20045985 (number)

20045985 is an odd 8-digits composite number following 20045984 and preceding 20045986. In scientific notation, it is written as 2.0045985 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 10691184 positive integers (up to 20045985) that are relatively prime to 20045985.

Interesting facts

Basic properties

Name

Name twenty million forty-five thousand nine hundred eighty-five

Notation

Scientific notation 2.0045985 × 10^7
Engineering notation 2.0045985 × 10^6

Prime Factorization of 20045985

Prime Factorization 5 × 3 × 1336399

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20045985
Product of the distinct prime numbers

The prime factorization of 20045985 is 5 × 3 × 1336399. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20045985)

Multiplication

n×y
n×2 40091970
n×3 60137955
n×4 80183940
n×5 100229925

Division

n÷y
n÷2 10022992.5
n÷3 6681995
n÷3 5011496.25
n÷5 4009197

Exponentiation

ny
n2 401841514620225
n3 8.0553089744543E+21
n4 1.6147660287228E+29
n5 3.2369575590286E+36

Nth Root

y√n
2√n 4477.2742824178
3√n 271.64963990961
4√n 66.912437426967
5√n 28.867254442937

Divisors of 20045985

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 -20045984
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 20045985 can be divided by 8 positive divisors. The sum of these divisors (counting 20045985) is 1, the average is 0.125.

Base conversion 20045985

Base System Value
2 Binary 1001100011110000010100001
3 Ternary 1101201102220220
4 Quaternary 1030132002201
5 Quinary 20112432420
6 Senary 1553353253
8 Octal 114360241
10 Decimal 20045985
12 Duodecimal 6868829
16 Hexadecimal 131e0a1
20 Vigesimal 655ej5
36 Base36 bxnkx

Cryptographic Hash Functions

md5 c01f186acefd4e076f2cb00162445b76
sha1 fc5e3e69e5a0eaaa98c320dac16538bbf2ab062d
sha256 44741d411266b600ef5c898f12dc5dc525986275aa80d8c9d8b2f61035796b06
sha512 93c92cc9dd16818a51f28561fcc5f83b85ad5ccdd62aaa7b4f14ea252a95fd5ce8d975e7d92e81d29bb1091a6edc48b742edc3a88b8c1d6b835664ccd750f8da
ripemd-160 6f747e17ea1bb83eea6afc9f7bf05d4185a71a5b

20045985 as geometric shapes

Circle

Radius = n
Diameter 40091970
Circumference 125952638.41994
Area 1.2624223502383E+15

Sphere

Radius = n
Volume 3.3741999328722E+22
Surface area 5.0496894009532E+15
Circumference 125952638.41994

Square

Length = n
Perimeter 80183940
Area 401841514620225
Diagonal 28349303.858128

Cube

Length = n
Surface area 2411049087721350
Volume 8.0553089744543E+21
Space diagonal 34720664.507764

Equilateral Triangle

Length = n
Perimeter 60137955
Area 1.7400247997817E+14
Altitude 17360332.253882

Triangular Pyramid

Length = n
Surface area 1.7400247997817E+14
Volume 9.4932726673158E+20
Height 9449767.9527092