20406784 (number)

20406784 is an even 8-digits composite number following 20406783 and preceding 20406785. In scientific notation, it is written as 2.0406784 × 10^7. The sum of its digits is 31. It has a total of 10 prime factors and 20 positive divisors. There are 10203136 positive integers (up to 20406784) that are relatively prime to 20406784.

Interesting facts

Basic properties

Name

Name twenty million four hundred six thousand seven hundred eighty-four

Notation

Scientific notation 2.0406784 × 10^7
Engineering notation 2.0406784 × 10^6

Prime Factorization of 20406784

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 39857

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 79714
Product of the distinct prime numbers

The prime factorization of 20406784 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 39857. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20406784)

Multiplication

n×y
n×2 40813568
n×3 61220352
n×4 81627136
n×5 102033920

Division

n÷y
n÷2 10203392
n÷3 6802261.3333333
n÷3 5101696
n÷5 4081356.8

Exponentiation

ny
n2 416436833222656
n3 8.4981365052188E+21
n4 1.7341963606451E+29
n5 3.5389370545272E+36

Nth Root

y√n
2√n 4517.3868552516
3√n 273.2697267554
4√n 67.211508354237
5√n 28.970428142946

Divisors of 20406784

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20406783
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20406784 can be divided by 20 positive divisors. The sum of these divisors (counting 20406784) is 1, the average is 0.05.

Base conversion 20406784

Base System Value
2 Binary 1001101110110001000000000
3 Ternary 1102101202211211
4 Quaternary 1031312020000
5 Quinary 20211004114
6 Senary 2005215504
8 Octal 115661000
10 Decimal 20406784
12 Duodecimal 6a01594
16 Hexadecimal 1376200
20 Vigesimal 67agj4
36 Base36 c5dz4

Cryptographic Hash Functions

md5 c882c3c35e10d36f902c4c491d14e4f1
sha1 203c18831e2d65d81c5f47c2f6f3c43e7fe69081
sha256 cf0a1a324e2e4471d0242ac19821e28526c80c360b4ecdae41eb6ea48a26312a
sha512 a765c35aa504721c718d9d36db6ccbe331c559a0751bde407addfa8ada04bb3fd270d443373b781939f5a478c228c09762210fcc22c146461a98cdf39f7774b0
ripemd-160 ab5adb2150f795de351223c398688480195b4295

20406784 as geometric shapes

Circle

Radius = n
Diameter 40813568
Circumference 128219605.39559
Area 1.3082748959365E+15

Sphere

Radius = n
Volume 3.5596910951998E+22
Surface area 5.233099583746E+15
Circumference 128219605.39559

Square

Length = n
Perimeter 81627136
Area 416436833222656
Diagonal 28859550.697218

Cube

Length = n
Surface area 2498620999335936
Volume 8.4981365052188E+21
Space diagonal 35345586.707084

Equilateral Triangle

Length = n
Perimeter 61220352
Area 1.8032243832118E+14
Altitude 17672793.353542

Triangular Pyramid

Length = n
Surface area 1.8032243832118E+14
Volume 1.0015149917149E+21
Height 9619850.2324061