209217921 (number)

209217921 is an odd 9-digits composite number following 209217920 and preceding 209217922. In scientific notation, it is written as 2.09217921 × 10^8. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 126798720 positive integers (up to 209217921) that are relatively prime to 209217921.

Interesting facts

Basic properties

Name

Name two hundred nine million two hundred seventeen thousand nine hundred twenty-one

Notation

Scientific notation 2.09217921 × 10^8
Engineering notation 2.09217921 × 10^6

Prime Factorization of 209217921

Prime Factorization 33 × 6339937

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 209217921
Product of the distinct prime numbers

The prime factorization of 209217921 is 33 × 6339937. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 209217921)

Multiplication

n×y
n×2 418435842
n×3 627653763
n×4 836871684
n×5 1046089605

Division

n÷y
n÷2 104608960.5
n÷3 69739307
n÷3 52304480.25
n÷5 41843584.2

Exponentiation

ny
n2 43772138467562241
n3 9.1579158079075E+24
n4 1.9160001060234E+33
n5 4.00861558818E+41

Nth Root

y√n
2√n 14464.367286542
3√n 593.65340174032
4√n 120.26789798838
5√n 46.144482139114

Divisors of 209217921

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 -209217920
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 209217921 can be divided by 4 positive divisors. The sum of these divisors (counting 209217921) is 1, the average is 0.25.

Base conversion 209217921

Base System Value
2 Binary 1100011110000110100110000001
3 Ternary 112120200101000220
4 Quaternary 30132012212001
5 Quinary 412024433141
6 Senary 32432133253
8 Octal 1436064601
10 Decimal 209217921
12 Duodecimal 5a097229
16 Hexadecimal c786981
20 Vigesimal 357c4g1
36 Base36 3gk9kx

Cryptographic Hash Functions

md5 936b8ab5b8cfff5eacae2f2ca4f947d7
sha1 21e3e93d643b02575c8e8f3a228b9af88716de23
sha256 b6c505244bf58d8d8c1f78699de38978f57b699c5c5b841082c298b2dc58a32e
sha512 9e226a9e4f6f428bb63f5838b3023b0b5a80ed31a5b39f6cb5b80848261bb55a05499f4325f941876f2224a7482c0420fda39b3cbb5f9719a43e34dbb85ff61c
ripemd-160 49dc69c02e00304fd1b16744f0e95de922e7d237

209217921 as geometric shapes

Circle

Radius = n
Diameter 418435842
Circumference 1314554967.2259
Area 1.3751422864161E+17

Sphere

Radius = n
Volume 3.8360588032421E+25
Surface area 5.5005691456643E+17
Circumference 1314554967.2259

Square

Length = n
Perimeter 836871684
Area 43772138467562241
Diagonal 295878821.3697

Cube

Length = n
Surface area 262632830805373446
Volume 9.1579158079075E+24
Space diagonal 362376069.02593

Equilateral Triangle

Length = n
Perimeter 627653763
Area 1.8953891945439E+16
Altitude 181188034.51297

Triangular Pyramid

Length = n
Surface area 1.8953891945439E+16
Volume 1.0792707282178E+24
Height 98626273.789901