209968991 (number)

209968991 is an odd 9-digits composite number following 209968990 and preceding 209968992. In scientific notation, it is written as 2.09968991 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 209938872 positive integers (up to 209968991) that are relatively prime to 209968991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.09968991 × 10^8
Engineering notation 2.09968991 × 10^6

Prime Factorization of 209968991

Prime Factorization 19163 × 10957

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 209968991
Product of the distinct prime numbers

The prime factorization of 209968991 is 19163 × 10957. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 47, 77, 165, 87, 7474, 4855, 30250, 46677, 899177, 43815, 7216203, 9221924, 64250086, 33699873, 6503828, 943343147, 6393328503, 6858671432

Basic calculations (n = 209968991)

Multiplication

n×y
n×2 419937982
n×3 629906973
n×4 839875964
n×5 1049844955

Division

n÷y
n÷2 104984495.5
n÷3 69989663.666667
n÷3 52492247.75
n÷5 41993798.2

Exponentiation

ny
n2 44086977181558081
n3 9.2568981150518E+24
n4 1.9436615570072E+33
n5 4.081086559703E+41

Nth Root

y√n
2√n 14490.306794544
3√n 594.36293747493
4√n 120.37569021419
5√n 46.177565419869

Divisors of 209968991

1, 10957, 19163, 209968991

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 -209968990
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 209968991 can be divided by 4 positive divisors. The sum of these divisors (counting 209968991) is 1, the average is 0.25.

Base conversion 209968991

Base System Value
2 Binary 1100100000111101111101011111
3 Ternary 112122002112022022
4 Quaternary 30200331331133
5 Quinary 412223001431
6 Senary 32500210355
8 Octal 1440757537
10 Decimal 209968991
12 Duodecimal 5a3999bb
16 Hexadecimal c83df5f
20 Vigesimal 35c629b
36 Base36 3h0d3z

Cryptographic Hash Functions

md5 9727770644f597351ec4b0a75fabdb4c
sha1 47494bc52563c2864e75443194d7a99cac7df3af
sha256 70c5343bd50124f87141c7164ac8be603ae113044bb6c63ab89e3445d6107549
sha512 ca8d42ab24d9673ef772e1808a204b23ab3e874920cb99e6502c8249b1b944e57975bfec33a13b46634a475ef3aae97560e0c4740765fbefea257faaa285800d
ripemd-160 00d62fb90f53ca4470974b15c77448a1cbc3d024

209968991 as geometric shapes

Circle

Radius = n
Diameter 419937982
Circumference 1319274079.2145
Area 1.3850332363256E+17

Sphere

Radius = n
Volume 3.8775204151034E+25
Surface area 5.5401329453025E+17
Circumference 1319274079.2145

Square

Length = n
Perimeter 839875964
Area 44086977181558081
Diagonal 296940994.74999

Cube

Length = n
Surface area 264521863089348486
Volume 9.2568981150518E+24
Space diagonal 363676960.42597

Equilateral Triangle

Length = n
Perimeter 629906973
Area 1.9090221107647E+16
Altitude 181838480.21299

Triangular Pyramid

Length = n
Surface area 1.9090221107647E+16
Volume 1.0909359049843E+24
Height 98980331.583331