20081784 (number)

20081784 is an even 8-digits composite number following 20081783 and preceding 20081785. In scientific notation, it is written as 2.0081784 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors. There are 6200064 positive integers (up to 20081784) that are relatively prime to 20081784.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081784 × 10^7
Engineering notation 2.0081784 × 10^6

Prime Factorization of 20081784

Prime Factorization 2 × 2 × 2 × 3 × 893 × 937

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5020446
Product of the distinct prime numbers

The prime factorization of 20081784 is 2 × 2 × 2 × 3 × 893 × 937. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081784)

Multiplication

n×y
n×2 40163568
n×3 60245352
n×4 80327136
n×5 100408920

Division

n÷y
n÷2 10040892
n÷3 6693928
n÷3 5020446
n÷5 4016356.8

Exponentiation

ny
n2 403278048622656
n3 8.0985426643817E+21
n4 1.626331845009E+29
n5 3.2659644823792E+36

Nth Root

y√n
2√n 4481.2703556023
3√n 271.81125169393
4√n 66.942291233586
5√n 28.877557567697

Divisors of 20081784

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 -20081783
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 20081784 can be divided by 32 positive divisors. The sum of these divisors (counting 20081784) is 1, the average is 0.03125.

Base conversion 20081784

Base System Value
2 Binary 1001100100110110001111000
3 Ternary 1101210021000210
4 Quaternary 1030212301320
5 Quinary 20120104114
6 Senary 1554231120
8 Octal 114466170
10 Decimal 20081784
12 Duodecimal 68854a0
16 Hexadecimal 1326c78
20 Vigesimal 65a494
36 Base36 byf7c

Cryptographic Hash Functions

md5 05dbc9c4c8987373b81f4d51910e1bfa
sha1 e0ac426afbbdd349d611326d4f733a5dad34c530
sha256 c8fdc80dca8315f2dd1a494a351d2fec8d87032b0f801432a663753f4bcdec63
sha512 a88d42211d2d9319dbad2575d60fc642ead3a8b5e6327cd7c3f9a43daf65ff74d20bf2bfc3e446114b4b1933dd143d270982f4e0644faddee71ee376cb0a1638
ripemd-160 8aca53dd5045efe3ec72ac04c0705a3eebb4cf19

20081784 as geometric shapes

Circle

Radius = n
Diameter 40163568
Circumference 126177570.17075
Area 1.266935354907E+15

Sphere

Radius = n
Volume 3.3923096185607E+22
Surface area 5.0677414196279E+15
Circumference 126177570.17075

Square

Length = n
Perimeter 80327136
Area 403278048622656
Diagonal 28399931.289447

Cube

Length = n
Surface area 2419668291735936
Volume 8.0985426643817E+21
Space diagonal 34782670.194624

Equilateral Triangle

Length = n
Perimeter 60245352
Area 1.7462451744792E+14
Altitude 17391335.097312

Triangular Pyramid

Length = n
Surface area 1.7462451744792E+14
Volume 9.5442240595214E+20
Height 9466643.763149