20784490 (number)

20784490 is an even 8-digits composite number following 20784489 and preceding 20784491. In scientific notation, it is written as 2.0784490 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 8313792 positive integers (up to 20784490) that are relatively prime to 20784490.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-four thousand four hundred ninety

Notation

Scientific notation 2.0784490 × 10^7
Engineering notation 2.0784490 × 10^6

Prime Factorization of 20784490

Prime Factorization 2 × 5 × 2078449

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20784490
Product of the distinct prime numbers

The prime factorization of 20784490 is 2 × 5 × 2078449. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20784490)

Multiplication

n×y
n×2 41568980
n×3 62353470
n×4 83137960
n×5 103922450

Division

n÷y
n÷2 10392245
n÷3 6928163.3333333
n÷3 5196122.5
n÷5 4156898

Exponentiation

ny
n2 431995024560100
n3 8.9787962680192E+21
n4 1.8661970124468E+29
n5 3.8787953143231E+36

Nth Root

y√n
2√n 4559.0009870585
3√n 274.94539962831
4√n 67.520374606917
5√n 29.076884710832

Divisors of 20784490

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20784489
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20784490 can be divided by 8 positive divisors. The sum of these divisors (counting 20784490) is 1, the average is 0.125.

Base conversion 20784490

Base System Value
2 Binary 1001111010010010101101010
3 Ternary 1110002221221221
4 Quaternary 1033102111222
5 Quinary 20310100430
6 Senary 2021252254
8 Octal 117222552
10 Decimal 20784490
12 Duodecimal 6b6408a
16 Hexadecimal 13d256a
20 Vigesimal 69i14a
36 Base36 cdhey

Cryptographic Hash Functions

md5 40e4eba817432ac5d42396d8c67d740e
sha1 27160dc7c397b7ca5cace146464d73cc2fd6b41d
sha256 b22c63101cb222c6a7876843735fa5171be69049ab7efec0be6310a553ddbcbd
sha512 73e51185281440f758d3ad7a47e9a20597032d7c8135ba56c494111ddce4119d11ed40cd84ca5306d9bacc257d7c6ee653876a8e980bd357ef47c5c6349f8132
ripemd-160 1cb3a424e5b418192a80de49662e8ad91c7fb563

20784490 as geometric shapes

Circle

Radius = n
Diameter 41568980
Circumference 130592802.18522
Area 1.3571523955454E+15

Sphere

Radius = n
Volume 3.7610293858251E+22
Surface area 5.4286095821814E+15
Circumference 130592802.18522

Square

Length = n
Perimeter 83137960
Area 431995024560100
Diagonal 29393707.645008

Cube

Length = n
Surface area 2591970147360600
Volume 8.9787962680192E+21
Space diagonal 35999792.689407

Equilateral Triangle

Length = n
Perimeter 62353470
Area 1.8705933278876E+14
Altitude 17999896.344704

Triangular Pyramid

Length = n
Surface area 1.8705933278876E+14
Volume 1.0581612880015E+21
Height 9797902.548336