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

661640 (number)

661640 is an even 6-digits composite number following 661639 and preceding 661641. In scientific notation, it is written as 6.61640 × 10^5. The sum of its digits is 23. It has a total of 7 prime factors and 64 positive divisors. There are 211968 positive integers (up to 661640) that are relatively prime to 661640.

Interesting facts

661640 has 64 divisors, whose sum is 1814400
The reverse of 661640 is 046166
Previous prime number is 17

Basic properties

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

Name

Name	six hundred sixty-one thousand six hundred forty

Notation

Scientific notation	6.61640 × 10^5
Engineering notation	6.61640 × 10^3

Prime Factorization of 661640

Prime Factorization 2 × 2 × 2 × 5 × 7 × 17 × 139

Composite number

ω	Distinct Factors	5	Total number of distinct prime factors
Ω	Total Factors	7	Total number of prime factors
rad	Radical	165410	Product of the distinct prime numbers

The prime factorization of 661640 is 2 × 2 × 2 × 5 × 7 × 17 × 139. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 7, 8, 8, 481, 211, 492, 4159, 70749, 68718, 498110, 840933, 3921627, 6698984, 21501264, 8344909, 937191514, 574625934, 3579498619, 7845673201

Basic calculations (n = 661640)

Multiplication

n×y

n×2	1323280
n×3	1984920
n×4	2646560
n×5	3308200

Division

n÷y

n÷2	330820
n÷3	220546.66666667
n÷3	165410
n÷5	132328

Exponentiation

n^y

n²	437767489600
n³	289644481818944000
n⁴	1.9164037495069E+23
n⁵	1.2679693768237E+29

Nth Root

^y√n

²√n	813.41256444685
³√n	87.137932433075
⁴√n	28.520388574612
⁵√n	14.592320191964

Divisors of 661640

1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 139, 140, 170, 238, 278, 280, 340, 476, 556, 595, 680, 695, 952, 973, 1112, 1190, 1390, 1946, 2363, 2380, 2780, 3892, 4726, 4760, 4865, 5560, 7784, 9452, 9730, 11815, 16541, 18904, 19460, 23630, 33082, 38920, 47260, 66164, 82705, 94520, 132328, 165410, 330820, 661640

64 divisors

τ	Total Divisors	64	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-661639	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.015625	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	64	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 661640 can be divided by 64 positive divisors. The sum of these divisors (counting 661640) is 1, the average is 0.015625.

Base conversion 661640

Base	System	Value
2	Binary	10100001100010001000
3	Ternary	1020121121012
4	Quaternary	2201202020
5	Quinary	132133030
6	Senary	22103052
8	Octal	2414210
10	Decimal	661640
12	Duodecimal	27aa88
16	Hexadecimal	a1888
20	Vigesimal	42e20
36	Base36	e6iw

Cryptographic Hash Functions

md5	28378507135c4cbaa1680b345e8a50c0
sha1	d846ee36f29235499043b93e5d9dd543072c0f1f
sha256	f778182875f67556642ad514e94e2bdc2756216876fcacc5239f70a76f95d688
sha512	273959488caaf23966aa667ca8b8959d887ac564e22312a5fea67049e0278f3804358adb16345f8c2196fb14cb9903ee548a43e1d5ad398f5527a08093b07651
ripemd-160	29e1aa30c996e8cb67630269958de14960bb30d5

661640 as geometric shapes

Circle

Radius = n

Diameter	1323280
Circumference	4157206.7266423
Area	1375287129307.8

Sphere

Radius = n

Volume	1.2132599683136E+18
Surface area	5501148517231.2
Circumference	4157206.7266423

Square

Length = n

Perimeter	2646560
Area	437767489600
Diagonal	935700.26140853

Cube

Length = n

Surface area	2626604937600
Volume	289644481818944000
Space diagonal	1145994.0963199

Equilateral Triangle

Length = n

Perimeter	1984920
Area	189558883472.27
Altitude	572997.04815994

Triangular Pyramid

Length = n

Surface area	189558883472.27
Volume	3.4134929537906E+16
Height	311900.08713618