20805220 (number)

20805220 is an even 8-digits composite number following 20805219 and preceding 20805221. In scientific notation, it is written as 2.0805220 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors. There are 8303616 positive integers (up to 20805220) that are relatively prime to 20805220.

Interesting facts

Basic properties

Name

Name twenty million eight hundred five thousand two hundred twenty

Notation

Scientific notation 2.0805220 × 10^7
Engineering notation 2.0805220 × 10^6

Prime Factorization of 20805220

Prime Factorization 2 × 2 × 5 × 613 × 1697

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10402610
Product of the distinct prime numbers

The prime factorization of 20805220 is 2 × 2 × 5 × 613 × 1697. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 3, 81, 65, 864, 383, 1752, 7887, 37838, 22860, 755916, 930018, 6967569, 1433074, 83712989, 93618995, 759886670, 820204653, 6371228998, 7586682532

Basic calculations (n = 20805220)

Multiplication

n×y
n×2 41610440
n×3 62415660
n×4 83220880
n×5 104026100

Division

n÷y
n÷2 10402610
n÷3 6935073.3333333
n÷3 5201305
n÷5 4161044

Exponentiation

ny
n2 432857179248400
n3 9.0056888428424E+21
n4 1.8736533762688E+29
n5 3.8981770697015E+36

Nth Root

y√n
2√n 4561.2739448536
3√n 275.03677745045
4√n 67.537204153367
5√n 29.082682529209

Divisors of 20805220

1, 2, 4, 5, 10, 20, 613, 1226, 1697, 2452, 3065, 3394, 6130, 6788, 8485, 12260, 16970, 33940, 1040261, 2080522, 4161044, 5201305, 10402610, 20805220

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20805219
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20805220 can be divided by 24 positive divisors. The sum of these divisors (counting 20805220) is 1, the average is 0.041666666666667.

Base conversion 20805220

Base System Value
2 Binary 1001111010111011001100100
3 Ternary 1110011000101201
4 Quaternary 1033113121210
5 Quinary 20311231340
6 Senary 2021532244
8 Octal 117273144
10 Decimal 20805220
12 Duodecimal 6b74084
16 Hexadecimal 13d7664
20 Vigesimal 6a0d10
36 Base36 cdxes

Cryptographic Hash Functions

md5 92129912931a9f2b68eee3071fa24f30
sha1 a2941dbc08df39b87007061dcf110e72fd7d4a06
sha256 dd174af5fb6f3eaf4599d443d1c42e4a030957a7801ef7b8e8332f3dea9e737b
sha512 d10452b33edf29b5c1e512bfc705a410c13e4b0f1e5ceb8802120484bec6b87b262da121453d1ecd9a76434f6c20c0f15edd6a462b6cede5aa76715c6771faea
ripemd-160 d564b7e4a6551918781119fb02db4d0eec3aa7e0

20805220 as geometric shapes

Circle

Radius = n
Diameter 41610440
Circumference 130723052.61664
Area 1.3598609343804E+15

Sphere

Radius = n
Volume 3.7722941212252E+22
Surface area 5.4394437375215E+15
Circumference 130723052.61664

Square

Length = n
Perimeter 83220880
Area 432857179248400
Diagonal 29423024.292156

Cube

Length = n
Surface area 2597143075490400
Volume 9.0056888428424E+21
Space diagonal 36035698.102648

Equilateral Triangle

Length = n
Perimeter 62415660
Area 1.8743265671979E+14
Altitude 18017849.051324

Triangular Pyramid

Length = n
Surface area 1.8743265671979E+14
Volume 1.0613306083383E+21
Height 9807674.764052