20405540 (number)

20405540 is an even 8-digits composite number following 20405539 and preceding 20405541. In scientific notation, it is written as 2.0405540 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors. There are 8089088 positive integers (up to 20405540) that are relatively prime to 20405540.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand five hundred forty

Notation

Scientific notation 2.0405540 × 10^7
Engineering notation 2.0405540 × 10^6

Prime Factorization of 20405540

Prime Factorization 2 × 2 × 5 × 113 × 9029

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10202770
Product of the distinct prime numbers

The prime factorization of 20405540 is 2 × 2 × 5 × 113 × 9029. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 32, 30, 59, 756, 9218, 9284, 47337, 12692, 718715, 370265, 4752369, 1095688, 25394267, 70511517, 735715971, 664008662, 487049692, 2341283777

Basic calculations (n = 20405540)

Multiplication

n×y
n×2 40811080
n×3 61216620
n×4 81622160
n×5 102027700

Division

n÷y
n÷2 10202770
n÷3 6801846.6666667
n÷3 5101385
n÷5 4081108

Exponentiation

ny
n2 416386062691600
n3 8.496582457696E+21
n4 1.7337735320381E+29
n5 3.5378585158945E+36

Nth Root

y√n
2√n 4517.2491629309
3√n 273.26417379079
4√n 67.210484025418
5√n 28.970074926178

Divisors of 20405540

1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9029, 18058, 36116, 45145, 90290, 180580, 1020277, 2040554, 4081108, 5101385, 10202770, 20405540

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 -20405539
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 20405540 can be divided by 24 positive divisors. The sum of these divisors (counting 20405540) is 1, the average is 0.041666666666667.

Base conversion 20405540

Base System Value
2 Binary 1001101110101110100100100
3 Ternary 1102101201010202
4 Quaternary 1031311310210
5 Quinary 20210434130
6 Senary 2005210032
8 Octal 115656444
10 Decimal 20405540
12 Duodecimal 6a00918
16 Hexadecimal 1375d24
20 Vigesimal 67adh0
36 Base36 c5d0k

Cryptographic Hash Functions

md5 525a9ad8560b6fc589981f8d79fb6ed2
sha1 340ad6f4f6894406bd2770992911508b3a71cf97
sha256 492a79fac7ec08a0dc9f11cf2572b98a2b5aa26deae03e16839b2c1a9c6058c6
sha512 da20755e779bb60269fd89f5d3cbef36bd50661b3c94227cefff4cc3e41d8a3b6f672e9c8041cdc804e31c8da001bf79a40bf9d6294519635aaef5cc1bf263f0
ripemd-160 e509128a7b11698fd84c789c147dcc30e6c26a0c

20405540 as geometric shapes

Circle

Radius = n
Diameter 40811080
Circumference 128211789.11307
Area 1.3081153956091E+15

Sphere

Radius = n
Volume 3.5590401372957E+22
Surface area 5.2324615824364E+15
Circumference 128211789.11307

Square

Length = n
Perimeter 81622160
Area 416386062691600
Diagonal 28857791.415547

Cube

Length = n
Surface area 2498316376149600
Volume 8.496582457696E+21
Space diagonal 35343432.035879

Equilateral Triangle

Length = n
Perimeter 61216620
Area 1.8030045403635E+14
Altitude 17671716.01794

Triangular Pyramid

Length = n
Surface area 1.8030045403635E+14
Volume 1.0013318454579E+21
Height 9619263.8051822