20685768 (number)

20685768 is an even 8-digits composite number following 20685767 and preceding 20685769. In scientific notation, it is written as 2.0685768 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors. There are 6895248 positive integers (up to 20685768) that are relatively prime to 20685768.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand seven hundred sixty-eight

Notation

Scientific notation 2.0685768 × 10^7
Engineering notation 2.0685768 × 10^6

Prime Factorization of 20685768

Prime Factorization 2 × 2 × 2 × 3 × 861907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5171442
Product of the distinct prime numbers

The prime factorization of 20685768 is 2 × 2 × 2 × 3 × 861907. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 99, 47, 194, 541, 39, 7188, 63749, 69854, 953541, 101508, 6182676, 1261940, 17332787, 86194543, 971309299, 936664613, 7967660849, 6888892458

Basic calculations (n = 20685768)

Multiplication

n×y
n×2 41371536
n×3 62057304
n×4 82743072
n×5 103428840

Division

n÷y
n÷2 10342884
n÷3 6895256
n÷3 5171442
n÷5 4137153.6

Exponentiation

ny
n2 427900997749824
n3 8.8514607664214E+21
n4 1.8309926387529E+29
n5 3.7875488934951E+36

Nth Root

y√n
2√n 4548.1609470202
3√n 274.50939745731
4√n 67.440054470769
5√n 29.049210251931

Divisors of 20685768

1, 2, 3, 4, 6, 8, 12, 24, 861907, 1723814, 2585721, 3447628, 5171442, 6895256, 10342884, 20685768

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 -20685767
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 20685768 can be divided by 16 positive divisors. The sum of these divisors (counting 20685768) is 1, the average is 0.0625.

Base conversion 20685768

Base System Value
2 Binary 1001110111010001111001000
3 Ternary 1102220221112120
4 Quaternary 1032322033020
5 Quinary 20243421033
6 Senary 2015211240
8 Octal 116721710
10 Decimal 20685768
12 Duodecimal 6b16b20
16 Hexadecimal 13ba3c8
20 Vigesimal 695e88
36 Base36 cbd8o

Cryptographic Hash Functions

md5 1365d2042386bbf5f6fb70a3dd9b5c72
sha1 e9ec701ed372e26ca2b6fb9fa147b2b0b0d9f148
sha256 204bdbe6bad5c6d44bf9d897d189fd40a55a38cb175e4429f9c0ef361e2c01a0
sha512 417fbd5a1fe1c0f802271160df394405dd9a869fbd6eb3de0f321d07be4aaa7e07edd4a278e5acd20879b12741c9d009f3aea0d50fd73e3e10edf1633b7dab35
ripemd-160 55590c2f2811189eac4dddb2a82aee95549bf54d

20685768 as geometric shapes

Circle

Radius = n
Diameter 41371536
Circumference 129972513.56533
Area 1.3442906309946E+15

Sphere

Radius = n
Volume 3.7076912156437E+22
Surface area 5.3771625239784E+15
Circumference 129972513.56533

Square

Length = n
Perimeter 82743072
Area 427900997749824
Diagonal 29254093.653703

Cube

Length = n
Surface area 2567405986498944
Volume 8.8514607664214E+21
Space diagonal 35828801.169582

Equilateral Triangle

Length = n
Perimeter 62057304
Area 1.8528656717803E+14
Altitude 17914400.584791

Triangular Pyramid

Length = n
Surface area 1.8528656717803E+14
Volume 1.0431546552239E+21
Height 9751364.5512345