20784640 (number)

20784640 is an even 8-digits composite number following 20784639 and preceding 20784641. In scientific notation, it is written as 2.0784640 × 10^7. The sum of its digits is 31. It has a total of 12 prime factors and 80 positive divisors. There are 7929856 positive integers (up to 20784640) that are relatively prime to 20784640.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-four thousand six hundred forty

Notation

Scientific notation 2.0784640 × 10^7
Engineering notation 2.0784640 × 10^6

Prime Factorization of 20784640

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 23 × 353

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 81190
Product of the distinct prime numbers

The prime factorization of 20784640 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 23 × 353. Since it has a total of 12 prime factors.

Most popular turbo-numbers

3, 10, 84, 44, 500, 842, 1902, 3596, 62713, 94236, 840906, 454047, 6304414, 2204550, 22001769, 15830713, 139726131, 114141832, 2632961133, 1135958621

Basic calculations (n = 20784640)

Multiplication

n×y
n×2 41569280
n×3 62353920
n×4 83138560
n×5 103923200

Division

n÷y
n÷2 10392320
n÷3 6928213.3333333
n÷3 5196160
n÷5 4156928

Exponentiation

ny
n2 432001259929600
n3 8.9789906671832E+21
n4 1.8662508858076E+29
n5 3.8789352811192E+36

Nth Root

y√n
2√n 4559.0174380013
3√n 274.94606104636
4√n 67.520496428872
5√n 29.07692667982

Divisors of 20784640

1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 353, 368, 460, 512, 640, 706, 736, 920, 1280, 1412, 1472, 1765, 1840, 2560, 2824, 2944, 3530, 3680, 5648, 5888, 7060, 7360, 8119, 11296, 11776, 14120, 14720, 16238, 22592, 28240, 29440, 32476, 40595, 45184, 56480, 58880, 64952, 81190, 90368, 112960, 129904, 162380, 180736, 225920, 259808, 324760, 451840, 519616, 649520, 903680, 1039232, 1299040, 2078464, 2598080, 4156928, 5196160, 10392320, 20784640

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20784639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20784640 can be divided by 80 positive divisors. The sum of these divisors (counting 20784640) is 1, the average is 0.0125.

Base conversion 20784640

Base System Value
2 Binary 1001111010010011000000000
3 Ternary 1110002222011111
4 Quaternary 1033102120000
5 Quinary 20310102030
6 Senary 2021253104
8 Octal 117223000
10 Decimal 20784640
12 Duodecimal 6b64194
16 Hexadecimal 13d2600
20 Vigesimal 69i1c0
36 Base36 cdhj4

Cryptographic Hash Functions

md5 1cc91e99c35a9c4b9b41ae52d23fd0db
sha1 79a6952a3c54cb9f0953de410dacc9ac691792f7
sha256 a81dbeaf54286849b5a305f49b9863951181a490fefff7a58d987a0cc6feea83
sha512 b79cf06daa03afaf5dbf760fcbc0123be8c080faa4bc36d4551ee11b3e495abd0cdd7a424afab4289d4cac57ab3c1879610578d222e9328321a738d9e6abb34b
ripemd-160 62aea21f8070e89c1e260a15472b541ffda9128b

20784640 as geometric shapes

Circle

Radius = n
Diameter 41569280
Circumference 130593744.66302
Area 1.3571719845364E+15

Sphere

Radius = n
Volume 3.7611108155565E+22
Surface area 5.4286879381455E+15
Circumference 130593744.66302

Square

Length = n
Perimeter 83138560
Area 432001259929600
Diagonal 29393919.777042

Cube

Length = n
Surface area 2592007559577600
Volume 8.9789906671832E+21
Space diagonal 36000052.497028

Equilateral Triangle

Length = n
Perimeter 62353920
Area 1.8706203278296E+14
Altitude 18000026.248514

Triangular Pyramid

Length = n
Surface area 1.8706203278296E+14
Volume 1.0581841981627E+21
Height 9797973.2590141