209439145 (number)

209439145 is an odd 9-digits composite number following 209439144 and preceding 209439146. In scientific notation, it is written as 2.09439145 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 167551312 positive integers (up to 209439145) that are relatively prime to 209439145.

Interesting facts

Basic properties

Name

Name two hundred nine million four hundred thirty-nine thousand one hundred forty-five

Notation

Scientific notation 2.09439145 × 10^8
Engineering notation 2.09439145 × 10^6

Prime Factorization of 209439145

Prime Factorization 5 × 41887829

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 209439145
Product of the distinct prime numbers

The prime factorization of 209439145 is 5 × 41887829. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 209439145)

Multiplication

n×y
n×2 418878290
n×3 628317435
n×4 837756580
n×5 1047195725

Division

n÷y
n÷2 104719572.5
n÷3 69813048.333333
n÷3 52359786.25
n÷5 41887829

Exponentiation

ny
n2 43864755458331025
n3 9.1869968788269E+24
n4 1.9241167714192E+33
n5 4.0298537148619E+41

Nth Root

y√n
2√n 14472.012472355
3√n 593.86256820456
4√n 120.29967777328
5√n 46.154236515771

Divisors of 209439145

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 -209439144
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 209439145 can be divided by 4 positive divisors. The sum of these divisors (counting 209439145) is 1, the average is 0.25.

Base conversion 209439145

Base System Value
2 Binary 1100011110111100100110101001
3 Ternary 112121002121111101
4 Quaternary 30132330212221
5 Quinary 412104023040
6 Senary 32441001401
8 Octal 1436744651
10 Decimal 209439145
12 Duodecimal 5a183261
16 Hexadecimal c7bc9a9
20 Vigesimal 358jhh5
36 Base36 3gp0a1

Cryptographic Hash Functions

md5 4fb09e3cc6c0939851f7cdf516f15aac
sha1 c4816287a89e3c2c2fdb436595fc24ff11dfd4cf
sha256 96b5fa7ed530e11ec22e6321fb0ba40258ad29f66193e8286cdd835a326b5770
sha512 dbef8b74db65c7f8aaf71cc63534df5c7b52c2c781d1b25b6e933734bef859ac866e0874820576f32e8717ea7126353c5f2649ce337f2589b6164dfa57c531c9
ripemd-160 b811f46107efea2954cdbaea7bb2abad523fb5c4

209439145 as geometric shapes

Circle

Radius = n
Diameter 418878290
Circumference 1315944958.6123
Area 1.3780519349941E+17

Sphere

Radius = n
Volume 3.8482402537433E+25
Surface area 5.5122077399762E+17
Circumference 1315944958.6123

Square

Length = n
Perimeter 837756580
Area 43864755458331025
Diagonal 296191679.35083

Cube

Length = n
Surface area 263188532749986150
Volume 9.1869968788269E+24
Space diagonal 362759240.23379

Equilateral Triangle

Length = n
Perimeter 628317435
Area 1.8993996278853E+16
Altitude 181379620.11689

Triangular Pyramid

Length = n
Surface area 1.8993996278853E+16
Volume 1.082697965293E+24
Height 98730559.783608