221389 (number)

221389 is an odd 6-digits composite number following 221388 and preceding 221390. In scientific notation, it is written as 2.21389 × 10^5. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 189756 positive integers (up to 221389) that are relatively prime to 221389.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21389 × 10^5
Engineering notation 2.21389 × 10^3

Prime Factorization of 221389

Prime Factorization 7 × 31627

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221389
Product of the distinct prime numbers

The prime factorization of 221389 is 7 × 31627. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221389)

Multiplication

n×y
n×2 442778
n×3 664167
n×4 885556
n×5 1106945

Division

n÷y
n÷2 110694.5
n÷3 73796.333333333
n÷3 55347.25
n÷5 44277.8

Exponentiation

ny
n2 49013089321
n3 10850958831686869
n4 2.4022829247883E+21
n5 5.3183901443596E+26

Nth Root

y√n
2√n 470.51992518915
3√n 60.494888350771
4√n 21.6914712546
5√n 11.722796006907

Divisors of 221389

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 -221388
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 221389 can be divided by 4 positive divisors. The sum of these divisors (counting 221389) is 1, the average is 0.25.

Base conversion 221389

Base System Value
2 Binary 110110000011001101
3 Ternary 102020200121
4 Quaternary 312003031
5 Quinary 24041024
6 Senary 4424541
8 Octal 660315
10 Decimal 221389
12 Duodecimal a8151
16 Hexadecimal 360cd
20 Vigesimal 17d99
36 Base36 4qtp

Cryptographic Hash Functions

md5 20e3f04a17822029d707be9946725fb3
sha1 8184f72616725cf36a9878548a64e76bace5fa9d
sha256 fe8aff9536e46f92a16ce5fe6ac2339264ab3ac1f14e82af6f25d89cc03ed40f
sha512 896788305c891cb0ec9578f167c617e48785448ce07fd3b93eeb7c383dd337212c6ed74ca301e61a662a19ef6c1d02fca2ac4297571c852fe08764128a1e26a5
ripemd-160 8f1d3fa72523395f4d17c17c35fe8da60bb4443d

221389 as geometric shapes

Circle

Radius = n
Diameter 442778
Circumference 1391028.1119712
Area 153979161340.59

Sphere

Radius = n
Volume 4.545239006671E+16
Surface area 615916645362.38
Circumference 1391028.1119712

Square

Length = n
Perimeter 885556
Area 49013089321
Diagonal 313091.32636022

Cube

Length = n
Surface area 294078535926
Volume 10850958831686869
Space diagonal 383456.99623687

Equilateral Triangle

Length = n
Perimeter 664167
Area 21223290234.971
Altitude 191728.49811843

Triangular Pyramid

Length = n
Surface area 21223290234.971
Volume 1.2787977620436E+15
Height 104363.77545341