209938991 (number)

209938991 is an odd 9-digits composite number following 209938990 and preceding 209938992. In scientific notation, it is written as 2.09938991 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 209905392 positive integers (up to 209938991) that are relatively prime to 209938991.

Interesting facts

Basic properties

Name

Name two hundred nine million nine hundred thirty-eight thousand nine hundred ninety-one

Notation

Scientific notation 2.09938991 × 10^8
Engineering notation 2.09938991 × 10^6

Prime Factorization of 209938991

Prime Factorization 8297 × 25303

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 209938991
Product of the distinct prime numbers

The prime factorization of 209938991 is 8297 × 25303. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 79, 5, 650, 631, 4973, 8522, 15312, 73309, 93242, 637179, 3045009, 1689536, 78273710, 48620398, 182108715, 454339736, 1200220766, 5201615630

Basic calculations (n = 209938991)

Multiplication

n×y
n×2 419877982
n×3 629816973
n×4 839755964
n×5 1049694955

Division

n÷y
n÷2 104969495.5
n÷3 69979663.666667
n÷3 52484747.75
n÷5 41987798.2

Exponentiation

ny
n2 44074379942098081
n3 9.2529308539947E+24
n4 1.9425509672804E+33
n5 4.0781719003692E+41

Nth Root

y√n
2√n 14489.271582795
3√n 594.33462894975
4√n 120.37139021709
5√n 46.176245790589

Divisors of 209938991

1, 8297, 25303, 209938991

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 -209938990
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 209938991 can be divided by 4 positive divisors. The sum of these divisors (counting 209938991) is 1, the average is 0.25.

Base conversion 209938991

Base System Value
2 Binary 1100100000110110101000101111
3 Ternary 112122001000011012
4 Quaternary 30200312220233
5 Quinary 412221021431
6 Senary 32455415435
8 Octal 1440665057
10 Decimal 209938991
12 Duodecimal 5a38457b
16 Hexadecimal c836a2f
20 Vigesimal 35c279b
36 Base36 3gzpyn

Cryptographic Hash Functions

md5 42e307342c883d20778a25806dfb66b6
sha1 c390370f5b67a943362aaeac456cda5e977c5797
sha256 d350b6e17147b237bcb43948623764a8b864f499ad1ec05274ecf0362eeb48c7
sha512 45a73c49e0763de4fd6e0cf140d11b41bcd28e850b98ad02b3d0ed5e5514b3b3fe97240d30eac6c5bffc9ab619b18f4d4735d3bf3e1c02f93c635ae166f06a1c
ripemd-160 5f47c52f15fa81c1d443baf2ee2c356d06dcd0f6

209938991 as geometric shapes

Circle

Radius = n
Diameter 419877982
Circumference 1319085583.6553
Area 1.3846374823762E+17

Sphere

Radius = n
Volume 3.8758586126779E+25
Surface area 5.5385499295048E+17
Circumference 1319085583.6553

Square

Length = n
Perimeter 839755964
Area 44074379942098081
Diagonal 296898568.34312

Cube

Length = n
Surface area 264446279652588486
Volume 9.2529308539947E+24
Space diagonal 363624998.90175

Equilateral Triangle

Length = n
Perimeter 629816973
Area 1.9084766342952E+16
Altitude 181812499.45087

Triangular Pyramid

Length = n
Surface area 1.9084766342952E+16
Volume 1.090468358785E+24
Height 98966189.447708