20198909 (number)

20198909 is an odd 8-digits composite number following 20198908 and preceding 20198910. In scientific notation, it is written as 2.0198909 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20176416 positive integers (up to 20198909) that are relatively prime to 20198909.

Interesting facts

Basic properties

Name

Name twenty million one hundred ninety-eight thousand nine hundred nine

Notation

Scientific notation 2.0198909 × 10^7
Engineering notation 2.0198909 × 10^6

Prime Factorization of 20198909

Prime Factorization 937 × 21557

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20198909
Product of the distinct prime numbers

The prime factorization of 20198909 is 937 × 21557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20198909)

Multiplication

n×y
n×2 40397818
n×3 60596727
n×4 80795636
n×5 100994545

Division

n÷y
n÷2 10099454.5
n÷3 6732969.6666667
n÷3 5049727.25
n÷5 4039781.8

Exponentiation

ny
n2 407995924790281
n3 8.2410725572097E+21
n4 1.6646067464548E+29
n5 3.3623240192426E+36

Nth Root

y√n
2√n 4494.319637053
3√n 272.33866498556
4√n 67.039687029796
5√n 28.91116434982

Divisors of 20198909

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 -20198908
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 20198909 can be divided by 4 positive divisors. The sum of these divisors (counting 20198909) is 1, the average is 0.25.

Base conversion 20198909

Base System Value
2 Binary 1001101000011010111111101
3 Ternary 1102000012200202
4 Quaternary 1031003113331
5 Quinary 20132331114
6 Senary 2000533245
8 Octal 115032775
10 Decimal 20198909
12 Duodecimal 6921225
16 Hexadecimal 13435fd
20 Vigesimal 664h59
36 Base36 c0xkt

Cryptographic Hash Functions

md5 15d56e31c00723c94bf53c16a2eedf9b
sha1 e6af47791f89e9669502d8cb7e22a7cd62dfe7e2
sha256 cae7d354717f1b6af80d2560ee6ff3a9f88801013d363cbc52f1eaf7f16ea460
sha512 5dccf17e584e98ed413052c17ada7e947cfef3abbd09056ae63771b3400d8c60f32e3d90a0cb870c4f5d2b5151754ae28aedd07083d750aa9c2a4f7a3672b7a0
ripemd-160 62fd1b63eb17985cc99b0e6982782c8cec2a6b49

20198909 as geometric shapes

Circle

Radius = n
Diameter 40397818
Circumference 126913488.24986
Area 1.2817570000157E+15

Sphere

Radius = n
Volume 3.4520124004574E+22
Surface area 5.1270280000629E+15
Circumference 126913488.24986

Square

Length = n
Perimeter 80795636
Area 407995924790281
Diagonal 28565571.05294

Cube

Length = n
Surface area 2447975548741686
Volume 8.2410725572097E+21
Space diagonal 34985536.64546

Equilateral Triangle

Length = n
Perimeter 60596727
Area 1.7666741775445E+14
Altitude 17492768.32273

Triangular Pyramid

Length = n
Surface area 1.7666741775445E+14
Volume 9.7121971490889E+20
Height 9521857.0176467