20451685 (number)

20451685 is an odd 8-digits composite number following 20451684 and preceding 20451686. In scientific notation, it is written as 2.0451685 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 16343040 positive integers (up to 20451685) that are relatively prime to 20451685.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0451685 × 10^7
Engineering notation 2.0451685 × 10^6

Prime Factorization of 20451685

Prime Factorization 5 × 1217 × 3361

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20451685
Product of the distinct prime numbers

The prime factorization of 20451685 is 5 × 1217 × 3361. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451685)

Multiplication

n×y
n×2 40903370
n×3 61355055
n×4 81806740
n×5 102258425

Division

n÷y
n÷2 10225842.5
n÷3 6817228.3333333
n÷3 5112921.25
n÷5 4090337

Exponentiation

ny
n2 418271419339225
n3 8.5543553128287E+21
n4 1.7495098023605E+29
n5 3.5780423382289E+36

Nth Root

y√n
2√n 4522.3539224612
3√n 273.4700048542
4√n 67.248449219749
5√n 28.983165650661

Divisors of 20451685

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20451684
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20451685 can be divided by 8 positive divisors. The sum of these divisors (counting 20451685) is 1, the average is 0.125.

Base conversion 20451685

Base System Value
2 Binary 1001110000001000101100101
3 Ternary 1102111001102211
4 Quaternary 1032001011211
5 Quinary 20213423220
6 Senary 2010203421
8 Octal 116010545
10 Decimal 20451685
12 Duodecimal 6a23571
16 Hexadecimal 1381165
20 Vigesimal 67g945
36 Base36 c6cmd

Cryptographic Hash Functions

md5 ee8c6c1bf092c20c3cc46ee592bbaee1
sha1 95b2f32a1880c7766ec2308155ca6afbe7464fd7
sha256 ddc322e908e6d1b9e85098d7b093e772d807aee85e2e4a6374bedda7bd1208b2
sha512 50a8c4656e5a5c89253a76523f1d4149c815c8591d5ecfe686f9a9b906dab3e8f387b6f7eda300962c234d884d55b70faae6195aa17c1925207f3c119bec29c4
ripemd-160 e013c665dbf95d39d3343e74b37025fa591d6ce5

20451685 as geometric shapes

Circle

Radius = n
Diameter 40903370
Circumference 128501726.69907
Area 1.3140384182027E+15

Sphere

Radius = n
Volume 3.5832399742639E+22
Surface area 5.2561536728107E+15
Circumference 128501726.69907

Square

Length = n
Perimeter 81806740
Area 418271419339225
Diagonal 28923050.300382

Cube

Length = n
Surface area 2509628516035350
Volume 8.5543553128287E+21
Space diagonal 35423357.520394

Equilateral Triangle

Length = n
Perimeter 61355055
Area 1.8111683741237E+14
Altitude 17711678.760197

Triangular Pyramid

Length = n
Surface area 1.8111683741237E+14
Volume 1.0081404417301E+21
Height 9641016.7667941