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

221666 (number)

221666 is an even 6-digits composite number following 221665 and preceding 221667. In scientific notation, it is written as 2.21666 × 10^5. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 109888 positive integers (up to 221666) that are relatively prime to 221666.

Interesting facts

221666 has 8 divisors, whose sum is 335340
The reverse of 221666 is 666122
Previous prime number is 137

Basic properties

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

Name

Name	two hundred twenty-one thousand six hundred sixty-six

Notation

Scientific notation	2.21666 × 10^5
Engineering notation	2.21666 × 10^3

Prime Factorization of 221666

Prime Factorization 2 × 137 × 809

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	221666	Product of the distinct prime numbers

The prime factorization of 221666 is 2 × 137 × 809. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 80, 12, 869, 770, 7692, 7202, 55564, 1068, 236234, 119784, 2438971, 4184587, 453614, 10873788, 231902331, 156050449, 1427078230, 3815318351

Basic calculations (n = 221666)

Multiplication

n×y

n×2	443332
n×3	664998
n×4	886664
n×5	1108330

Division

n÷y

n÷2	110833
n÷3	73888.666666667
n÷3	55416.5
n÷5	44333.2

Exponentiation

n^y

n²	49135815556
n³	10891739691036296
n⁴	2.4143283703533E+21
n⁵	5.3517451254272E+26

Nth Root

^y√n

²√n	470.81418840133
³√n	60.520108062311
⁴√n	21.698253118657
⁵√n	11.725728032037

Divisors of 221666

1, 2, 137, 274, 809, 1618, 110833, 221666

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-221665	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221666 can be divided by 8 positive divisors. The sum of these divisors (counting 221666) is 1, the average is 0.125.

Base conversion 221666

Base	System	Value
2	Binary	110110000111100010
3	Ternary	102021001212
4	Quaternary	312013202
5	Quinary	24043131
6	Senary	4430122
8	Octal	660742
10	Decimal	221666
12	Duodecimal	a8342
16	Hexadecimal	361e2
20	Vigesimal	17e36
36	Base36	4r1e

Cryptographic Hash Functions

md5	c6139708f77b9f0d57003aace86cefdd
sha1	3ef2eaba00f28b6e900d526fde414a4a88cd311f
sha256	5d5823011bd4c23a6d37fbbcb5fc73d7a96d5264b4da77b094758e742e6e7db7
sha512	6b8d473add10cef3bc1a1647947c695a83b2bb3146293079137af6f155bd0f8205589198fa36362f2ba8ffbdd8af2f2767f249da747d93b684e7021c3ec973e7
ripemd-160	b64bbdc9d4b900cff62f372f53073c554847c536

221666 as geometric shapes

Circle

Radius = n

Diameter	443332
Circumference	1392768.5543013
Area	154364717178.87

Sphere

Radius = n

Volume	4.5623212530896E+16
Surface area	617458868715.49
Circumference	1392768.5543013

Square

Length = n

Perimeter	886664
Area	49135815556
Diagonal	313483.06351699

Cube

Length = n

Surface area	294814893336
Volume	10891739691036296
Space diagonal	383936.77431056

Equilateral Triangle

Length = n

Perimeter	664998
Area	21276432253.581
Altitude	191968.38715528

Triangular Pyramid

Length = n

Surface area	21276432253.581
Volume	1.2836038324084E+15
Height	104494.35450566