221409 (number)

221409 is an odd 6-digits composite number following 221408 and preceding 221410. In scientific notation, it is written as 2.21409 × 10^5. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 145152 positive integers (up to 221409) that are relatively prime to 221409.

Interesting facts

Basic properties

Name

Name two hundred twenty-one thousand four hundred nine

Notation

Scientific notation 2.21409 × 10^5
Engineering notation 2.21409 × 10^3

Prime Factorization of 221409

Prime Factorization 9 × 73 × 337

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221409
Product of the distinct prime numbers

The prime factorization of 221409 is 9 × 73 × 337. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221409)

Multiplication

n×y
n×2 442818
n×3 664227
n×4 885636
n×5 1107045

Division

n÷y
n÷2 110704.5
n÷3 73803
n÷3 55352.25
n÷5 44281.8

Exponentiation

ny
n2 49021945281
n3 10853899882720929
n4 2.4031511191334E+21
n5 5.320792861362E+26

Nth Root

y√n
2√n 470.54117779425
3√n 60.496709972946
4√n 21.691961132969
5√n 11.723007803742

Divisors of 221409

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 -221408
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 221409 can be divided by 8 positive divisors. The sum of these divisors (counting 221409) is 1, the average is 0.125.

Base conversion 221409

Base System Value
2 Binary 110110000011100001
3 Ternary 102020201100
4 Quaternary 312003201
5 Quinary 24041114
6 Senary 4425013
8 Octal 660341
10 Decimal 221409
12 Duodecimal a8169
16 Hexadecimal 360e1
20 Vigesimal 17da9
36 Base36 4qu9

Cryptographic Hash Functions

md5 a10c21610f13d09f900bc98771d40640
sha1 04a5dc7b88193907fbb1dade5fc7de3c98e006f0
sha256 08fef98d3947ba1c775deae0571e6b96eef1004b2f8e9cd2b723627ecfc1f4bb
sha512 e6d452b3d722dd8c7a068e6476652c62e27d5dd428434370c90ff76e8a272c996a2fa5865f1c0b9ca74044ddb9c8e576c8028f3e2a2839fa34534ebb7bbdeda6
ripemd-160 81f923542b9109fe8e7d005c47cf5af808587025

221409 as geometric shapes

Circle

Radius = n
Diameter 442818
Circumference 1391153.7756773
Area 154006983159.47

Sphere

Radius = n
Volume 4.5464709512474E+16
Surface area 616027932637.88
Circumference 1391153.7756773

Square

Length = n
Perimeter 885636
Area 49021945281
Diagonal 313119.61063146

Cube

Length = n
Surface area 294131671686
Volume 10853899882720929
Space diagonal 383491.63725302

Equilateral Triangle

Length = n
Perimeter 664227
Area 21227124978.138
Altitude 191745.81862651

Triangular Pyramid

Length = n
Surface area 21227124978.138
Volume 1.279144368232E+15
Height 104373.20354382