20784894 (number)

20784894 is an even 8-digits composite number following 20784893 and preceding 20784895. In scientific notation, it is written as 2.0784894 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 6370272 positive integers (up to 20784894) that are relatively prime to 20784894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0784894 × 10^7
Engineering notation 2.0784894 × 10^6

Prime Factorization of 20784894

Prime Factorization 2 × 3 × 13 × 607 × 439

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20784894
Product of the distinct prime numbers

The prime factorization of 20784894 is 2 × 3 × 13 × 607 × 439. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20784894)

Multiplication

n×y
n×2 41569788
n×3 62354682
n×4 83139576
n×5 103924470

Division

n÷y
n÷2 10392447
n÷3 6928298
n÷3 5196223.5
n÷5 4156978.8

Exponentiation

ny
n2 432011818591236
n3 8.9793198561661E+21
n4 1.8663421140251E+29
n5 3.8791723007747E+36

Nth Root

y√n
2√n 4559.0452947958
3√n 274.94718104034
4√n 67.520702712545
5√n 29.076997746755

Divisors of 20784894

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20784893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20784894 can be divided by 32 positive divisors. The sum of these divisors (counting 20784894) is 1, the average is 0.03125.

Base conversion 20784894

Base System Value
2 Binary 1001111010010011011111110
3 Ternary 1110002222111220
4 Quaternary 1033102123332
5 Quinary 20310104034
6 Senary 2021254210
8 Octal 117223376
10 Decimal 20784894
12 Duodecimal 6b64366
16 Hexadecimal 13d26fe
20 Vigesimal 69i24e
36 Base36 cdhq6

Cryptographic Hash Functions

md5 9b0a74d306e37d8b57f5709ee59eb8fe
sha1 4a1e4a520ea34a5ef1e12c1b10d1cd63e61cc028
sha256 2f892882c5eba1fde46809706580e1907dde8bbf8ea4c7e20c620b73dbd5ee56
sha512 b179fb282b278753cacbf87e960a6cde1c8604a87150a76633256e4c82610edf2a310a3202dc7b6828022004043b9b28f100e1f657c5ae22c1fc943af811a29f
ripemd-160 d58a75ac0937629a3ed4cb6b5f640ce9f49b0493

20784894 as geometric shapes

Circle

Radius = n
Diameter 41569788
Circumference 130595340.59209
Area 1.3572051555502E+15

Sphere

Radius = n
Volume 3.7612487059152E+22
Surface area 5.4288206222008E+15
Circumference 130595340.59209

Square

Length = n
Perimeter 83139576
Area 432011818591236
Diagonal 29394278.987287

Cube

Length = n
Surface area 2592070911547416
Volume 8.9793198561661E+21
Space diagonal 36000492.437934

Equilateral Triangle

Length = n
Perimeter 62354682
Area 1.8706660481756E+14
Altitude 18000246.218967

Triangular Pyramid

Length = n
Surface area 1.8706660481756E+14
Volume 1.0582229934563E+21
Height 9798092.9957624