20783985 (number)

20783985 is an odd 8-digits composite number following 20783984 and preceding 20783986. In scientific notation, it is written as 2.0783985 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 11017088 positive integers (up to 20783985) that are relatively prime to 20783985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0783985 × 10^7
Engineering notation 2.0783985 × 10^6

Prime Factorization of 20783985

Prime Factorization 15 × 167 × 8297

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20783985
Product of the distinct prime numbers

The prime factorization of 20783985 is 15 × 167 × 8297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 6, 70, 19, 735, 744, 6355, 7086, 53249, 99475, 939821, 510342, 5048985, 7964409, 28881839, 94845670, 404703198, 632356247, 3233542042, 1554307639

Basic calculations (n = 20783985)

Multiplication

n×y
n×2 41567970
n×3 62351955
n×4 83135940
n×5 103919925

Division

n÷y
n÷2 10391992.5
n÷3 6927995
n÷3 5195996.25
n÷5 4156797

Exponentiation

ny
n2 431974032480225
n3 8.9781418114585E+21
n4 1.8660156473723E+29
n5 3.878324122475E+36

Nth Root

y√n
2√n 4558.9456017812
3√n 274.9431728308
4√n 67.519964468157
5√n 29.076743413456

Divisors of 20783985

1, 15, 167, 2505, 8297, 124455, 1385599, 20783985

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 -20783984
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 20783985 can be divided by 8 positive divisors. The sum of these divisors (counting 20783985) is 1, the average is 0.125.

Base conversion 20783985

Base System Value
2 Binary 1001111010010001101110001
3 Ternary 1110002221021020
4 Quaternary 1033102031301
5 Quinary 20310041420
6 Senary 2021250053
8 Octal 117221561
10 Decimal 20783985
12 Duodecimal 6b63929
16 Hexadecimal 13d2371
20 Vigesimal 69hjj5
36 Base36 cdh0x

Cryptographic Hash Functions

md5 0efade25171bf359d75f14730fe4d9b2
sha1 7fb70d3bb8e887d47c944779a84d225bef0aac5d
sha256 a05bd476020a581ca312d462c3f9f1f2a7dfbad8fa0a39d2c1874fb325ad1485
sha512 a2cdb7693c49b28dda2f588d6c599b2916a37735f001c5ede29ff4924dd20dadb3a56269905bb58c95fff99bfbc3e4cac3fe7113a23cb773c2992dc46addd73b
ripemd-160 864979e1fdd7f1873d0b70c319aee15b87be5209

20783985 as geometric shapes

Circle

Radius = n
Diameter 41567970
Circumference 130589629.17664
Area 1.3570864469814E+15

Sphere

Radius = n
Volume 3.7607552477021E+22
Surface area 5.4283457879257E+15
Circumference 130589629.17664

Square

Length = n
Perimeter 83135940
Area 431974032480225
Diagonal 29392993.467159

Cube

Length = n
Surface area 2591844194881350
Volume 8.9781418114585E+21
Space diagonal 35998918.003749

Equilateral Triangle

Length = n
Perimeter 62351955
Area 1.8705024295154E+14
Altitude 17999459.001875

Triangular Pyramid

Length = n
Surface area 1.8705024295154E+14
Volume 1.0580841595561E+21
Height 9797664.489053