20685021 (number)

20685021 is an odd 8-digits composite number following 20685020 and preceding 20685022. In scientific notation, it is written as 2.0685021 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 11544624 positive integers (up to 20685021) that are relatively prime to 20685021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0685021 × 10^7
Engineering notation 2.0685021 × 10^6

Prime Factorization of 20685021

Prime Factorization 3 × 7 × 43 × 22907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20685021
Product of the distinct prime numbers

The prime factorization of 20685021 is 3 × 7 × 43 × 22907. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20685021)

Multiplication

n×y
n×2 41370042
n×3 62055063
n×4 82740084
n×5 103425105

Division

n÷y
n÷2 10342510.5
n÷3 6895007
n÷3 5171255.25
n÷5 4137004.2

Exponentiation

ny
n2 427870093770441
n3 8.8505018749135E+21
n4 1.8307281714313E+29
n5 3.7868650671347E+36

Nth Root

y√n
2√n 4548.0788251744
3√n 274.50609307612
4√n 67.439445617342
5√n 29.049000445136

Divisors of 20685021

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685021 can be divided by 16 positive divisors. The sum of these divisors (counting 20685021) is 1, the average is 0.0625.

Base conversion 20685021

Base System Value
2 Binary 1001110111010000011011101
3 Ternary 1102220220111220
4 Quaternary 1032322003131
5 Quinary 20243410041
6 Senary 2015203553
8 Octal 116720335
10 Decimal 20685021
12 Duodecimal 6b165b9
16 Hexadecimal 13ba0dd
20 Vigesimal 695cb1
36 Base36 cbcnx

Cryptographic Hash Functions

md5 da33713cb114cf2840dcb9a214bccda2
sha1 31c25a13817b7253ce61db5b3a194154fa6ee098
sha256 c4449db9d596a946719fcd699eea734730264626d283143880c506f693ebea3b
sha512 6a6236d349b9d5aa746779ad898d154b02fd183e329c8e7d79bff902b2f57048ac395b15a812cce1b1de5a12dd9ad172bf49467e2a8d1d7c1d73cf8f7641b832
ripemd-160 c832cb5a154eac904f37ef3fb36c8219a8bd82c8

20685021 as geometric shapes

Circle

Radius = n
Diameter 41370042
Circumference 129967820.0259
Area 1.34419354328E+15

Sphere

Radius = n
Volume 3.7072895561081E+22
Surface area 5.37677417312E+15
Circumference 129967820.0259

Square

Length = n
Perimeter 82740084
Area 427870093770441
Diagonal 29253037.236172

Cube

Length = n
Surface area 2567220562622646
Volume 8.8505018749135E+21
Space diagonal 35827507.327629

Equilateral Triangle

Length = n
Perimeter 62055063
Area 1.8527318536242E+14
Altitude 17913753.663815

Triangular Pyramid

Length = n
Surface area 1.8527318536242E+14
Volume 1.0430416487759E+21
Height 9751012.4120574