20550981 (number)

20550981 is an odd 8-digits composite number following 20550980 and preceding 20550982. In scientific notation, it is written as 2.0550981 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 12295920 positive integers (up to 20550981) that are relatively prime to 20550981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0550981 × 10^7
Engineering notation 2.0550981 × 10^6

Prime Factorization of 20550981

Prime Factorization 3 × 11 × 79 × 7883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20550981
Product of the distinct prime numbers

The prime factorization of 20550981 is 3 × 11 × 79 × 7883. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 91, 8, 630, 407, 5857, 9773, 82642, 27424, 873778, 2030, 9730838, 1602069, 59345591, 28745242, 747047184, 770584344, 1318816262, 2737955575

Basic calculations (n = 20550981)

Multiplication

n×y
n×2 41101962
n×3 61652943
n×4 82203924
n×5 102754905

Division

n÷y
n÷2 10275490.5
n÷3 6850327
n÷3 5137745.25
n÷5 4110196.2

Exponentiation

ny
n2 422342820062361
n3 8.679559270588E+21
n4 1.7837345765823E+29
n5 3.6657495392385E+36

Nth Root

y√n
2√n 4533.3189828204
3√n 273.911869822
4√n 67.329926353891
5√n 29.011254676716

Divisors of 20550981

1, 3, 11, 33, 79, 237, 869, 2607, 7883, 23649, 86713, 260139, 622757, 1868271, 6850327, 20550981

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 -20550980
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 20550981 can be divided by 16 positive divisors. The sum of these divisors (counting 20550981) is 1, the average is 0.0625.

Base conversion 20550981

Base System Value
2 Binary 1001110011001010101000101
3 Ternary 1102200002122110
4 Quaternary 1032121111011
5 Quinary 20230112411
6 Senary 2012251233
8 Octal 116312505
10 Decimal 20550981
12 Duodecimal 6a70b19
16 Hexadecimal 1399545
20 Vigesimal 688h91
36 Base36 c8h8l

Cryptographic Hash Functions

md5 9b4271fe095b3d16a77fe7031a76233e
sha1 d9e5d67e4036a9dc8d8940ee5e73cfb1bd5fb10e
sha256 7c16887132b3a81d3bce1ec632a5d937b9a1aa6ce94db48e4ff349b3f95394f6
sha512 74d45277d23b2b83387cb4c0087718105cda47b80650c80bd8c1234a1a9131da4cfa5002d928c1fd27debe262448f7c22aa592eed7aeedf9a64ae19112807709
ripemd-160 40a3864da61770e66017df67e1a9df5df25368be

20550981 as geometric shapes

Circle

Radius = n
Diameter 41101962
Circumference 129125621.86733
Area 1.3268291008043E+15

Sphere

Radius = n
Volume 3.6356852854502E+22
Surface area 5.3073164032172E+15
Circumference 129125621.86733

Square

Length = n
Perimeter 82203924
Area 422342820062361
Diagonal 29063476.050272

Cube

Length = n
Surface area 2534056920374166
Volume 8.679559270588E+21
Space diagonal 35595343.237383

Equilateral Triangle

Length = n
Perimeter 61652943
Area 1.8287980563998E+14
Altitude 17797671.618691

Triangular Pyramid

Length = n
Surface area 1.8287980563998E+14
Volume 1.0228958696572E+21
Height 9687825.3500906