20405469 (number)

20405469 is an odd 8-digits composite number following 20405468 and preceding 20405470. In scientific notation, it is written as 2.0405469 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11630640 positive integers (up to 20405469) that are relatively prime to 20405469.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand four hundred sixty-nine

Notation

Scientific notation 2.0405469 × 10^7
Engineering notation 2.0405469 × 10^6

Prime Factorization of 20405469

Prime Factorization 21 × 491 × 1979

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20405469
Product of the distinct prime numbers

The prime factorization of 20405469 is 21 × 491 × 1979. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405469)

Multiplication

n×y
n×2 40810938
n×3 61216407
n×4 81621876
n×5 102027345

Division

n÷y
n÷2 10202734.5
n÷3 6801823
n÷3 5101367.25
n÷5 4081093.8

Exponentiation

ny
n2 416383165109961
n3 8.4964937677732E+21
n4 1.7337494018699E+29
n5 3.5377969673625E+36

Nth Root

y√n
2√n 4517.241304159
3√n 273.26385685433
4√n 67.210425561508
5√n 28.970054766181

Divisors of 20405469

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 -20405468
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 20405469 can be divided by 8 positive divisors. The sum of these divisors (counting 20405469) is 1, the average is 0.125.

Base conversion 20405469

Base System Value
2 Binary 1001101110101110011011101
3 Ternary 1102101201001010
4 Quaternary 1031311303131
5 Quinary 20210433334
6 Senary 2005205433
8 Octal 115656335
10 Decimal 20405469
12 Duodecimal 6a00879
16 Hexadecimal 1375cdd
20 Vigesimal 67add9
36 Base36 c5cyl

Cryptographic Hash Functions

md5 ca2bb14652645b84034b6824f2db9075
sha1 612621c723578f596d3ada4193056461f9845a19
sha256 3061549862f543bf7e3da91f62514e4fdc1f78169b3e1a550999fa1c93f0bd6e
sha512 48d3cddcc785df8aa63b18bca8ff680de021098902b4da54d4282d4b03d62e51e106e7dca3fb1fe3373d5405663902a337e55e237c19b9c519188f2eccc68c1d
ripemd-160 c57a6ff005bd3b0653274aa4fdcc68c207090e4c

20405469 as geometric shapes

Circle

Radius = n
Diameter 40810938
Circumference 128211343.00691
Area 1.3081062925879E+15

Sphere

Radius = n
Volume 3.5590029869477E+22
Surface area 5.2324251703517E+15
Circumference 128211343.00691

Square

Length = n
Perimeter 81621876
Area 416383165109961
Diagonal 28857691.006384

Cube

Length = n
Surface area 2498298990659766
Volume 8.4964937677732E+21
Space diagonal 35343309.060272

Equilateral Triangle

Length = n
Perimeter 61216407
Area 1.802991993467E+14
Altitude 17671654.530136

Triangular Pyramid

Length = n
Surface area 1.802991993467E+14
Volume 1.0013213932503E+21
Height 9619230.3354613