209702981 (number)

209702981 is an odd 9-digits composite number following 209702980 and preceding 209702982. In scientific notation, it is written as 2.09702981 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 198541152 positive integers (up to 209702981) that are relatively prime to 209702981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.09702981 × 10^8
Engineering notation 2.09702981 × 10^6

Prime Factorization of 209702981

Prime Factorization 19 × 2473 × 4463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 209702981
Product of the distinct prime numbers

The prime factorization of 209702981 is 19 × 2473 × 4463. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 9, 51, 48, 771, 700, 4746, 9662, 84108, 18945, 552685, 473728, 9057406, 3298961, 46132294, 3164381, 857395673, 641837274, 1716727183, 1548670704

Basic calculations (n = 209702981)

Multiplication

n×y
n×2 419405962
n×3 629108943
n×4 838811924
n×5 1048514905

Division

n÷y
n÷2 104851490.5
n÷3 69900993.666667
n÷3 52425745.25
n÷5 41940596.2

Exponentiation

ny
n2 43975340240286361
n3 9.2217599388773E+24
n4 1.9338305492489E+33
n5 4.0553003092637E+41

Nth Root

y√n
2√n 14481.124990829
3√n 594.11183166527
4√n 120.3375460562
5√n 46.16585900194

Divisors of 209702981

1, 19, 2473, 4463, 46987, 84797, 11036999, 209702981

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 -209702980
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 209702981 can be divided by 8 positive divisors. The sum of these divisors (counting 209702981) is 1, the average is 0.125.

Base conversion 209702981

Base System Value
2 Binary 1100011111111101000001000101
3 Ternary 112121121000102002
4 Quaternary 30133331001011
5 Quinary 412140443411
6 Senary 32450355045
8 Octal 1437750105
10 Decimal 209702981
12 Duodecimal 5a28ba85
16 Hexadecimal c7fd045
20 Vigesimal 35ach91
36 Base36 3gunut

Cryptographic Hash Functions

md5 ec3da9df9a2c7ebb2dae962ee9ecee92
sha1 c17903fd6ead243916e6f62c95f09be3081b7ce6
sha256 d1b54b65ef0a0af60665b9b7f008dc563768fc02004d0a968f8d3746a93c12a5
sha512 9f928fd8108dc8285cf224f28c04701d875b2396f037723c29054e44bfc94edd2d46bb12974739f0eb94753ab43f909c4280cc3e9c12475a806adbb9b7c68392
ripemd-160 059dc14bc236a0cd2efa5fc8a769a3ebafd96d48

209702981 as geometric shapes

Circle

Radius = n
Diameter 419405962
Circumference 1317602689.091
Area 1.38152605838E+17

Sphere

Radius = n
Volume 3.8628017702861E+25
Surface area 5.5261042335198E+17
Circumference 1317602689.091

Square

Length = n
Perimeter 838811924
Area 43975340240286361
Diagonal 296564799.80027

Cube

Length = n
Surface area 263852041441718166
Volume 9.2217599388773E+24
Space diagonal 363216217.59065

Equilateral Triangle

Length = n
Perimeter 629108943
Area 1.9041880894076E+16
Altitude 181608108.79533

Triangular Pyramid

Length = n
Surface area 1.9041880894076E+16
Volume 1.0867948312091E+24
Height 98854933.266756