20455985 (number)

20455985 is an odd 8-digits composite number following 20455984 and preceding 20455986. In scientific notation, it is written as 2.0455985 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 14877040 positive integers (up to 20455985) that are relatively prime to 20455985.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-five thousand nine hundred eighty-five

Notation

Scientific notation 2.0455985 × 10^7
Engineering notation 2.0455985 × 10^6

Prime Factorization of 20455985

Prime Factorization 5 × 11 × 371927

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20455985
Product of the distinct prime numbers

The prime factorization of 20455985 is 5 × 11 × 371927. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20455985)

Multiplication

n×y
n×2 40911970
n×3 61367955
n×4 81823940
n×5 102279925

Division

n÷y
n÷2 10227992.5
n÷3 6818661.6666667
n÷3 5113996.25
n÷5 4091197

Exponentiation

ny
n2 418447322320225
n3 8.5597521486727E+21
n4 1.7509816155697E+29
n5 3.5818053663369E+36

Nth Root

y√n
2√n 4522.8293136045
3√n 273.48916934876
4√n 67.251983715014
5√n 28.98438429971

Divisors of 20455985

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 -20455984
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 20455985 can be divided by 8 positive divisors. The sum of these divisors (counting 20455985) is 1, the average is 0.125.

Base conversion 20455985

Base System Value
2 Binary 1001110000010001000110001
3 Ternary 1102111021100002
4 Quaternary 1032002020301
5 Quinary 20214042420
6 Senary 2010235345
8 Octal 116021061
10 Decimal 20455985
12 Duodecimal 6a25b55
16 Hexadecimal 1382231
20 Vigesimal 67gjj5
36 Base36 c6fxt

Cryptographic Hash Functions

md5 b4c6ad3bb66bd4474599327ad5ad81b3
sha1 70e7f612fcf652fb57fb6731589953f1dee94740
sha256 54ae8ea433d990e1274d3b3b53bf72802bf2aa6ca5cc08e9fafc15552b840287
sha512 26a8ceb118db7581fb021c774f79f5b878d2abb63140c8eca5b1766be40f21bce2d2dfd0d70ab63e0e9546889cc46215b01674e488b73d5b43980a7f684cf6f8
ripemd-160 0889c7068c6a05d1ba85fd4d36a51a2c0f3f2835

20455985 as geometric shapes

Circle

Radius = n
Diameter 40911970
Circumference 128528744.39589
Area 1.3145910337155E+15

Sphere

Radius = n
Volume 3.5855005955759E+22
Surface area 5.2583641348622E+15
Circumference 128528744.39589

Square

Length = n
Perimeter 81823940
Area 418447322320225
Diagonal 28929131.418701

Cube

Length = n
Surface area 2510683933921350
Volume 8.5597521486727E+21
Space diagonal 35430805.338867

Equilateral Triangle

Length = n
Perimeter 61367955
Area 1.8119300563744E+14
Altitude 17715402.669433

Triangular Pyramid

Length = n
Surface area 1.8119300563744E+14
Volume 1.0087764649338E+21
Height 9643043.8062335