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

640439 (number)

640439 is an odd 6-digits composite number following 640438 and preceding 640440. In scientific notation, it is written as 6.40439 × 10^5. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 629880 positive integers (up to 640439) that are relatively prime to 640439.

Interesting facts

640439 has 4 divisors, whose sum is 651000
The reverse of 640439 is 934046
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 forty thousand four hundred thirty-nine

Notation

Scientific notation	6.40439 × 10^5
Engineering notation	6.40439 × 10^3

Prime Factorization of 640439

Prime Factorization 61 × 10499

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	640439	Product of the distinct prime numbers

The prime factorization of 640439 is 61 × 10499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 59, 11, 751, 134, 2286, 3619, 50146, 28872, 906752, 511628, 6470237, 7062071, 77592675, 64286666, 46615882, 957948025, 1565344571, 4068201810

Basic calculations (n = 640439)

Multiplication

n×y

n×2	1280878
n×3	1921317
n×4	2561756
n×5	3202195

Division

n÷y

n÷2	320219.5
n÷3	213479.66666667
n÷3	160109.75
n÷5	128087.8

Exponentiation

n^y

n²	410162112721
n³	262683813308924519
n⁴	1.6823295871175E+23
n⁵	1.077429478444E+29

Nth Root

^y√n

²√n	800.2743279651
³√n	86.197087198333
⁴√n	28.289120310909
⁵√n	14.497581342355

Divisors of 640439

1, 61, 10499, 640439

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	-640438	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 640439 can be divided by 4 positive divisors. The sum of these divisors (counting 640439) is 1, the average is 0.25.

Base conversion 640439

Base	System	Value
2	Binary	10011100010110110111
3	Ternary	1012112111222
4	Quaternary	2130112313
5	Quinary	130443224
6	Senary	21420555
8	Octal	2342667
10	Decimal	640439
12	Duodecimal	26a75b
16	Hexadecimal	9c5b7
20	Vigesimal	4011j
36	Base36	dq5z

Cryptographic Hash Functions

md5	49f1b2199588b6ac36b78081fb93869e
sha1	123214370e1945d41b6df5ed69b0d7493959d630
sha256	b6e9bc705c5ac8ef047906ca662f451fec35351ef0f94c6e081624126a0064d7
sha512	489a6abd7f0913aef4addbcaf2c4954e8dbc8b3481c2e1cc8a3ae96bb2a69c369ad9a2e9f7764860400ebb99984e7625886071809882bdd89a9e719d2c08e9d8
ripemd-160	f4f62c49b57b85e24599c0779b182bd4c1644c36

640439 as geometric shapes

Circle

Radius = n

Diameter	1280878
Circumference	4023996.9149448
Area	1288562280105.2

Sphere

Radius = n

Volume	1.1003273841444E+18
Surface area	5154249120420.6
Circumference	4023996.9149448

Square

Length = n

Perimeter	2561756
Area	410162112721
Diagonal	905717.51967266

Cube

Length = n

Surface area	2460972676326
Volume	262683813308924519
Space diagonal	1109272.8871486

Equilateral Triangle

Length = n

Perimeter	1921317
Area	177605404643.14
Altitude	554636.4435743

Triangular Pyramid

Length = n

Surface area	177605404643.14
Volume	3.0957584283114E+16
Height	301905.83989089