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

640904 (number)

640904 is an even 6-digits composite number following 640903 and preceding 640905. In scientific notation, it is written as 6.40904 × 10^5. The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors. There are 291280 positive integers (up to 640904) that are relatively prime to 640904.

Interesting facts

640904 has 16 divisors, whose sum is 1311120
The reverse of 640904 is 409046
Previous prime number is 11

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 23
Digital Root 5

Name

Name	six hundred forty thousand nine hundred four

Notation

Scientific notation	6.40904 × 10^5
Engineering notation	6.40904 × 10^3

Prime Factorization of 640904

Prime Factorization 2 × 2 × 2 × 11 × 7283

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	160226	Product of the distinct prime numbers

The prime factorization of 640904 is 2 × 2 × 2 × 11 × 7283. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 8, 46, 48, 40, 142, 3281, 6750, 46656, 15221, 428179, 890014, 8252719, 64861, 43539352, 44060094, 900817634, 620373381, 6960511328, 6095924227

Basic calculations (n = 640904)

Multiplication

n×y

n×2	1281808
n×3	1922712
n×4	2563616
n×5	3204520

Division

n÷y

n÷2	320452
n÷3	213634.66666667
n÷3	160226
n÷5	128180.8

Exponentiation

n^y

n²	410757937216
n³	263256404993483264
n⁴	1.6872208298594E+23
n⁵	1.0813465787402E+29

Nth Root

^y√n

²√n	800.56480062516
³√n	86.217943698765
⁴√n	28.294253844644
⁵√n	14.499685966935

Divisors of 640904

1, 2, 4, 8, 11, 22, 44, 88, 7283, 14566, 29132, 58264, 80113, 160226, 320452, 640904

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-640903	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 640904 can be divided by 16 positive divisors. The sum of these divisors (counting 640904) is 1, the average is 0.0625.

Base conversion 640904

Base	System	Value
2	Binary	10011100011110001000
3	Ternary	1012120011012
4	Quaternary	2130132020
5	Quinary	131002104
6	Senary	21423052
8	Octal	2343610
10	Decimal	640904
12	Duodecimal	26aa88
16	Hexadecimal	9c788
20	Vigesimal	40254
36	Base36	dqiw

Cryptographic Hash Functions

md5	f21533acea3eb0d65695ab3613e7d533
sha1	cfa7ac20dd8e1156dee72fb7922026eea11d4962
sha256	71f6374e04be98fc4c7cbf5dcb8a586279fffe5c3194f20fd79e5215fa7e83b5
sha512	d593a4285f7895a774cdededcf48077e6322259c173b2e45c2d46a56361b5a27ab8dd7379fc647f906bb70f712c544ce29e174a9309c7102a7fa5fbd0c7bf927
ripemd-160	564547c40627a346b2e44e7defe58b9a816f6bd9

640904 as geometric shapes

Circle

Radius = n

Diameter	1281808
Circumference	4026918.5961126
Area	1290434117961.5

Sphere

Radius = n

Volume	1.102725850584E+18
Surface area	5161736471845.9
Circumference	4026918.5961126

Square

Length = n

Perimeter	2563616
Area	410757937216
Diagonal	906375.12897917

Cube

Length = n

Surface area	2464547623296
Volume	263256404993483264
Space diagonal	1110078.2907741

Equilateral Triangle

Length = n

Perimeter	1922712
Area	177863404217.57
Altitude	555039.14538706

Triangular Pyramid

Length = n

Surface area	177863404217.57
Volume	3.1025064860281E+16
Height	302125.04299306