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

221385 (number)

221385 is an odd 6-digits composite number following 221384 and preceding 221386. In scientific notation, it is written as 2.21385 × 10^5. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 118064 positive integers (up to 221385) that are relatively prime to 221385.

Interesting facts

221385 has 4 divisors, whose sum is 236160
The reverse of 221385 is 583122
Previous prime number is 15

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 21
Digital Root 3

Name

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

Notation

Scientific notation	2.21385 × 10^5
Engineering notation	2.21385 × 10^3

Prime Factorization of 221385

Prime Factorization 15 × 14759

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	221385	Product of the distinct prime numbers

The prime factorization of 221385 is 15 × 14759. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 1, 55, 28, 979, 110, 4133, 7450, 4078, 4573, 745105, 450207, 5163120, 8880933, 87957392, 30523155, 367927201, 482562916, 8099084151, 2579466569

Basic calculations (n = 221385)

Multiplication

n×y

n×2	442770
n×3	664155
n×4	885540
n×5	1106925

Division

n÷y

n÷2	110692.5
n÷3	73795
n÷3	55346.25
n÷5	44277

Exponentiation

n^y

n²	49011318225
n³	10850370685241625
n⁴	2.4021093141522E+21
n⁵	5.3179097051359E+26

Nth Root

^y√n

²√n	470.51567455293
³√n	60.494524013171
⁴√n	21.691373274943
⁵√n	11.722753645703

Divisors of 221385

1, 15, 14759, 221385

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-221384	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221385 can be divided by 4 positive divisors. The sum of these divisors (counting 221385) is 1, the average is 0.25.

Base conversion 221385

Base	System	Value
2	Binary	110110000011001001
3	Ternary	102020200110
4	Quaternary	312003021
5	Quinary	24041020
6	Senary	4424533
8	Octal	660311
10	Decimal	221385
12	Duodecimal	a8149
16	Hexadecimal	360c9
20	Vigesimal	17d95
36	Base36	4qtl

Cryptographic Hash Functions

md5	0361fa968489e13b10337f1e6dcfd6c3
sha1	50de6e965cd8050090237b6c5484cd50b262e843
sha256	801076003326d69d02e628859e62f644cfd39544c302e057bbe121fe4c5acd76
sha512	dbacbbee9630efd573fdf48aa89ae449bd8945b0558d06e616664ddf8cf25a0ca7dba114188006ddfcff79cbf0afdcc750f21a9c93e264f6e085b2392e611372
ripemd-160	490d9bb7f4a773d4a5f698bf35876891d09ef984

221385 as geometric shapes

Circle

Radius = n

Diameter	442770
Circumference	1391002.97923
Area	153973597278.41

Sphere

Radius = n

Volume	4.5449926444642E+16
Surface area	615894389113.65
Circumference	1391002.97923

Square

Length = n

Perimeter	885540
Area	49011318225
Diagonal	313085.66950597

Cube

Length = n

Surface area	294067909350
Volume	10850370685241625
Space diagonal	383450.06803364

Equilateral Triangle

Length = n

Perimeter	664155
Area	21222523327.907
Altitude	191725.03401682

Triangular Pyramid

Length = n

Surface area	21222523327.907
Volume	1.2787284483203E+15
Height	104361.88983532