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

221645 (number)

221645 is an odd 6-digits composite number following 221644 and preceding 221646. In scientific notation, it is written as 2.21645 × 10^5. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 175104 positive integers (up to 221645) that are relatively prime to 221645.

Interesting facts

221645 has 8 divisors, whose sum is 269304
The reverse of 221645 is 546122
Previous prime number is 97

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2

Name

Name	two hundred twenty-one thousand six hundred forty-five

Notation

Scientific notation	2.21645 × 10^5
Engineering notation	2.21645 × 10^3

Prime Factorization of 221645

Prime Factorization 5 × 97 × 457

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	221645	Product of the distinct prime numbers

The prime factorization of 221645 is 5 × 97 × 457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 30, 5, 835, 220, 7148, 9751, 70901, 64080, 269518, 718010, 6281988, 1094352, 72710648, 1725018, 305400386, 918262175, 2573268424, 6052113206

Basic calculations (n = 221645)

Multiplication

n×y

n×2	443290
n×3	664935
n×4	886580
n×5	1108225

Division

n÷y

n÷2	110822.5
n÷3	73881.666666667
n÷3	55411.25
n÷5	44329

Exponentiation

n^y

n²	49126506025
n³	10888644427911125
n⁴	2.4134135942244E+21
n⁵	5.3492105609186E+26

Nth Root

^y√n

²√n	470.79188608131
³√n	60.5181968349
⁴√n	21.697739192859
⁵√n	11.72550585126

Divisors of 221645

1, 5, 97, 457, 485, 2285, 44329, 221645

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	-221644	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 221645 can be divided by 8 positive divisors. The sum of these divisors (counting 221645) is 1, the average is 0.125.

Base conversion 221645

Base	System	Value
2	Binary	110110000111001101
3	Ternary	102021001002
4	Quaternary	312013031
5	Quinary	24043040
6	Senary	4430045
8	Octal	660715
10	Decimal	221645
12	Duodecimal	a8325
16	Hexadecimal	361cd
20	Vigesimal	17e25
36	Base36	4r0t

Cryptographic Hash Functions

md5	b5485d6e7c930eda85c4e0a083850078
sha1	be97c0e6fb4e962f08b31697d9591a44d5e9b010
sha256	797739bfe9515908e5532dfaa58dfc6dd240180594bcc86f8d40fa88c7f611ce
sha512	f805c40eb0fba779d3645d08ef8d6ec3401d27fb0d9f42e2a7948337093059ec9de15097e886bb0c69d2f95b618343cceab49fccbeaa260fe78f090cfbe240f5
ripemd-160	fbf3b29e457ab13268acdd728da166c7f68dd244

221645 as geometric shapes

Circle

Radius = n

Diameter	443290
Circumference	1392636.6074098
Area	154335470424.67

Sphere

Radius = n

Volume	4.5610247123036E+16
Surface area	617341881698.7
Circumference	1392636.6074098

Square

Length = n

Perimeter	886580
Area	49126506025
Diagonal	313453.36503218

Cube

Length = n

Surface area	294759036150
Volume	10888644427911125
Space diagonal	383900.4012436

Equilateral Triangle

Length = n

Perimeter	664935
Area	21272401108.41
Altitude	191950.2006218

Triangular Pyramid

Length = n

Surface area	21272401108.41
Volume	1.2832390521508E+15
Height	104484.45501073