209460981 (number)

209460981 is an odd 9-digits composite number following 209460980 and preceding 209460982. In scientific notation, it is written as 2.09460981 × 10^8. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 138404672 positive integers (up to 209460981) that are relatively prime to 209460981.

Interesting facts

Basic properties

Name

Name two hundred nine million four hundred sixty thousand nine hundred eighty-one

Notation

Scientific notation 2.09460981 × 10^8
Engineering notation 2.09460981 × 10^6

Prime Factorization of 209460981

Prime Factorization 3 × 113 × 617879

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 209460981
Product of the distinct prime numbers

The prime factorization of 209460981 is 3 × 113 × 617879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 209460981)

Multiplication

n×y
n×2 418921962
n×3 628382943
n×4 837843924
n×5 1047304905

Division

n÷y
n÷2 104730490.5
n÷3 69820327
n÷3 52365245.25
n÷5 41892196.2

Exponentiation

ny
n2 43873902561482361
n3 9.1898706708265E+24
n4 1.9249193259744E+33
n5 4.0319549036447E+41

Nth Root

y√n
2√n 14472.766874375
3√n 593.88320607274
4√n 120.30281324381
5√n 46.155198878257

Divisors of 209460981

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 -209460980
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 209460981 can be divided by 8 positive divisors. The sum of these divisors (counting 209460981) is 1, the average is 0.125.

Base conversion 209460981

Base System Value
2 Binary 1100011111000001111011110101
3 Ternary 112121010201110010
4 Quaternary 30133001323311
5 Quinary 412110222411
6 Senary 32441250433
8 Octal 1437017365
10 Decimal 209460981
12 Duodecimal 5a193a19
16 Hexadecimal c7c1ef5
20 Vigesimal 3592c91
36 Base36 3gph4l

Cryptographic Hash Functions

md5 85f35b255c33c08f08b8b0cea8f7a9b2
sha1 d89c57cdb3d7c182eb0b813ffee33c8d4e706895
sha256 4628f286c8c01ed488ca6f76b27e6c4448d912e770e1d52d05465bfb8f23dd5a
sha512 f6600ea4e10e14fac3ef1825006a71ce709c6ca7d7599e54bcdea8c0e6c3551747fcc6c91621f28a5904afc200f7c67501f6ec1921531df73c2c73486fc6a122
ripemd-160 d3fd1a00709faa1b7d168729bc8589ba631907d3

209460981 as geometric shapes

Circle

Radius = n
Diameter 418921962
Circumference 1316082158.2466
Area 1.3783392997147E+17

Sphere

Radius = n
Volume 3.8494440249212E+25
Surface area 5.5133571988587E+17
Circumference 1316082158.2466

Square

Length = n
Perimeter 837843924
Area 43873902561482361
Diagonal 296222560.11817

Cube

Length = n
Surface area 263243415368894166
Volume 9.1898706708265E+24
Space diagonal 362797061.29522

Equilateral Triangle

Length = n
Perimeter 628382943
Area 1.8997957090703E+16
Altitude 181398530.64761

Triangular Pyramid

Length = n
Surface area 1.8997957090703E+16
Volume 1.0830366449281E+24
Height 98740853.372724