209215731 (number)

209215731 is an odd 9-digits composite number following 209215730 and preceding 209215732. In scientific notation, it is written as 2.09215731 × 10^8. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 139477152 positive integers (up to 209215731) that are relatively prime to 209215731.

Interesting facts

Basic properties

Name

Name two hundred nine million two hundred fifteen thousand seven hundred thirty-one

Notation

Scientific notation 2.09215731 × 10^8
Engineering notation 2.09215731 × 10^6

Prime Factorization of 209215731

Prime Factorization 3 × 69738577

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 209215731
Product of the distinct prime numbers

The prime factorization of 209215731 is 3 × 69738577. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 10, 1, 34, 78, 186, 9633, 8616, 26635, 31152, 760502, 893711, 7024654, 6040602, 34860615, 52929463, 917831205, 239003443, 2908269349, 3009243176

Basic calculations (n = 209215731)

Multiplication

n×y
n×2 418431462
n×3 627647193
n×4 836862924
n×5 1046078655

Division

n÷y
n÷2 104607865.5
n÷3 69738577
n÷3 52303932.75
n÷5 41843146.2

Exponentiation

ny
n2 43771222097864361
n3 9.157628227968E+24
n4 1.9159198839406E+33
n5 4.0084057905606E+41

Nth Root

y√n
2√n 14464.291583068
3√n 593.65133036664
4√n 120.26758325945
5√n 46.144385534733

Divisors of 209215731

1, 3, 69738577, 209215731

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 -209215730
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 209215731 can be divided by 4 positive divisors. The sum of these divisors (counting 209215731) is 1, the average is 0.25.

Base conversion 209215731

Base System Value
2 Binary 1100011110000110000011110011
3 Ternary 112120200021000210
4 Quaternary 30132012003303
5 Quinary 412024400411
6 Senary 32432115203
8 Octal 1436060363
10 Decimal 209215731
12 Duodecimal 5a095b03
16 Hexadecimal c7860f3
20 Vigesimal 357bj6b
36 Base36 3gk7w3

Cryptographic Hash Functions

md5 3833033432f58ce4f5d7b23a707a8283
sha1 2d39eb400cfed7b4623e760652b8a29263fd7c2f
sha256 76bf442903edb4e6f40bc73aa2f3ee63647429c64fb2fd6de1c9081a5c7e4788
sha512 b4a64e9c42001c462864c9e1649e9f82a5df82155dfa09e4531f642ddfa8d8637a5ea87458b03fb3794182ad0d614f731f014e47544179ed7739b9e9b24acd70
ripemd-160 2e7a92bccb1d90bca334b483a26a8f04896a844a

209215731 as geometric shapes

Circle

Radius = n
Diameter 418431462
Circumference 1314541207.05
Area 1.375113497813E+17

Sphere

Radius = n
Volume 3.8359383420388E+25
Surface area 5.5004539912519E+17
Circumference 1314541207.05

Square

Length = n
Perimeter 836862924
Area 43771222097864361
Diagonal 295875724.242

Cube

Length = n
Surface area 262627332587186166
Volume 9.157628227968E+24
Space diagonal 362372275.83466

Equilateral Triangle

Length = n
Perimeter 627647193
Area 1.8953495145721E+16
Altitude 181186137.91733

Triangular Pyramid

Length = n
Surface area 1.8953495145721E+16
Volume 1.0792368365969E+24
Height 98625241.414