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

221491 (number)

221491 is an odd 6-digits composite number following 221490 and preceding 221492. In scientific notation, it is written as 2.21491 × 10^5. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 217800 positive integers (up to 221491) that are relatively prime to 221491.

Interesting facts

221491 has 4 divisors, whose sum is 225184
The reverse of 221491 is 194122
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 19
Digital Root 1

Name

Name	two hundred twenty-one thousand four hundred ninety-one

Notation

Scientific notation	2.21491 × 10^5
Engineering notation	2.21491 × 10^3

Prime Factorization of 221491

Prime Factorization 61 × 3631

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	221491	Product of the distinct prime numbers

The prime factorization of 221491 is 61 × 3631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 48, 34, 672, 213, 4361, 5787, 63690, 19022, 691786, 111864, 6278506, 3812266, 47023514, 66847141, 999214309, 259963736, 9326206356, 7261458175

Basic calculations (n = 221491)

Multiplication

n×y

n×2	442982
n×3	664473
n×4	885964
n×5	1107455

Division

n÷y

n÷2	110745.5
n÷3	73830.333333333
n÷3	55372.75
n÷5	44298.2

Exponentiation

n^y

n²	49058263081
n³	10865963748073771
n⁴	2.4067131765246E+21
n⁵	5.3306530818161E+26

Nth Root

^y√n

²√n	470.62830344126
³√n	60.504177477177
⁴√n	21.693969287368
⁵√n	11.723876010784

Divisors of 221491

1, 61, 3631, 221491

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	-221490	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 221491 can be divided by 4 positive divisors. The sum of these divisors (counting 221491) is 1, the average is 0.25.

Base conversion 221491

Base	System	Value
2	Binary	110110000100110011
3	Ternary	102020211101
4	Quaternary	312010303
5	Quinary	24041431
6	Senary	4425231
8	Octal	660463
10	Decimal	221491
12	Duodecimal	a8217
16	Hexadecimal	36133
20	Vigesimal	17deb
36	Base36	4qwj

Cryptographic Hash Functions

md5	7cc47e415b8c8ccc2420a2a6f4b31443
sha1	4cbb9e346b1261db7c8cd23591f7c18b1a036a62
sha256	6a3dbda0d83447a49d864b659bffd0425e004694c0d88b550e3e427b99c4975b
sha512	b70f4db64ca515ef6e5c4d2f123b18c150bf0976b661f684d3a17f82b5e87764ab4d1af92f9cb8b68e879626822693be8bc0c0a95ade1e28146cce1f7e8b2c9e
ripemd-160	23e9fc8828a12d42a7dce60c96936e7fc3ce45a6

221491 as geometric shapes

Circle

Radius = n

Diameter	442982
Circumference	1391668.9968725
Area	154121078893.14

Sphere

Radius = n

Volume	4.5515242513495E+16
Surface area	616484315572.58
Circumference	1391668.9968725

Square

Length = n

Perimeter	885964
Area	49058263081
Diagonal	313235.57614358

Cube

Length = n

Surface area	294349578486
Volume	10865963748073771
Space diagonal	383633.66541924

Equilateral Triangle

Length = n

Perimeter	664473
Area	21242851046.843
Altitude	191816.83270962

Triangular Pyramid

Length = n

Surface area	21242851046.843
Volume	1.2805661083984E+15
Height	104411.85871453