20406505 (number)

20406505 is an odd 8-digits composite number following 20406504 and preceding 20406506. In scientific notation, it is written as 2.0406505 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 13859712 positive integers (up to 20406505) that are relatively prime to 20406505.

Interesting facts

Basic properties

Name

Name twenty million four hundred six thousand five hundred five

Notation

Scientific notation 2.0406505 × 10^7
Engineering notation 2.0406505 × 10^6

Prime Factorization of 20406505

Prime Factorization 7 × 5 × 107 × 5449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20406505
Product of the distinct prime numbers

The prime factorization of 20406505 is 7 × 5 × 107 × 5449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20406505)

Multiplication

n×y
n×2 40813010
n×3 61219515
n×4 81626020
n×5 102032525

Division

n÷y
n÷2 10203252.5
n÷3 6802168.3333333
n÷3 5101626.25
n÷5 4081301

Exponentiation

ny
n2 416425446315025
n3 8.4977879523548E+21
n4 1.7341015233867E+29
n5 3.5386951407498E+36

Nth Root

y√n
2√n 4517.3559744612
3√n 273.26848137542
4√n 67.2112786254
5√n 28.970348926215

Divisors of 20406505

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20406504
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20406505 can be divided by 16 positive divisors. The sum of these divisors (counting 20406505) is 1, the average is 0.0625.

Base conversion 20406505

Base System Value
2 Binary 1001101110110000011101001
3 Ternary 1102101202110111
4 Quaternary 1031312003221
5 Quinary 20211002010
6 Senary 2005214321
8 Octal 115660351
10 Decimal 20406505
12 Duodecimal 6a013a1
16 Hexadecimal 13760e9
20 Vigesimal 67ag55
36 Base36 c5drd

Cryptographic Hash Functions

md5 1fb62054a2dd1e6035c6e01f7ec5cada
sha1 4495f6eceb983e583395c4d0d11924a66786ad37
sha256 cf6e06ad1cbd305d6304bde471497d1a0f3e7da7e2f4dbcd56a9ffb26d345309
sha512 293c4ae2b30db4962eef10e0280adda933f68414b6f2624b1b60eabe66384b67c534fc2a21978fb6960c708aef952f68cefea263142b71effb0ecd0be46f1e9c
ripemd-160 c8bc6048ffc76e817414eb8e986607620fac5299

20406505 as geometric shapes

Circle

Radius = n
Diameter 40813010
Circumference 128217852.38689
Area 1.3082391229111E+15

Sphere

Radius = n
Volume 3.5595450937176E+22
Surface area 5.2329564916445E+15
Circumference 128217852.38689

Square

Length = n
Perimeter 81626020
Area 416425446315025
Diagonal 28859156.131634

Cube

Length = n
Surface area 2498552677890150
Volume 8.4977879523548E+21
Space diagonal 35345103.464908

Equilateral Triangle

Length = n
Perimeter 61219515
Area 1.8031750764554E+14
Altitude 17672551.732454

Triangular Pyramid

Length = n
Surface area 1.8031750764554E+14
Volume 1.0014739143659E+21
Height 9619718.7105448