20805590 (number)

20805590 is an even 8-digits composite number following 20805589 and preceding 20805591. In scientific notation, it is written as 2.0805590 × 10^7. The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors. There are 7673952 positive integers (up to 20805590) that are relatively prime to 20805590.

Interesting facts

Basic properties

Name

Name twenty million eight hundred five thousand five hundred ninety

Notation

Scientific notation 2.0805590 × 10^7
Engineering notation 2.0805590 × 10^6

Prime Factorization of 20805590

Prime Factorization 2 × 65 × 13 × 13 × 947

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1600430
Product of the distinct prime numbers

The prime factorization of 20805590 is 2 × 65 × 13 × 13 × 947. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20805590)

Multiplication

n×y
n×2 41611180
n×3 62416770
n×4 83222360
n×5 104027950

Division

n÷y
n÷2 10402795
n÷3 6935196.6666667
n÷3 5201397.5
n÷5 4161118

Exponentiation

ny
n2 432872575248100
n3 9.0061693228561E+21
n4 1.8737866640192E+29
n5 3.8985237079052E+36

Nth Root

y√n
2√n 4561.3145035176
3√n 275.03840785866
4√n 67.537504421748
5√n 29.08278596975

Divisors of 20805590

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 -20805589
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 20805590 can be divided by 24 positive divisors. The sum of these divisors (counting 20805590) is 1, the average is 0.041666666666667.

Base conversion 20805590

Base System Value
2 Binary 1001111010111011111010110
3 Ternary 1110011000220102
4 Quaternary 1033113133112
5 Quinary 20311234330
6 Senary 2021534102
8 Octal 117273726
10 Decimal 20805590
12 Duodecimal 6b74332
16 Hexadecimal 13d77d6
20 Vigesimal 6a0dja
36 Base36 cdxp2

Cryptographic Hash Functions

md5 7b0847db4b1fe49767855914d61ba03b
sha1 8c8bdd5e801c5cdaa9a8f341db8845c1bda98fe7
sha256 2c1424741df8d981def2264679352f5b6bb7fbbac2a448ecee2658403ad87b11
sha512 350cb34f6088d8f4d6aa67f6d45aec753e410b8f96f4228c50dec0685f852e82dd073727f4ca59e69b98df3b3fe8ea413a20b4e5fc983b5318d826e2e1dafbc7
ripemd-160 55d429263906c099aa4a06da3e81d169654cf1d5

20805590 as geometric shapes

Circle

Radius = n
Diameter 41611180
Circumference 130725377.3952
Area 1.3599093023399E+15

Sphere

Radius = n
Volume 3.7724953842227E+22
Surface area 5.4396372093597E+15
Circumference 130725377.3952

Square

Length = n
Perimeter 83222360
Area 432872575248100
Diagonal 29423547.551174

Cube

Length = n
Surface area 2597235451488600
Volume 9.0061693228561E+21
Space diagonal 36036338.961447

Equilateral Triangle

Length = n
Perimeter 62416770
Area 1.8743932338322E+14
Altitude 18018169.480723

Triangular Pyramid

Length = n
Surface area 1.8743932338322E+14
Volume 1.061387233451E+21
Height 9807849.1837247