20405538 (number)

20405538 is an even 8-digits composite number following 20405537 and preceding 20405539. In scientific notation, it is written as 2.0405538 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 6801840 positive integers (up to 20405538) that are relatively prime to 20405538.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand five hundred thirty-eight

Notation

Scientific notation 2.0405538 × 10^7
Engineering notation 2.0405538 × 10^6

Prime Factorization of 20405538

Prime Factorization 2 × 3 × 3 × 1133641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6801846
Product of the distinct prime numbers

The prime factorization of 20405538 is 2 × 3 × 3 × 1133641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 6, 92, 634, 723, 7176, 4230, 3874, 15407, 444261, 493239, 5665891, 5379664, 72249869, 43396492, 882232739, 48686937, 2127908612, 424506154

Basic calculations (n = 20405538)

Multiplication

n×y
n×2 40811076
n×3 61216614
n×4 81622152
n×5 102027690

Division

n÷y
n÷2 10202769
n÷3 6801846
n÷3 5101384.5
n÷5 4081107.6

Exponentiation

ny
n2 416385981069444
n3 8.4965799593798E+21
n4 1.7337728523116E+29
n5 3.5378567821213E+36

Nth Root

y√n
2√n 4517.2489415572
3√n 273.26416486302
4√n 67.210482378549
5√n 28.970074358292

Divisors of 20405538

1, 2, 3, 6, 9, 18, 1133641, 2267282, 3400923, 6801846, 10202769, 20405538

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405537
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405538 can be divided by 12 positive divisors. The sum of these divisors (counting 20405538) is 1, the average is 0.083333333333333.

Base conversion 20405538

Base System Value
2 Binary 1001101110101110100100010
3 Ternary 1102101201010200
4 Quaternary 1031311310202
5 Quinary 20210434123
6 Senary 2005210030
8 Octal 115656442
10 Decimal 20405538
12 Duodecimal 6a00916
16 Hexadecimal 1375d22
20 Vigesimal 67adgi
36 Base36 c5d0i

Cryptographic Hash Functions

md5 d18b8af08b339a7e7739748cc60a3577
sha1 8b865efc4f37897192b2d59af9a5a7f9e8637a73
sha256 e1d722a9280ebfa249b12f41a2303739f4009c3fa9175e6958d02279198c9622
sha512 715faeb9eb6e2d2f7b72c1b72d7066f5a5a7a01297cb8473a2703a0923c7c8f5915a9120eb0d405c594926562f0d32c50ca0300eac7a0a1f50aa6cd5ed2ffee5
ripemd-160 de7822803aa9efd28c9811d4a39dc97de44bd876

20405538 as geometric shapes

Circle

Radius = n
Diameter 40811076
Circumference 128211776.54669
Area 1.3081151391855E+15

Sphere

Radius = n
Volume 3.5590390908035E+22
Surface area 5.2324605567422E+15
Circumference 128211776.54669

Square

Length = n
Perimeter 81622152
Area 416385981069444
Diagonal 28857788.58712

Cube

Length = n
Surface area 2498315886416664
Volume 8.4965799593798E+21
Space diagonal 35343428.571777

Equilateral Triangle

Length = n
Perimeter 61216614
Area 1.8030041869292E+14
Altitude 17671714.285889

Triangular Pyramid

Length = n
Surface area 1.8030041869292E+14
Volume 1.0013315510285E+21
Height 9619262.8623732