20685216 (number)

20685216 is an even 8-digits composite number following 20685215 and preceding 20685217. In scientific notation, it is written as 2.0685216 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 24 positive divisors. There are 6895040 positive integers (up to 20685216) that are relatively prime to 20685216.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0685216 × 10^7
Engineering notation 2.0685216 × 10^6

Prime Factorization of 20685216

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 215471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1292826
Product of the distinct prime numbers

The prime factorization of 20685216 is 2 × 2 × 2 × 2 × 2 × 3 × 215471. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 4, 46, 49, 264, 916, 4202, 3232, 63615, 84964, 681372, 658607, 4515277, 4374187, 95392945, 86332610, 622177789, 460676810, 8775448972, 2697625095

Basic calculations (n = 20685216)

Multiplication

n×y
n×2 41370432
n×3 62055648
n×4 82740864
n×5 103426080

Division

n÷y
n÷2 10342608
n÷3 6895072
n÷3 5171304
n÷5 4137043.2

Exponentiation

ny
n2 427878160966656
n3 8.850752181278E+21
n4 1.8307972063221E+29
n5 3.7870435664969E+36

Nth Root

y√n
2√n 4548.1002627471
3√n 274.50695567326
4√n 67.439604556574
5√n 29.049055214562

Divisors of 20685216

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 215471, 430942, 646413, 861884, 1292826, 1723768, 2585652, 3447536, 5171304, 6895072, 10342608, 20685216

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20685215
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20685216 can be divided by 24 positive divisors. The sum of these divisors (counting 20685216) is 1, the average is 0.041666666666667.

Base conversion 20685216

Base System Value
2 Binary 1001110111010000110100000
3 Ternary 1102220220210010
4 Quaternary 1032322012200
5 Quinary 20243411331
6 Senary 2015204520
8 Octal 116720640
10 Decimal 20685216
12 Duodecimal 6b16740
16 Hexadecimal 13ba1a0
20 Vigesimal 695d0g
36 Base36 cbctc

Cryptographic Hash Functions

md5 3e647a6373c627811214483efbf66d7d
sha1 8a47daa25a83cd86bc96cdfd8b7de34f60ef1227
sha256 7c71b4a0dcaaab3a63e81940a595cea0a03d50b9844c8b54043a8b845444c4df
sha512 ecf67f1fdb462844280e20c4b2fd1a6dd36e051e93e511d64262cd6a5b7ab4cdc0d9e55fdef730be7c2abeb779edfc674088b61270fe82047eec61f58ff9740e
ripemd-160 2341db9a78536f78254c0216f0a94f5d8e694672

20685216 as geometric shapes

Circle

Radius = n
Diameter 41370432
Circumference 129969045.24704
Area 1.3442188871244E+15

Sphere

Radius = n
Volume 3.7073944041929E+22
Surface area 5.3768755484974E+15
Circumference 129969045.24704

Square

Length = n
Perimeter 82740864
Area 427878160966656
Diagonal 29253313.007817

Cube

Length = n
Surface area 2567268965799936
Volume 8.850752181278E+21
Space diagonal 35827845.077537

Equilateral Triangle

Length = n
Perimeter 62055648
Area 1.8527667856085E+14
Altitude 17913922.538768

Triangular Pyramid

Length = n
Surface area 1.8527667856085E+14
Volume 1.0430711476639E+21
Height 9751104.335939