20561690 (number)

20561690 is an even 8-digits composite number following 20561689 and preceding 20561691. In scientific notation, it is written as 2.0561690 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 8211984 positive integers (up to 20561690) that are relatively prime to 20561690.

Interesting facts

Basic properties

Name

Name twenty million five hundred sixty-one thousand six hundred ninety

Notation

Scientific notation 2.0561690 × 10^7
Engineering notation 2.0561690 × 10^6

Prime Factorization of 20561690

Prime Factorization 2 × 5 × 907 × 2267

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20561690
Product of the distinct prime numbers

The prime factorization of 20561690 is 2 × 5 × 907 × 2267. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20561690)

Multiplication

n×y
n×2 41123380
n×3 61685070
n×4 82246760
n×5 102808450

Division

n÷y
n÷2 10280845
n÷3 6853896.6666667
n÷3 5140422.5
n÷5 4112338

Exponentiation

ny
n2 422783095656100
n3 8.6931349501211E+21
n4 1.7874554597256E+29
n5 3.6753105051684E+36

Nth Root

y√n
2√n 4534.4999724336
3√n 273.95943953573
4√n 67.338695951389
5√n 29.014277566853

Divisors of 20561690

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20561689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20561690 can be divided by 16 positive divisors. The sum of these divisors (counting 20561690) is 1, the average is 0.0625.

Base conversion 20561690

Base System Value
2 Binary 1001110011011111100011010
3 Ternary 1102200122100002
4 Quaternary 1032123330122
5 Quinary 20230433230
6 Senary 2012413002
8 Octal 116337432
10 Decimal 20561690
12 Duodecimal 6a77162
16 Hexadecimal 139bf1a
20 Vigesimal 68a44a
36 Base36 c8pi2

Cryptographic Hash Functions

md5 7e129ecf5ab1919aa29c232c84dcbd98
sha1 c8ed620c3a190bd6a41e03d6db85a2ecd3a50f59
sha256 74270abe12258ef062cffd6c1fbc5a1f06b02bcf01005afeba698481e7bcef33
sha512 df264e09ce2e2416e15e9664788267372bf7990f39c4c3c010d5d949e1ebcf59da3dc111e3b4bdfd5a3624e06792ea72a6195b6a1a9918b6ffc7a841cdb02514
ripemd-160 4c983794921795fea7e04c011f7632515f7feb1f

20561690 as geometric shapes

Circle

Radius = n
Diameter 41123380
Circumference 129192908.49878
Area 1.3282122673752E+15

Sphere

Radius = n
Volume 3.6413718527953E+22
Surface area 5.3128490695006E+15
Circumference 129192908.49878

Square

Length = n
Perimeter 82246760
Area 422783095656100
Diagonal 29078620.863311

Cube

Length = n
Surface area 2536698573936600
Volume 8.6931349501211E+21
Space diagonal 35613891.769481

Equilateral Triangle

Length = n
Perimeter 61685070
Area 1.830704505644E+14
Altitude 17806945.88474

Triangular Pyramid

Length = n
Surface area 1.830704505644E+14
Volume 1.0244957788334E+21
Height 9692873.6211037