20408505 (number)

20408505 is an odd 8-digits composite number following 20408504 and preceding 20408506. In scientific notation, it is written as 2.0408505 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 10047168 positive integers (up to 20408505) that are relatively prime to 20408505.

Interesting facts

Basic properties

Name

Name twenty million four hundred eight thousand five hundred five

Notation

Scientific notation 2.0408505 × 10^7
Engineering notation 2.0408505 × 10^6

Prime Factorization of 20408505

Prime Factorization 15 × 13 × 104659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20408505
Product of the distinct prime numbers

The prime factorization of 20408505 is 15 × 13 × 104659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20408505)

Multiplication

n×y
n×2 40817010
n×3 61225515
n×4 81634020
n×5 102042525

Division

n÷y
n÷2 10204252.5
n÷3 6802835
n÷3 5102126.25
n÷5 4081701

Exponentiation

ny
n2 416507076335025
n3 8.5002867499187E+21
n4 1.7347814463715E+29
n5 3.540429582218E+36

Nth Root

y√n
2√n 4517.5773374675
3√n 273.27740857957
4√n 67.212925375016
5√n 28.970916768935

Divisors of 20408505

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 -20408504
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 20408505 can be divided by 8 positive divisors. The sum of these divisors (counting 20408505) is 1, the average is 0.125.

Base conversion 20408505

Base System Value
2 Binary 1001101110110100010111001
3 Ternary 1102101212012120
4 Quaternary 1031312202321
5 Quinary 20211033010
6 Senary 2005231453
8 Octal 115664271
10 Decimal 20408505
12 Duodecimal 6a02589
16 Hexadecimal 13768b9
20 Vigesimal 67b155
36 Base36 c5fax

Cryptographic Hash Functions

md5 077775f90af1a6322721ebfda4964dab
sha1 81b92d0de4806caf91dd50a5c72cd676d2974442
sha256 b697170082096d3b782e4ed423ef33c6d3ea5d75a129c2f2ac63f751ebb1470e
sha512 28eb94706b66cd81d8680b00c87134ab10f4ac79f3cb68f4e5b2c8ce4f97b2339ce876c56634b06d29fd750720d6b8bee5eff058ef0266feb1631d4e2c7ae6bf
ripemd-160 d9e70afff24274f5d5276e3416a8c027ce75b66b

20408505 as geometric shapes

Circle

Radius = n
Diameter 40817010
Circumference 128230418.7575
Area 1.3084955711823E+15

Sphere

Radius = n
Volume 3.5605917875935E+22
Surface area 5.2339822847291E+15
Circumference 128230418.7575

Square

Length = n
Perimeter 81634020
Area 416507076335025
Diagonal 28861984.558759

Cube

Length = n
Surface area 2499042458010150
Volume 8.5002867499187E+21
Space diagonal 35348567.566523

Equilateral Triangle

Length = n
Perimeter 61225515
Area 1.8035285448106E+14
Altitude 17674283.783262

Triangular Pyramid

Length = n
Surface area 1.8035285448106E+14
Volume 1.0017684004829E+21
Height 9620661.5195864