20943985 (number)

20943985 is an odd 8-digits composite number following 20943984 and preceding 20943986. In scientific notation, it is written as 2.0943985 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 15724800 positive integers (up to 20943985) that are relatively prime to 20943985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0943985 × 10^7
Engineering notation 2.0943985 × 10^6

Prime Factorization of 20943985

Prime Factorization 19 × 5 × 113 × 1951

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20943985
Product of the distinct prime numbers

The prime factorization of 20943985 is 19 × 5 × 113 × 1951. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 92, 25, 734, 103, 9206, 2238, 45301, 55113, 300257, 51868, 9081735, 1672379, 23225341, 21760617, 163631255, 8600234, 2661197733, 2981134451

Basic calculations (n = 20943985)

Multiplication

n×y
n×2 41887970
n×3 62831955
n×4 83775940
n×5 104719925

Division

n÷y
n÷2 10471992.5
n÷3 6981328.3333333
n÷3 5235996.25
n÷5 4188797

Exponentiation

ny
n2 438650507680225
n3 9.187089653097E+21
n4 1.9241426788812E+29
n5 4.0299215404347E+36

Nth Root

y√n
2√n 4576.4598763673
3√n 275.64689581523
4√n 67.649537148212
5√n 29.121374113746

Divisors of 20943985

1, 5, 19, 95, 113, 565, 1951, 2147, 9755, 10735, 37069, 185345, 220463, 1102315, 4188797, 20943985

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 -20943984
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 20943985 can be divided by 16 positive divisors. The sum of these divisors (counting 20943985) is 1, the average is 0.0625.

Base conversion 20943985

Base System Value
2 Binary 1001111111001010001110001
3 Ternary 1110102001202011
4 Quaternary 1033321101301
5 Quinary 20330201420
6 Senary 2024522521
8 Octal 117712161
10 Decimal 20943985
12 Duodecimal 7020441
16 Hexadecimal 13f9471
20 Vigesimal 6ahjj5
36 Base36 cgwhd

Cryptographic Hash Functions

md5 3661662f6a510ce2e61190d93136d509
sha1 140f781242e1d27f793311e5e8e24c0a0c69da73
sha256 d00f98e052ecf128232e02cd95e8f1552eda67e2cb0d0bf315bf05778d6dff0c
sha512 09a5ad6f72fb1ffbe612304c3d476b13aa36b3a291157f0ec97aaa71e43647226f8cbc762b45696f7d0fb0452708282c3ba0036615915844cefd5adc8de5b498
ripemd-160 0e843fb8741809c59474d648342d41889adae32f

20943985 as geometric shapes

Circle

Radius = n
Diameter 41887970
Circumference 131594938.82579
Area 1.3780612124216E+15

Sphere

Radius = n
Volume 3.8482791149387E+22
Surface area 5.5122448496865E+15
Circumference 131594938.82579

Square

Length = n
Perimeter 83775940
Area 438650507680225
Diagonal 29619267.637139

Cube

Length = n
Surface area 2631903046081350
Volume 9.187089653097E+21
Space diagonal 36276046.13296

Equilateral Triangle

Length = n
Perimeter 62831955
Area 1.8994124151701E+14
Altitude 18138023.06648

Triangular Pyramid

Length = n
Surface area 1.8994124151701E+14
Volume 1.0827088988456E+21
Height 9873089.2123796