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

221985 (number)

221985 is an odd 6-digits composite number following 221984 and preceding 221986. In scientific notation, it is written as 2.21985 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 118368 positive integers (up to 221985) that are relatively prime to 221985.

Interesting facts

221985 has 12 divisors, whose sum is 384852
The reverse of 221985 is 589122
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 27
Digital Root 9

Name

Name	two hundred twenty-one thousand nine hundred eighty-five

Notation

Scientific notation	2.21985 × 10^5
Engineering notation	2.21985 × 10^3

Prime Factorization of 221985

Prime Factorization 3 × 5 × 3 × 4933

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	73995	Product of the distinct prime numbers

The prime factorization of 221985 is 3 × 5 × 3 × 4933. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 41, 43, 562, 405, 4622, 7331, 24049, 59628, 185402, 192473, 9427045, 3213499, 14869386, 86738621, 437085978, 805110175, 6002812405, 3062105804

Basic calculations (n = 221985)

Multiplication

n×y

n×2	443970
n×3	665955
n×4	887940
n×5	1109925

Division

n÷y

n÷2	110992.5
n÷3	73995
n÷3	55496.25
n÷5	44397

Exponentiation

n^y

n²	49277340225
n³	10938830369846625
n⁴	2.4282562596504E+21
n⁵	5.3903646579849E+26

Nth Root

^y√n

²√n	471.1528414432
³√n	60.549125684632
⁴√n	21.706055409567
⁵√n	11.729100994883

Divisors of 221985

1, 3, 5, 9, 15, 45, 4933, 14799, 24665, 44397, 73995, 221985

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-221984	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221985 can be divided by 12 positive divisors. The sum of these divisors (counting 221985) is 1, the average is 0.083333333333333.

Base conversion 221985

Base	System	Value
2	Binary	110110001100100001
3	Ternary	102021111200
4	Quaternary	312030201
5	Quinary	24100420
6	Senary	4431413
8	Octal	661441
10	Decimal	221985
12	Duodecimal	a8569
16	Hexadecimal	36321
20	Vigesimal	17ej5
36	Base36	4ra9

Cryptographic Hash Functions

md5	101342b37476104c212c5c2c0ed9bf62
sha1	28bfedeffd66ab9e2554f753cae46bb77443afbe
sha256	88d440bf4ad0e0b010db4a9696973c06a72547f6661e4a4b748a8457709a9311
sha512	df8b35f05881fd709d21fa5650e79032c0cbbe8f5c73ed048cff306102052809282351881c9f567a4b03a511ca655a067176506d7097c52b6109b984a44b85c4
ripemd-160	46883bfe8bb20ea6f4e526356eb50cafd01b55ee

221985 as geometric shapes

Circle

Radius = n

Diameter	443970
Circumference	1394772.8904143
Area	154809330039.3

Sphere

Radius = n

Volume	4.5820465505033E+16
Surface area	619237320157.22
Circumference	1394772.8904143

Square

Length = n

Perimeter	887940
Area	49277340225
Diagonal	313934.19764339

Cube

Length = n

Surface area	295664041350
Volume	10938830369846625
Space diagonal	384489.29851818

Equilateral Triangle

Length = n

Perimeter	665955
Area	21337714232.889
Altitude	192244.64925909

Triangular Pyramid

Length = n

Surface area	21337714232.889
Volume	1.289153522128E+15
Height	104644.7325478