20406720 (number)

20406720 is an even 8-digits composite number following 20406719 and preceding 20406721. In scientific notation, it is written as 2.0406720 × 10^7. The sum of its digits is 21. It has a total of 9 prime factors and 56 positive divisors. There are 5246976 positive integers (up to 20406720) that are relatively prime to 20406720.

Interesting facts

Basic properties

Name

Name twenty million four hundred six thousand seven hundred twenty

Notation

Scientific notation 2.0406720 × 10^7
Engineering notation 2.0406720 × 10^6

Prime Factorization of 20406720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 15 × 29 × 733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 637710
Product of the distinct prime numbers

The prime factorization of 20406720 is 2 × 2 × 2 × 2 × 2 × 2 × 15 × 29 × 733. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20406720)

Multiplication

n×y
n×2 40813440
n×3 61220160
n×4 81626880
n×5 102033600

Division

n÷y
n÷2 10203360
n÷3 6802240
n÷3 5101680
n÷5 4081344

Exponentiation

ny
n2 416434221158400
n3 8.4980565495975E+21
n4 1.734174605518E+29
n5 3.5388815605917E+36

Nth Root

y√n
2√n 4517.3797715047
3√n 273.26944107784
4√n 67.211455656791
5√n 28.970409971443

Divisors of 20406720

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20406719
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20406720 can be divided by 56 positive divisors. The sum of these divisors (counting 20406720) is 1, the average is 0.017857142857143.

Base conversion 20406720

Base System Value
2 Binary 1001101110110000111000000
3 Ternary 1102101202202110
4 Quaternary 1031312013000
5 Quinary 20211003340
6 Senary 2005215320
8 Octal 115660700
10 Decimal 20406720
12 Duodecimal 6a01540
16 Hexadecimal 13761c0
20 Vigesimal 67agg0
36 Base36 c5dxc

Cryptographic Hash Functions

md5 a889bb50fd627f508e25e905f62cc54a
sha1 aa58dbe0ea421d121077630b7bb9944e733154fc
sha256 35b814016ca3c17a1219c19ce6277e5af4957e372e6d587c0a22759e12ddf79d
sha512 34bf046b4d1d3cdb625a20799c6714dd3c9edae69953cef062fa4d0e39308b152e887077c52f9b4923d3abbaaccc3a6dd5d861ff11aab826827029b70ab9f897
ripemd-160 5cf4037586c31c60811f2b21a987b42b574951cf

20406720 as geometric shapes

Circle

Radius = n
Diameter 40813440
Circumference 128219203.27173
Area 1.3082666898946E+15

Sphere

Radius = n
Volume 3.5596576034675E+22
Surface area 5.2330667595785E+15
Circumference 128219203.27173

Square

Length = n
Perimeter 81626880
Area 416434221158400
Diagonal 28859460.18755

Cube

Length = n
Surface area 2498605326950400
Volume 8.4980565495975E+21
Space diagonal 35345475.855832

Equilateral Triangle

Length = n
Perimeter 61220160
Area 1.8032130726418E+14
Altitude 17672737.927916

Triangular Pyramid

Length = n
Surface area 1.8032130726418E+14
Volume 1.0015055688545E+21
Height 9619820.0625168