209919987 (number)

209919987 is an odd 9-digits composite number following 209919986 and preceding 209919988. In scientific notation, it is written as 2.09919987 × 10^8. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 138707520 positive integers (up to 209919987) that are relatively prime to 209919987.

Interesting facts

Basic properties

Name

Name two hundred nine million nine hundred nineteen thousand nine hundred eighty-seven

Notation

Scientific notation 2.09919987 × 10^8
Engineering notation 2.09919987 × 10^6

Prime Factorization of 209919987

Prime Factorization 9 × 113 × 206411

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 209919987
Product of the distinct prime numbers

The prime factorization of 209919987 is 9 × 113 × 206411. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 29, 1, 280, 424, 3481, 5789, 21143, 40809, 401241, 30683, 8049865, 4086141, 87654650, 38833619, 594243185, 597864799, 2105175559, 2660817983

Basic calculations (n = 209919987)

Multiplication

n×y
n×2 419839974
n×3 629759961
n×4 839679948
n×5 1049599935

Division

n÷y
n÷2 104959993.5
n÷3 69973329
n÷3 52479996.75
n÷5 41983997.4

Exponentiation

ny
n2 44066400942080169
n3 9.2504183128983E+24
n4 1.9418476919882E+33
n5 4.0763264225814E+41

Nth Root

y√n
2√n 14488.615772392
3√n 594.31669504737
4√n 120.36866607382
5√n 46.175409771375

Divisors of 209919987

1, 9, 113, 1017, 206411, 1857699, 23324443, 209919987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -209919986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 209919987 can be divided by 8 positive divisors. The sum of these divisors (counting 209919987) is 1, the average is 0.125.

Base conversion 209919987

Base System Value
2 Binary 1100100000110001111111110011
3 Ternary 112122000001002100
4 Quaternary 30200301333303
5 Quinary 412214414422
6 Senary 32455151443
8 Octal 1440617763
10 Decimal 209919987
12 Duodecimal 5a375583
16 Hexadecimal c831ff3
20 Vigesimal 35bjjj7
36 Base36 3gzbar

Cryptographic Hash Functions

md5 c23e68024f221c1e5b73045b9c5eb620
sha1 c1eb546f3ef860908b89e7bb2d14ce166663f260
sha256 60260ffb6b7ba450245b74297c2309df4d046587558f75105c5d888e6289c30e
sha512 d952908d16ed193f00bc75eed16d261a689947e8b5e47ddd967d48adf88c498fa4a0fda9fa0c44998818b6c8fd42b66f9ae649c72a3bfd123c9b6f233001ba43
ripemd-160 731530cf31e14ba73bbb27c1b2f76fa3624ad860

209919987 as geometric shapes

Circle

Radius = n
Diameter 419839974
Circumference 1318966178.0017
Area 1.3843868146978E+17

Sphere

Radius = n
Volume 3.8748061619245E+25
Surface area 5.5375472587913E+17
Circumference 1318966178.0017

Square

Length = n
Perimeter 839679948
Area 44066400942080169
Diagonal 296871692.62858

Cube

Length = n
Surface area 264398405652481014
Volume 9.2504183128983E+24
Space diagonal 363592083.0082

Equilateral Triangle

Length = n
Perimeter 629759961
Area 1.9081311334596E+16
Altitude 181796041.5041

Triangular Pyramid

Length = n
Surface area 1.9081311334596E+16
Volume 1.0901722529771E+24
Height 98957230.876195