20719985 (number)

20719985 is an odd 8-digits composite number following 20719984 and preceding 20719986. In scientific notation, it is written as 2.0719985 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 13909440 positive integers (up to 20719985) that are relatively prime to 20719985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0719985 × 10^7
Engineering notation 2.0719985 × 10^6

Prime Factorization of 20719985

Prime Factorization 11 × 13 × 5 × 28979

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20719985
Product of the distinct prime numbers

The prime factorization of 20719985 is 11 × 13 × 5 × 28979. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 14, 72, 240, 257, 1225, 3616, 25329, 68969, 282342, 850706, 2479567, 1673466, 76069335, 49100583, 457363534, 492415922, 9943038240, 9735603638

Basic calculations (n = 20719985)

Multiplication

n×y
n×2 41439970
n×3 62159955
n×4 82879940
n×5 103599925

Division

n÷y
n÷2 10359992.5
n÷3 6906661.6666667
n÷3 5179996.25
n÷5 4143997

Exponentiation

ny
n2 429317778400225
n3 8.895457928686E+21
n4 1.843137548505E+29
n5 3.8189782357961E+36

Nth Root

y√n
2√n 4551.9210230407
3√n 274.66067237863
4√n 67.467925883643
5√n 29.058814147822

Divisors of 20719985

1, 5, 11, 13, 55, 65, 143, 715, 28979, 144895, 318769, 376727, 1593845, 1883635, 4143997, 20719985

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 -20719984
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 20719985 can be divided by 16 positive divisors. The sum of these divisors (counting 20719985) is 1, the average is 0.0625.

Base conversion 20719985

Base System Value
2 Binary 1001111000010100101110001
3 Ternary 1102222200110212
4 Quaternary 1033002211301
5 Quinary 20301014420
6 Senary 2020033505
8 Octal 117024561
10 Decimal 20719985
12 Duodecimal 6b32895
16 Hexadecimal 13c2971
20 Vigesimal 699jj5
36 Base36 cc3n5

Cryptographic Hash Functions

md5 c120b4fafb0af1ae5de80eb68af8fb2c
sha1 b1a87455864fde61bd5e5fe30563f346508203d4
sha256 7a7b0872a6f4456e3c481fbe016a85079f526117edaa3b8f89e5731a98f9d6a9
sha512 24d16306c9adbca494cc317f7a806a658a34a64f2efa72580f342725c03013ab2c27308473a1c7654526818b3d1934483500137c91eb48cf3a03aec365e4c54b
ripemd-160 b86cbc8e5faf674480cdc37b43a85ceb164053bc

20719985 as geometric shapes

Circle

Radius = n
Diameter 41439970
Circumference 130187505.31698
Area 1.3487415786776E+15

Sphere

Radius = n
Volume 3.7261207038769E+22
Surface area 5.3949663147106E+15
Circumference 130187505.31698

Square

Length = n
Perimeter 82879940
Area 429317778400225
Diagonal 29302483.799167

Cube

Length = n
Surface area 2575906670401350
Volume 8.895457928686E+21
Space diagonal 35888066.752065

Equilateral Triangle

Length = n
Perimeter 62159955
Area 1.8590005119545E+14
Altitude 17944033.376033

Triangular Pyramid

Length = n
Surface area 1.8590005119545E+14
Volume 1.0483397705223E+21
Height 9767494.5997224