20685215 (number)

20685215 is an odd 8-digits composite number following 20685214 and preceding 20685216. In scientific notation, it is written as 2.0685215 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 15859200 positive integers (up to 20685215) that are relatively prime to 20685215.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0685215 × 10^7
Engineering notation 2.0685215 × 10^6

Prime Factorization of 20685215

Prime Factorization 5 × 31 × 113 × 1181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20685215
Product of the distinct prime numbers

The prime factorization of 20685215 is 5 × 31 × 113 × 1181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 14, 20, 696, 560, 1659, 442, 24302, 89111, 475511, 748786, 1209842, 8599306, 69511695, 17123864, 73319607, 461752426, 3401925171, 1444265915

Basic calculations (n = 20685215)

Multiplication

n×y
n×2 41370430
n×3 62055645
n×4 82740860
n×5 103426075

Division

n÷y
n÷2 10342607.5
n÷3 6895071.6666667
n÷3 5171303.75
n÷5 4137043

Exponentiation

ny
n2 427878119596225
n3 8.8507508976436E+21
n4 1.830796852292E+29
n5 3.7870426510984E+36

Nth Root

y√n
2√n 4548.1001528111
3√n 274.5069512497
4√n 67.439603741504
5√n 29.049054933695

Divisors of 20685215

1, 5, 31, 113, 155, 565, 1181, 3503, 5905, 17515, 36611, 133453, 183055, 667265, 4137043, 20685215

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 -20685214
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 20685215 can be divided by 16 positive divisors. The sum of these divisors (counting 20685215) is 1, the average is 0.0625.

Base conversion 20685215

Base System Value
2 Binary 1001110111010000110011111
3 Ternary 1102220220210002
4 Quaternary 1032322012133
5 Quinary 20243411330
6 Senary 2015204515
8 Octal 116720637
10 Decimal 20685215
12 Duodecimal 6b1673b
16 Hexadecimal 13ba19f
20 Vigesimal 695d0f
36 Base36 cbctb

Cryptographic Hash Functions

md5 0b55933393f3a3637d89af7ad9e21e95
sha1 e5add0328707a17be790fc81ae587e10a15bf7ad
sha256 a050a995439c3a78a5c8989739116dae8ccc30340d1c8be7aac5ae4d761e56df
sha512 6d53706bc93f7c602be00fd192d97f71e6ef5f15a5c3ca30b88612b18bbd6d9774c8729ab4bd16750c0513676632377576d165ecdef08d4ba9123584f4bc802b
ripemd-160 fe86531d9b429a4bef4730e3500ef8c8b012d473

20685215 as geometric shapes

Circle

Radius = n
Diameter 41370430
Circumference 129969038.96385
Area 1.3442187571553E+15

Sphere

Radius = n
Volume 3.7073938665054E+22
Surface area 5.3768750286213E+15
Circumference 129969038.96385

Square

Length = n
Perimeter 82740860
Area 427878119596225
Diagonal 29253311.593603

Cube

Length = n
Surface area 2567268717577350
Volume 8.8507508976436E+21
Space diagonal 35827843.345486

Equilateral Triangle

Length = n
Perimeter 62055645
Area 1.8527666064692E+14
Altitude 17913921.672743

Triangular Pyramid

Length = n
Surface area 1.8527666064692E+14
Volume 1.0430709963861E+21
Height 9751103.8645345