20205091 (number)

20205091 is an odd 8-digits composite number following 20205090 and preceding 20205092. In scientific notation, it is written as 2.0205091 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 19873800 positive integers (up to 20205091) that are relatively prime to 20205091.

Interesting facts

Basic properties

Name

Name twenty million two hundred five thousand ninety-one

Notation

Scientific notation 2.0205091 × 10^7
Engineering notation 2.0205091 × 10^6

Prime Factorization of 20205091

Prime Factorization 61 × 331231

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20205091
Product of the distinct prime numbers

The prime factorization of 20205091 is 61 × 331231. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20205091)

Multiplication

n×y
n×2 40410182
n×3 60615273
n×4 80820364
n×5 101025455

Division

n÷y
n÷2 10102545.5
n÷3 6735030.3333333
n÷3 5051272.75
n÷5 4041018.2

Exponentiation

ny
n2 408245702318281
n3 8.2486415656998E+21
n4 1.6666455346135E+29
n5 3.3674724691609E+36

Nth Root

y√n
2√n 4495.0073414846
3√n 272.36644579124
4√n 67.044815918045
5√n 28.912933821049

Divisors of 20205091

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 -20205090
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 20205091 can be divided by 4 positive divisors. The sum of these divisors (counting 20205091) is 1, the average is 0.25.

Base conversion 20205091

Base System Value
2 Binary 1001101000100111000100011
3 Ternary 1102000112011201
4 Quaternary 1031010320203
5 Quinary 20133030331
6 Senary 2001022031
8 Octal 115047043
10 Decimal 20205091
12 Duodecimal 6924917
16 Hexadecimal 1344e23
20 Vigesimal 665ceb
36 Base36 c12cj

Cryptographic Hash Functions

md5 93e71026bc3be6f99efc44bb0ca58d98
sha1 1dea5968824a4182698c901bf311c098134c4eaf
sha256 ddc6500e7fc63e676c89fca1cce9ee826947dcfacfea5bb49334aae20266ddb4
sha512 85803c3ca1909e8d8dc4942f6e3f9ecd2560327e689f71ccebb7e3b051a9007caf59756af58eafc2f8d14869441850319cff9fc3e8e402caa285334e728661c9
ripemd-160 bb6ecab318082cc99effe4cb1826cc481167b4e3

20205091 as geometric shapes

Circle

Radius = n
Diameter 40410182
Circumference 126952330.90143
Area 1.2825416992627E+15

Sphere

Radius = n
Volume 3.4551828993197E+22
Surface area 5.1301667970509E+15
Circumference 126952330.90143

Square

Length = n
Perimeter 80820364
Area 408245702318281
Diagonal 28574313.721183

Cube

Length = n
Surface area 2449474213909686
Volume 8.2486415656998E+21
Space diagonal 34996244.183553

Equilateral Triangle

Length = n
Perimeter 60615273
Area 1.7677557459673E+14
Altitude 17498122.091776

Triangular Pyramid

Length = n
Surface area 1.7677557459673E+14
Volume 9.7211173111392E+20
Height 9524771.2403942