221408 (number)

221408 is an even 6-digits composite number following 221407 and preceding 221409. In scientific notation, it is written as 2.21408 × 10^5. The sum of its digits is 17. It has a total of 7 prime factors and 24 positive divisors. There are 92160 positive integers (up to 221408) that are relatively prime to 221408.

Interesting facts

Basic properties

Name

Name two hundred twenty-one thousand four hundred eight

Notation

Scientific notation 2.21408 × 10^5
Engineering notation 2.21408 × 10^3

Prime Factorization of 221408

Prime Factorization 2 × 2 × 2 × 2 × 2 × 187 × 37

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 13838
Product of the distinct prime numbers

The prime factorization of 221408 is 2 × 2 × 2 × 2 × 2 × 187 × 37. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221408)

Multiplication

n×y
n×2 442816
n×3 664224
n×4 885632
n×5 1107040

Division

n÷y
n÷2 110704
n÷3 73802.666666667
n÷3 55352
n÷5 44281.6

Exponentiation

ny
n2 49021502464
n3 10853752817549312
n4 2.403107703828E+21
n5 5.3206727048914E+26

Nth Root

y√n
2√n 470.54011518679
3√n 60.496618894443
4√n 21.691936639839
5√n 11.722997214264

Divisors of 221408

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221407
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221408 can be divided by 24 positive divisors. The sum of these divisors (counting 221408) is 1, the average is 0.041666666666667.

Base conversion 221408

Base System Value
2 Binary 110110000011100000
3 Ternary 102020201022
4 Quaternary 312003200
5 Quinary 24041113
6 Senary 4425012
8 Octal 660340
10 Decimal 221408
12 Duodecimal a8168
16 Hexadecimal 360e0
20 Vigesimal 17da8
36 Base36 4qu8

Cryptographic Hash Functions

md5 07502844b25f027149fc76e84a4eb7b5
sha1 d60447c548dc0bbec7a6d5ba55cc065a55052814
sha256 ade257f5ead57e1633b433a42c6011998c0e366ea6c9df0681ac2bbf1353fee4
sha512 73f15b1bd824c75a2ae611dbeaf7d2bfb06bc89c085bb4ed5f23a2467a0b8e3e7585e168e9af7fb9095b529dc8f1f5e9b951ad82d2591c9f9a5ac2c9793ae241
ripemd-160 0c7456cd92db3435d83cea4f07cbcc41618d279c

221408 as geometric shapes

Circle

Radius = n
Diameter 442816
Circumference 1391147.492492
Area 154005592008.84

Sphere

Radius = n
Volume 4.5464093487323E+16
Surface area 616022368035.35
Circumference 1391147.492492

Square

Length = n
Perimeter 885632
Area 49021502464
Diagonal 313118.1964179

Cube

Length = n
Surface area 294129014784
Volume 10853752817549312
Space diagonal 383489.90520221

Equilateral Triangle

Length = n
Perimeter 664224
Area 21226933232.753
Altitude 191744.9526011

Triangular Pyramid

Length = n
Surface area 21226933232.753
Volume 1.2791270364353E+15
Height 104372.7321393