20406721 (number)

20406721 is an odd 8-digits composite number following 20406720 and preceding 20406722. In scientific notation, it is written as 2.0406721 × 10^7. The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors. There are 19628928 positive integers (up to 20406721) that are relatively prime to 20406721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0406721 × 10^7
Engineering notation 2.0406721 × 10^6

Prime Factorization of 20406721

Prime Factorization 37 × 89 × 6197

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20406721
Product of the distinct prime numbers

The prime factorization of 20406721 is 37 × 89 × 6197. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20406721)

Multiplication

n×y
n×2 40813442
n×3 61220163
n×4 81626884
n×5 102033605

Division

n÷y
n÷2 10203360.5
n÷3 6802240.3333333
n÷3 5101680.25
n÷5 4081344.2

Exponentiation

ny
n2 416434261971841
n3 8.4980577989003E+21
n4 1.7341749454403E+29
n5 3.5388824276791E+36

Nth Root

y√n
2√n 4517.3798821883
3√n 273.26944554156
4√n 67.211456480189
5√n 28.970410255373

Divisors of 20406721

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 -20406720
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 20406721 can be divided by 8 positive divisors. The sum of these divisors (counting 20406721) is 1, the average is 0.125.

Base conversion 20406721

Base System Value
2 Binary 1001101110110000111000001
3 Ternary 1102101202202111
4 Quaternary 1031312013001
5 Quinary 20211003341
6 Senary 2005215321
8 Octal 115660701
10 Decimal 20406721
12 Duodecimal 6a01541
16 Hexadecimal 13761c1
20 Vigesimal 67agg1
36 Base36 c5dxd

Cryptographic Hash Functions

md5 5624ef63d2bd47d33ca7d15980ca459a
sha1 da37d2bececd55cf15a0e1dc0c1b76968098f55e
sha256 f03f85f8dfcf23bc678de6e6f14baa01bf02d1c774ab20772391d6030e246ae5
sha512 92a21ea60d95f2fad25204451f6056093f928cc38fcc054e3fd520d42eabad0b7d562b685897892292b5193f0ec464b03e0c8520a2f5e21104429a826bc3af00
ripemd-160 a0997787ffe5d2e5300488be61155ba343844fd0

20406721 as geometric shapes

Circle

Radius = n
Diameter 40813442
Circumference 128219209.55491
Area 1.3082668181138E+15

Sphere

Radius = n
Volume 3.5596581267742E+22
Surface area 5.2330672724553E+15
Circumference 128219209.55491

Square

Length = n
Perimeter 81626884
Area 416434261971841
Diagonal 28859461.601764

Cube

Length = n
Surface area 2498605571831046
Volume 8.4980577989003E+21
Space diagonal 35345477.587883

Equilateral Triangle

Length = n
Perimeter 61220163
Area 1.8032132493692E+14
Altitude 17672738.793941

Triangular Pyramid

Length = n
Surface area 1.8032132493692E+14
Volume 1.0015057160863E+21
Height 9619820.5339213