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

661688 (number)

661688 is an even 6-digits composite number following 661687 and preceding 661689. In scientific notation, it is written as 6.61688 × 10^5. The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors. There are 327328 positive integers (up to 661688) that are relatively prime to 661688.

Interesting facts

661688 has 16 divisors, whose sum is 1253880
The reverse of 661688 is 886166
Previous prime number is 107

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 35
Digital Root 8

Name

Name	six hundred sixty-one thousand six hundred eighty-eight

Notation

Scientific notation	6.61688 × 10^5
Engineering notation	6.61688 × 10^3

Prime Factorization of 661688

Prime Factorization 2 × 2 × 2 × 107 × 773

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	165422	Product of the distinct prime numbers

The prime factorization of 661688 is 2 × 2 × 2 × 107 × 773. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 81, 31, 671, 714, 5741, 608, 29678, 17507, 339585, 653634, 8170471, 1790866, 40429223, 5725121, 906059379, 314540887, 8988051729, 2988314561

Basic calculations (n = 661688)

Multiplication

n×y

n×2	1323376
n×3	1985064
n×4	2646752
n×5	3308440

Division

n÷y

n÷2	330844
n÷3	220562.66666667
n÷3	165422
n÷5	132337.6

Exponentiation

n^y

n²	437831009344
n³	289707524910812672
n⁴	1.9169599274319E+23
n⁵	1.2684293804625E+29

Nth Root

^y√n

²√n	813.44206923419
³√n	87.140039580777
⁴√n	28.520905827729
⁵√n	14.592531911644

Divisors of 661688

1, 2, 4, 8, 107, 214, 428, 773, 856, 1546, 3092, 6184, 82711, 165422, 330844, 661688

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	-661687	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 661688 can be divided by 16 positive divisors. The sum of these divisors (counting 661688) is 1, the average is 0.0625.

Base conversion 661688

Base	System	Value
2	Binary	10100001100010111000
3	Ternary	1020121122222
4	Quaternary	2201202320
5	Quinary	132133223
6	Senary	22103212
8	Octal	2414270
10	Decimal	661688
12	Duodecimal	27ab08
16	Hexadecimal	a18b8
20	Vigesimal	42e48
36	Base36	e6k8

Cryptographic Hash Functions

md5	4577b0ccddc20cecea5c5b9b72fca33c
sha1	bc5082a8ffc91910ea26c052d6caca0f30187eeb
sha256	3deea867142a94ef41a556c295685e570f251e2a841f983caa440839c64b880d
sha512	d82bab7c044d79b1887756714a24d6cb3bb733cf16aaa284c508f12f3726a2dc6265485b5597c8d43d44d310c35fbf1dc986b0823a7d26093077546079eec459
ripemd-160	30b2399cb64d7b54d8610a2653820c55def84ec6

661688 as geometric shapes

Circle

Radius = n

Diameter	1323376
Circumference	4157508.319537
Area	1375486682468.9

Sphere

Radius = n

Volume	1.2135240425993E+18
Surface area	5501946729875.7
Circumference	4157508.319537

Square

Length = n

Perimeter	2646752
Area	437831009344
Diagonal	935768.14365953

Cube

Length = n

Surface area	2626986056064
Volume	289707524910812672
Space diagonal	1146077.2347586

Equilateral Triangle

Length = n

Perimeter	1985064
Area	189586388328.24
Altitude	573038.61737932

Triangular Pyramid

Length = n

Surface area	189586388328.24
Volume	3.4142359237534E+16
Height	311922.71455318