20205440 (number)

20205440 is an even 8-digits composite number following 20205439 and preceding 20205441. In scientific notation, it is written as 2.0205440 × 10^7. The sum of its digits is 17. It has a total of 10 prime factors and 64 positive divisors. There are 7987200 positive integers (up to 20205440) that are relatively prime to 20205440.

Interesting facts

Basic properties

Name

Name twenty million two hundred five thousand four hundred forty

Notation

Scientific notation 2.0205440 × 10^7
Engineering notation 2.0205440 × 10^6

Prime Factorization of 20205440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 131 × 241

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 315710
Product of the distinct prime numbers

The prime factorization of 20205440 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 131 × 241. Since it has a total of 10 prime factors.

Most popular turbo-numbers

10, 9, 21, 86, 588, 100, 8198, 3386, 7821, 55643, 542841, 40967, 8342066, 5242661, 99186695, 20153569, 527838819, 619672433, 7497419206, 3509586359

Basic calculations (n = 20205440)

Multiplication

n×y
n×2 40410880
n×3 60616320
n×4 80821760
n×5 101027200

Division

n÷y
n÷2 10102720
n÷3 6735146.6666667
n÷3 5051360
n÷5 4041088

Exponentiation

ny
n2 408259805593600
n3 8.2490690063331E+21
n4 1.6667606886332E+29
n5 3.3677633088538E+36

Nth Root

y√n
2√n 4495.0461621656
3√n 272.36801396602
4√n 67.045105430342
5√n 28.913033702254

Divisors of 20205440

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 241, 262, 320, 482, 524, 640, 655, 964, 1048, 1205, 1310, 1928, 2096, 2410, 2620, 3856, 4192, 4820, 5240, 7712, 8384, 9640, 10480, 15424, 16768, 19280, 20960, 30848, 31571, 38560, 41920, 63142, 77120, 83840, 126284, 154240, 157855, 252568, 315710, 505136, 631420, 1010272, 1262840, 2020544, 2525680, 4041088, 5051360, 10102720, 20205440

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20205439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20205440 can be divided by 64 positive divisors. The sum of these divisors (counting 20205440) is 1, the average is 0.015625.

Base conversion 20205440

Base System Value
2 Binary 1001101000100111110000000
3 Ternary 1102000112122122
4 Quaternary 1031010332000
5 Quinary 20133033230
6 Senary 2001023412
8 Octal 115047600
10 Decimal 20205440
12 Duodecimal 6924b68
16 Hexadecimal 1344f80
20 Vigesimal 665dc0
36 Base36 c12m8

Cryptographic Hash Functions

md5 0044dbfb89b0fbecce9bebca03ca55a1
sha1 5a39f2116e163cd2c8c1de97c031d08c95d72b23
sha256 7dd6515d51982b23e9cf13785e0a6d93070c915fb03be377f64bcd3d046fee88
sha512 ce6ab433c654d8c8659b8492d57b9062206083cdf886f64b748ae5d40ec85f7c56da1e01ba3546bf0cfeac4f63a931d8c089ce31291882b66e309a089d120f33
ripemd-160 4f15f153006ccc6cda7e33023c38353c0d2d123b

20205440 as geometric shapes

Circle

Radius = n
Diameter 40410880
Circumference 126954523.7331
Area 1.2825860060089E+15

Sphere

Radius = n
Volume 3.4553619452335E+22
Surface area 5.1303440240354E+15
Circumference 126954523.7331

Square

Length = n
Perimeter 80821760
Area 408259805593600
Diagonal 28574807.281716

Cube

Length = n
Surface area 2449558833561600
Volume 8.2490690063331E+21
Space diagonal 34996848.669284

Equilateral Triangle

Length = n
Perimeter 60616320
Area 1.7678168149408E+14
Altitude 17498424.334642

Triangular Pyramid

Length = n
Surface area 1.7678168149408E+14
Volume 9.7216210547566E+20
Height 9524935.7605719