20198731 (number)

20198731 is an odd 8-digits composite number following 20198730 and preceding 20198732. In scientific notation, it is written as 2.0198731 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 17313156 positive integers (up to 20198731) that are relatively prime to 20198731.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-eight thousand seven hundred thirty-one

Notation

Scientific notation 2.0198731 × 10^7
Engineering notation 2.0198731 × 10^6

Prime Factorization of 20198731

Prime Factorization 49 × 412219

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20198731
Product of the distinct prime numbers

The prime factorization of 20198731 is 49 × 412219. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20198731)

Multiplication

n×y
n×2 40397462
n×3 60596193
n×4 80794924
n×5 100993655

Division

n÷y
n÷2 10099365.5
n÷3 6732910.3333333
n÷3 5049682.75
n÷5 4039746.2

Exponentiation

ny
n2 407988734010361
n3 8.2408546893058E+21
n4 1.6645480707938E+29
n5 3.3621758718532E+36

Nth Root

y√n
2√n 4494.2998342345
3√n 272.33786500135
4√n 67.039539334892
5√n 28.911113394539

Divisors of 20198731

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 -20198730
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 20198731 can be divided by 4 positive divisors. The sum of these divisors (counting 20198731) is 1, the average is 0.25.

Base conversion 20198731

Base System Value
2 Binary 1001101000011010101001011
3 Ternary 1102000012110011
4 Quaternary 1031003111023
5 Quinary 20132324411
6 Senary 2000532351
8 Octal 115032513
10 Decimal 20198731
12 Duodecimal 69210b7
16 Hexadecimal 134354b
20 Vigesimal 664ggb
36 Base36 c0xfv

Cryptographic Hash Functions

md5 1739191c16453fe876255b32cceaab6f
sha1 f35f0a26bb5e730cb7c32025e6776b3a88fb78ab
sha256 e8d7e975bb6af15f1a1711f0fb01d43134dc08ae94285da862e043291308fdcb
sha512 da27f6b8a019de87875812f3b26e678ea9742d7f89bfd73d2f617963f25f413c44ba91b08204391517487dccca01c24b8dd7387259319dda270d0541400eaaed
ripemd-160 35c9ef5d5c379bb5adbcf57fc398a248f6875431

20198731 as geometric shapes

Circle

Radius = n
Diameter 40397462
Circumference 126912369.84287
Area 1.2817344095144E+15

Sphere

Radius = n
Volume 3.4519211401632E+22
Surface area 5.1269376380574E+15
Circumference 126912369.84287

Square

Length = n
Perimeter 80794924
Area 407988734010361
Diagonal 28565319.322926

Cube

Length = n
Surface area 2447932404062166
Volume 8.2408546893058E+21
Space diagonal 34985228.340417

Equilateral Triangle

Length = n
Perimeter 60596193
Area 1.7666430405541E+14
Altitude 17492614.170208

Triangular Pyramid

Length = n
Surface area 1.7666430405541E+14
Volume 9.7119403893019E+20
Height 9521773.107642