20081280 (number)

20081280 is an even 8-digits composite number following 20081279 and preceding 20081281. In scientific notation, it is written as 2.0081280 × 10^7. The sum of its digits is 21. It has a total of 10 prime factors and 64 positive divisors. There are 5354496 positive integers (up to 20081280) that are relatively prime to 20081280.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand two hundred eighty

Notation

Scientific notation 2.0081280 × 10^7
Engineering notation 2.0081280 × 10^6

Prime Factorization of 20081280

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 10459

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 313770
Product of the distinct prime numbers

The prime factorization of 20081280 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 10459. Since it has a total of 10 prime factors.

Most popular turbo-numbers

6, 8, 48, 78, 169, 319, 9293, 280, 91514, 98751, 443669, 297993, 236409, 1727532, 19380948, 60061706, 235680799, 278158919, 2382415480, 5968513199

Basic calculations (n = 20081280)

Multiplication

n×y
n×2 40162560
n×3 60243840
n×4 80325120
n×5 100406400

Division

n÷y
n÷2 10040640
n÷3 6693760
n÷3 5020320
n÷5 4016256

Exponentiation

ny
n2 403257806438400
n3 8.0979329232753E+21
n4 1.6261685845351E+29
n5 3.2655546673253E+36

Nth Root

y√n
2√n 4481.2141211953
3√n 271.80897775889
4√n 66.94187121074
5√n 28.877412616081

Divisors of 20081280

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10459, 20918, 31377, 41836, 52295, 62754, 83672, 104590, 125508, 156885, 167344, 209180, 251016, 313770, 334688, 418360, 502032, 627540, 669376, 836720, 1004064, 1255080, 1338752, 1673440, 2008128, 2510160, 3346880, 4016256, 5020320, 6693760, 10040640, 20081280

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20081279
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081280 can be divided by 64 positive divisors. The sum of these divisors (counting 20081280) is 1, the average is 0.015625.

Base conversion 20081280

Base System Value
2 Binary 1001100100110101010000000
3 Ternary 1101210020100010
4 Quaternary 1030212222000
5 Quinary 20120100110
6 Senary 1554224520
8 Octal 114465200
10 Decimal 20081280
12 Duodecimal 6885140
16 Hexadecimal 1326a80
20 Vigesimal 65a340
36 Base36 byetc

Cryptographic Hash Functions

md5 d3d80a50a70927807395b6143bc7e5c2
sha1 96e45b3d50b4022699638b1cd86583b71da6ab49
sha256 57e3c173bc701358ed611cb8631efc39631ce0039d1c25760751a7b40a3900c0
sha512 31ce6b7799bb25995319b3ba7de7f55119c8eb5f94822284564598c11b14ae05c44ebe3c9710312bb87a002789564e019b5c55737412dc439f05cb884fa9c68e
ripemd-160 d7de530784c375054902dcb4c5de1ec3a7e9d0a2

20081280 as geometric shapes

Circle

Radius = n
Diameter 40162560
Circumference 126174403.44536
Area 1.2668717622096E+15

Sphere

Radius = n
Volume 3.3920542108033E+22
Surface area 5.0674870488384E+15
Circumference 126174403.44536

Square

Length = n
Perimeter 80325120
Area 403257806438400
Diagonal 28399218.525812

Cube

Length = n
Surface area 2419546838630400
Volume 8.0979329232753E+21
Space diagonal 34781797.241017

Equilateral Triangle

Length = n
Perimeter 60243840
Area 1.7461575232502E+14
Altitude 17390898.620508

Triangular Pyramid

Length = n
Surface area 1.7461575232502E+14
Volume 9.5435054727363E+20
Height 9466406.1752705