938 has 4 divisors, whose sum is 964410
The reverse of 642938 is 839246
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	6.42938 × 10^5
Engineering notation	6.42938 × 10^3

Prime Factorization of 642938

Prime Factorization 2 × 321469

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	642938	Product of the distinct prime numbers

The prime factorization of 642938 is 2 × 321469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 95, 34, 841, 41, 3044, 4967, 39451, 40437, 333744, 96119, 532341, 8893404, 30051047, 39625834, 128448311, 547012423, 7419855244, 5199818841

Basic calculations (n = 642938)

Multiplication

n×y

n×2	1285876
n×3	1928814
n×4	2571752
n×5	3214690

Division

n÷y

n÷2	321469
n÷3	214312.66666667
n÷3	160734.5
n÷5	128587.6

Exponentiation

n^y

n²	413369271844
n³	265770812900837672
n⁴	1.7087415490484E+23
n⁵	1.0986148740621E+29

Nth Root

^y√n

²√n	801.83414743948
³√n	86.309055683398
⁴√n	28.316676136854
⁵√n	14.508877669002

Divisors of 642938

1, 2, 321469, 642938

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	-642937	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 642938 can be divided by 4 positive divisors. The sum of these divisors (counting 642938) is 1, the average is 0.25.

Base conversion 642938

Base	System	Value
2	Binary	10011100111101111010
3	Ternary	1012122221112
4	Quaternary	2130331322
5	Quinary	131033223
6	Senary	21440322
8	Octal	2347572
10	Decimal	642938
12	Duodecimal	2700a2
16	Hexadecimal	9cf7a
20	Vigesimal	4076i
36	Base36	ds3e

Cryptographic Hash Functions

md5	45633a349cd4cb6e31978b69b6aafc9a
sha1	7670c23ea4ff5f091b9bea46270b9e0b2f98bfce
sha256	41e3157077281be6d97b60153a701701b31d845c9e0704a0e6b245e74579f2ea
sha512	2cc06d818c3e16053424c873cff60000962d2924459b69e411ac238faa2c51ede64b669f797eb411f79771d08b77e87b88c953731dea17d9a0fc1e15ff0101d1
ripemd-160	08e9301853fb00bd9a6e0c62e61b7ebc3aa544f0

642938 as geometric shapes

Circle

Radius = n

Diameter	1285876
Circumference	4039698.5950274
Area	1298637867644.9

Sphere

Radius = n

Volume	1.1132581777971E+18
Surface area	5194551470579.5
Circumference	4039698.5950274

Square

Length = n

Perimeter	2571752
Area	413369271844
Diagonal	909251.63936503

Cube

Length = n

Surface area	2480215631064
Volume	265770812900837672
Space diagonal	1113601.2821167

Equilateral Triangle

Length = n

Perimeter	1928814
Area	178994145280.39
Altitude	556800.64105836

Triangular Pyramid

Length = n

Surface area	178994145280.39
Volume	3.1321390673941E+16
Height	303083.87978834