20404890 (number)

20404890 is an even 8-digits composite number following 20404889 and preceding 20404891. In scientific notation, it is written as 2.0404890 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 4946400 positive integers (up to 20404890) that are relatively prime to 20404890.

Interesting facts

Basic properties

Name

Name twenty million four hundred four thousand eight hundred ninety

Notation

Scientific notation 2.0404890 × 10^7
Engineering notation 2.0404890 × 10^6

Prime Factorization of 20404890

Prime Factorization 2 × 99 × 5 × 20611

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20404890
Product of the distinct prime numbers

The prime factorization of 20404890 is 2 × 99 × 5 × 20611. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 59, 96, 822, 263, 1377, 4417, 87740, 39758, 998891, 391490, 9149504, 5166605, 80963604, 5859049, 404168619, 323577143, 1838229765, 1674648664

Basic calculations (n = 20404890)

Multiplication

n×y
n×2 40809780
n×3 61214670
n×4 81619560
n×5 102024450

Division

n÷y
n÷2 10202445
n÷3 6801630
n÷3 5101222.5
n÷5 4080978

Exponentiation

ny
n2 416359535912100
n3 8.4957705307375E+21
n4 1.7335526314494E+29
n5 3.5372950753935E+36

Nth Root

y√n
2√n 4517.177215917
3√n 273.26127223238
4√n 67.209948786746
5√n 28.969890360726

Divisors of 20404890

1, 2, 5, 10, 99, 198, 495, 990, 20611, 41222, 103055, 206110, 2040489, 4080978, 10202445, 20404890

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 -20404889
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 20404890 can be divided by 16 positive divisors. The sum of these divisors (counting 20404890) is 1, the average is 0.0625.

Base conversion 20404890

Base System Value
2 Binary 1001101110101101010011010
3 Ternary 1102101200020200
4 Quaternary 1031311222122
5 Quinary 20210424030
6 Senary 2005203030
8 Octal 115655232
10 Decimal 20404890
12 Duodecimal 6a00476
16 Hexadecimal 1375a9a
20 Vigesimal 67ac4a
36 Base36 c5cii

Cryptographic Hash Functions

md5 972682d04c43ea59f3fc08a0aad6e1a3
sha1 efdab84a95dc6419d1699ba49cfb898898f3240a
sha256 23d0a065d917bd18be4969a5b1b6e0ad1577020db4c8fdd84a5e57925b725361
sha512 140444a3221c7f9d784ab4abdb1e1bd34fe5ffa62f946caf543213c7c2ebba7fd5ed45aaee59c8fc2de36f766be4c84104c88bee7ef79954f85677e814109116
ripemd-160 b084ad325b7ece4e37e60a1eb259e9ff0bc83e56

20404890 as geometric shapes

Circle

Radius = n
Diameter 40809780
Circumference 128207705.04262
Area 1.3080320592735E+15

Sphere

Radius = n
Volume 3.5587000381266E+22
Surface area 5.232128237094E+15
Circumference 128207705.04262

Square

Length = n
Perimeter 81619560
Area 416359535912100
Diagonal 28856872.176731

Cube

Length = n
Surface area 2498157215472600
Volume 8.4957705307375E+21
Space diagonal 35342306.202854

Equilateral Triangle

Length = n
Perimeter 61214670
Area 1.8028896760389E+14
Altitude 17671153.101427

Triangular Pyramid

Length = n
Surface area 1.8028896760389E+14
Volume 1.0012361589482E+21
Height 9618957.3922437