20685505 (number)

20685505 is an odd 8-digits composite number following 20685504 and preceding 20685506. In scientific notation, it is written as 2.0685505 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 16548400 positive integers (up to 20685505) that are relatively prime to 20685505.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand five hundred five

Notation

Scientific notation 2.0685505 × 10^7
Engineering notation 2.0685505 × 10^6

Prime Factorization of 20685505

Prime Factorization 5 × 4137101

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20685505
Product of the distinct prime numbers

The prime factorization of 20685505 is 5 × 4137101. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20685505)

Multiplication

n×y
n×2 41371010
n×3 62056515
n×4 82742020
n×5 103427525

Division

n÷y
n÷2 10342752.5
n÷3 6895168.3333333
n÷3 5171376.25
n÷5 4137101

Exponentiation

ny
n2 427890117105025
n3 8.8511231568266E+21
n4 1.8308995231615E+29
n5 3.7873081240855E+36

Nth Root

y√n
2√n 4548.1320341432
3√n 274.50823407649
4√n 67.4398401106
5√n 29.049136384902

Divisors of 20685505

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685504
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685505 can be divided by 4 positive divisors. The sum of these divisors (counting 20685505) is 1, the average is 0.25.

Base conversion 20685505

Base System Value
2 Binary 1001110111010001011000001
3 Ternary 1102220221011211
4 Quaternary 1032322023001
5 Quinary 20243414010
6 Senary 2015210121
8 Octal 116721301
10 Decimal 20685505
12 Duodecimal 6b16941
16 Hexadecimal 13ba2c1
20 Vigesimal 695df5
36 Base36 cbd1d

Cryptographic Hash Functions

md5 6373aaf8f7e7d4735dc27c4244898fec
sha1 3a6831599d77c80dfe84d996cc548f2e61b69ac0
sha256 d6d097ec504f8df781e4f78449b883f62e9e0254ff1c6ed8f1a55eeb6b33ae22
sha512 e47647d8ce9c8babad5ecc80d71540588a3b294b53365c7bd9581ad7476511988aff50813ea0021f87147474a44642dc3c506cc662c01d75a09a1167ed2ccbae
ripemd-160 63984b34406ad7a95bd19957f87a4045cdcf83b6

20685505 as geometric shapes

Circle

Radius = n
Diameter 41371010
Circumference 129970861.08759
Area 1.3442564484408E+15

Sphere

Radius = n
Volume 3.7075497980673E+22
Surface area 5.3770257937633E+15
Circumference 129970861.08759

Square

Length = n
Perimeter 82742020
Area 427890117105025
Diagonal 29253721.715536

Cube

Length = n
Surface area 2567340702630150
Volume 8.8511231568266E+21
Space diagonal 35828345.64022

Equilateral Triangle

Length = n
Perimeter 62056515
Area 1.8528185572062E+14
Altitude 17914172.82011

Triangular Pyramid

Length = n
Surface area 1.8528185572062E+14
Volume 1.0431148675516E+21
Height 9751240.5718455