20685744 (number)

20685744 is an even 8-digits composite number following 20685743 and preceding 20685745. In scientific notation, it is written as 2.0685744 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors. There are 6895200 positive integers (up to 20685744) that are relatively prime to 20685744.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0685744 × 10^7
Engineering notation 2.0685744 × 10^6

Prime Factorization of 20685744

Prime Factorization 2 × 2 × 2 × 2 × 9 × 143651

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2585718
Product of the distinct prime numbers

The prime factorization of 20685744 is 2 × 2 × 2 × 2 × 9 × 143651. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 4, 76, 83, 190, 918, 103, 2104, 99275, 50058, 849687, 253516, 4582155, 5462150, 48220698, 59203988, 216025928, 371127918, 2374905166, 6762952019

Basic calculations (n = 20685744)

Multiplication

n×y
n×2 41371488
n×3 62057232
n×4 82742976
n×5 103428720

Division

n÷y
n÷2 10342872
n÷3 6895248
n÷3 5171436
n÷5 4137148.8

Exponentiation

ny
n2 427900004833536
n3 8.8514299575853E+21
n4 1.8309841413654E+29
n5 3.7875269216344E+36

Nth Root

y√n
2√n 4548.1583085904
3√n 274.50929129369
4√n 67.440034909469
5√n 29.049203511245

Divisors of 20685744

1, 2, 4, 8, 9, 16, 18, 36, 72, 144, 143651, 287302, 574604, 1149208, 1292859, 2298416, 2585718, 5171436, 10342872, 20685744

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685743
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685744 can be divided by 20 positive divisors. The sum of these divisors (counting 20685744) is 1, the average is 0.05.

Base conversion 20685744

Base System Value
2 Binary 1001110111010001110110000
3 Ternary 1102220221111200
4 Quaternary 1032322032300
5 Quinary 20243420434
6 Senary 2015211200
8 Octal 116721660
10 Decimal 20685744
12 Duodecimal 6b16b00
16 Hexadecimal 13ba3b0
20 Vigesimal 695e74
36 Base36 cbd80

Cryptographic Hash Functions

md5 dca6343afd7dcd6ab20b87da2a485d11
sha1 a04397a952cf9a9067e37b2033f9feed9249446a
sha256 ac1d1f34026fa62b7f98abac037d73dfe9fe04f2f162397201a07fd34a01e89e
sha512 e6ef3656072ccdbf02eca5ec35ceffaf7f7525a9c2103a98c163d3fac0f8c5b86a56b0403bab7f7e9f240a005774228c66c5ecdeb2bbe54a06d8a1e6c279ec49
ripemd-160 af88e307e870c580e6b23e3cb429a396fde50467

20685744 as geometric shapes

Circle

Radius = n
Diameter 41371488
Circumference 129972362.76888
Area 1.3442875116561E+15

Sphere

Radius = n
Volume 3.7076783104686E+22
Surface area 5.3771500466243E+15
Circumference 129972362.76888

Square

Length = n
Perimeter 82742976
Area 427900004833536
Diagonal 29254059.712578

Cube

Length = n
Surface area 2567400029001216
Volume 8.8514299575853E+21
Space diagonal 35828759.600363

Equilateral Triangle

Length = n
Perimeter 62057232
Area 1.8528613723266E+14
Altitude 17914379.800182

Triangular Pyramid

Length = n
Surface area 1.8528613723266E+14
Volume 1.0431510243677E+21
Height 9751353.237526