20685615 (number)

20685615 is an odd 8-digits composite number following 20685614 and preceding 20685616. In scientific notation, it is written as 2.0685615 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 11005472 positive integers (up to 20685615) that are relatively prime to 20685615.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0685615 × 10^7
Engineering notation 2.0685615 × 10^6

Prime Factorization of 20685615

Prime Factorization 5 × 3 × 479 × 2879

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20685615
Product of the distinct prime numbers

The prime factorization of 20685615 is 5 × 3 × 479 × 2879. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20685615)

Multiplication

n×y
n×2 41371230
n×3 62056845
n×4 82742460
n×5 103428075

Division

n÷y
n÷2 10342807.5
n÷3 6895205
n÷3 5171403.75
n÷5 4137123

Exponentiation

ny
n2 427894667928225
n3 8.8512643613161E+21
n4 1.8309384684141E+29
n5 3.7874088246303E+36

Nth Root

y√n
2√n 4548.1441270039
3√n 274.50872066283
4√n 67.439929767193
5√n 29.049167279949

Divisors of 20685615

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 -20685614
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 20685615 can be divided by 16 positive divisors. The sum of these divisors (counting 20685615) is 1, the average is 0.0625.

Base conversion 20685615

Base System Value
2 Binary 1001110111010001100101111
3 Ternary 1102220221022220
4 Quaternary 1032322030233
5 Quinary 20243414430
6 Senary 2015210423
8 Octal 116721457
10 Decimal 20685615
12 Duodecimal 6b16a13
16 Hexadecimal 13ba32f
20 Vigesimal 695e0f
36 Base36 cbd4f

Cryptographic Hash Functions

md5 d17b49384a12ae796b5c6753e896578c
sha1 486a7598c5e3f91486d787b58e400112d979639f
sha256 3dc7533a51e75f0de918afc63d9a965747993b02607459ee8b433e98074ecb19
sha512 5ec324ffbffa25c8dab6b8756ca667750c382d6516082d3ea5c4955a9c9789536e9d1dea672bcdf4668433a4d1d1538f05d317675d820e0f0f4b51739a395c5c
ripemd-160 b564f2c353d6370c47654af59fdc85c327350429

20685615 as geometric shapes

Circle

Radius = n
Diameter 41371230
Circumference 129971552.23797
Area 1.3442707452736E+15

Sphere

Radius = n
Volume 3.7076089456656E+22
Surface area 5.3770829810942E+15
Circumference 129971552.23797

Square

Length = n
Perimeter 82742460
Area 427894667928225
Diagonal 29253877.279028

Cube

Length = n
Surface area 2567368007569350
Volume 8.8512643613161E+21
Space diagonal 35828536.165809

Equilateral Triangle

Length = n
Perimeter 62056845
Area 1.8528382628487E+14
Altitude 17914268.082904

Triangular Pyramid

Length = n
Surface area 1.8528382628487E+14
Volume 1.0431315086602E+21
Height 9751292.4263428