20542909 (number)

20542909 is an odd 8-digits composite number following 20542908 and preceding 20542910. In scientific notation, it is written as 2.0542909 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20206080 positive integers (up to 20542909) that are relatively prime to 20542909.

Interesting facts

Basic properties

Name

Name twenty million five hundred forty-two thousand nine hundred nine

Notation

Scientific notation 2.0542909 × 10^7
Engineering notation 2.0542909 × 10^6

Prime Factorization of 20542909

Prime Factorization 61 × 336769

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20542909
Product of the distinct prime numbers

The prime factorization of 20542909 is 61 × 336769. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20542909)

Multiplication

n×y
n×2 41085818
n×3 61628727
n×4 82171636
n×5 102714545

Division

n÷y
n÷2 10271454.5
n÷3 6847636.3333333
n÷3 5135727.25
n÷5 4108581.8

Exponentiation

ny
n2 422011110182281
n3 8.6693358334636E+21
n4 1.7809337711728E+29
n5 3.658556039623E+36

Nth Root

y√n
2√n 4532.4285984448
3√n 273.87600282118
4√n 67.323313929461
5√n 29.008975314493

Divisors of 20542909

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 -20542908
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 20542909 can be divided by 4 positive divisors. The sum of these divisors (counting 20542909) is 1, the average is 0.25.

Base conversion 20542909

Base System Value
2 Binary 1001110010111010110111101
3 Ternary 1102122200120111
4 Quaternary 1032113112331
5 Quinary 20224333114
6 Senary 2012150021
8 Octal 116272675
10 Decimal 20542909
12 Duodecimal 6a68311
16 Hexadecimal 13975bd
20 Vigesimal 687h59
36 Base36 c8b0d

Cryptographic Hash Functions

md5 b1458cfe9cbe2a0fa98830015a811be8
sha1 708e54444c0824d9254824497492bfa91d8f6589
sha256 4e6fe769300f2620af7cfd99bba6ddd8cae4e44aaabc57188f5222dc70d752c6
sha512 40ec7a034697480a06b49fd00c6d3ef67caa83a727e4642c446ed37d4f58afa82bda9ec90cbfdef190944671c66ab5cd455559b56331a3cd2fd9d0c213825bdd
ripemd-160 efe4b9a1b6c3ac4b6ea6551f6ac3d55cf748fa2b

20542909 as geometric shapes

Circle

Radius = n
Diameter 41085818
Circumference 129074903.99553
Area 1.3257870034819E+15

Sphere

Radius = n
Volume 3.6314029021216E+22
Surface area 5.3031480139277E+15
Circumference 129074903.99553

Square

Length = n
Perimeter 82171636
Area 422011110182281
Diagonal 29052060.518396

Cube

Length = n
Surface area 2532066661093686
Volume 8.6693358334636E+21
Space diagonal 35581362.123264

Equilateral Triangle

Length = n
Perimeter 61628727
Area 1.8273617104856E+14
Altitude 17790681.061632

Triangular Pyramid

Length = n
Surface area 1.8273617104856E+14
Volume 1.0216910260376E+21
Height 9684020.1727988