221709905 (number)

221709905 is an odd 9-digits composite number following 221709904 and preceding 221709906. In scientific notation, it is written as 2.21709905 × 10^8. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 173214912 positive integers (up to 221709905) that are relatively prime to 221709905.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million seven hundred nine thousand nine hundred five

Notation

Scientific notation 2.21709905 × 10^8
Engineering notation 2.21709905 × 10^6

Prime Factorization of 221709905

Prime Factorization 5 × 59 × 157 × 4787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 221709905
Product of the distinct prime numbers

The prime factorization of 221709905 is 5 × 59 × 157 × 4787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221709905)

Multiplication

n×y
n×2 443419810
n×3 665129715
n×4 886839620
n×5 1108549525

Division

n÷y
n÷2 110854952.5
n÷3 73903301.666667
n÷3 55427476.25
n÷5 44341981

Exponentiation

ny
n2 49155281975109025
n3 1.089821289695E+25
n4 2.4162417460525E+33
n5 5.3570472797433E+41

Nth Root

y√n
2√n 14889.926292632
3√n 605.24103502797
4√n 122.02428566737
5√n 46.682813152163

Divisors of 221709905

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221709904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221709905 can be divided by 16 positive divisors. The sum of these divisors (counting 221709905) is 1, the average is 0.0625.

Base conversion 221709905

Base System Value
2 Binary 1101001101110000011001010001
3 Ternary 120110012000210222
4 Quaternary 31031300121101
5 Quinary 423224204110
6 Senary 34000002425
8 Octal 1515603121
10 Decimal 221709905
12 Duodecimal 62300415
16 Hexadecimal d370651
20 Vigesimal 395def5
36 Base36 3o00gh

Cryptographic Hash Functions

md5 21de084f75e0b019f34acd589c94992e
sha1 5135cba7394dd99eb2e9472d466ad0aefe7a849a
sha256 174dc9f4d6e7104f439241f3767617548912291b4fb92ecd558e7c74d2d9427f
sha512 e9a606db3da4e10458f308abd4f95cbd5a30a825e9643d5789e4be79d9d065fb2d8e410b5e19ae1d3132c8ecc0b52f8bbd3fe12106f906888f145385df7f9317
ripemd-160 91dc66a5ecaaad0873ddffbc9ab68c514ff6e9f1

221709905 as geometric shapes

Circle

Radius = n
Diameter 443419810
Circumference 1393044417.5522
Area 1.5442587273814E+17

Sphere

Radius = n
Volume 4.5650327432419E+25
Surface area 6.1770349095255E+17
Circumference 1393044417.5522

Square

Length = n
Perimeter 886839620
Area 49155281975109025
Diagonal 313545154.56345

Cube

Length = n
Surface area 294931691850654150
Volume 1.089821289695E+25
Space diagonal 384012820.00127

Equilateral Triangle

Length = n
Perimeter 665129715
Area 2.1284861460316E+16
Altitude 192006410.00063

Triangular Pyramid

Length = n
Surface area 2.1284861460316E+16
Volume 1.2843667070413E+24
Height 104515051.52115