20485440 (number)

20485440 is an even 8-digits composite number following 20485439 and preceding 20485441. In scientific notation, it is written as 2.0485440 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 28 positive divisors. There are 5460480 positive integers (up to 20485440) that are relatively prime to 20485440.

Interesting facts

Basic properties

Name

Name twenty million four hundred eighty-five thousand four hundred forty

Notation

Scientific notation 2.0485440 × 10^7
Engineering notation 2.0485440 × 10^6

Prime Factorization of 20485440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 135 × 2371

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 640170
Product of the distinct prime numbers

The prime factorization of 20485440 is 2 × 2 × 2 × 2 × 2 × 2 × 135 × 2371. Since it has a total of 8 prime factors.

Most popular turbo-numbers

3, 3, 65, 99, 178, 664, 5034, 5744, 38743, 68075, 680164, 959148, 6315541, 2301589, 14062177, 92626724, 97907719, 308271350, 3407379218, 6977660406

Basic calculations (n = 20485440)

Multiplication

n×y
n×2 40970880
n×3 61456320
n×4 81941760
n×5 102427200

Division

n÷y
n÷2 10242720
n÷3 6828480
n÷3 5121360
n÷5 4097088

Exponentiation

ny
n2 419653251993600
n3 8.5967815145198E+21
n4 1.761088519088E+29
n5 3.6076673192467E+36

Nth Root

y√n
2√n 4526.0844004503
3√n 273.62037398294
4√n 67.276180037591
5√n 28.992726540278

Divisors of 20485440

1, 2, 4, 8, 16, 32, 64, 135, 270, 540, 1080, 2160, 2371, 4320, 4742, 8640, 9484, 18968, 37936, 75872, 151744, 320085, 640170, 1280340, 2560680, 5121360, 10242720, 20485440

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20485439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20485440 can be divided by 28 positive divisors. The sum of these divisors (counting 20485440) is 1, the average is 0.035714285714286.

Base conversion 20485440

Base System Value
2 Binary 1001110001001010101000000
3 Ternary 1102112202202000
4 Quaternary 1032021111000
5 Quinary 20221013230
6 Senary 2011024000
8 Octal 116112500
10 Decimal 20485440
12 Duodecimal 6a3b000
16 Hexadecimal 1389540
20 Vigesimal 680dc0
36 Base36 c72o0

Cryptographic Hash Functions

md5 b964340bf1bf291e4918661759ff8e0f
sha1 e4ff74093115c3ab7be4105c8d75975e4a5695c2
sha256 5a56478e6e585e17b9a8807014a8cb3969bbae3f77928bfafe5faaee29c28fc7
sha512 3bef2e0b728f884396ab66029dcb2b7f6c8114707d6ffedc67be3a2f8f04c479a4515d0bb3dcfd096ded7384676cbca10b245e68b5e766c7f18c931f3a2e1843
ripemd-160 c1d5855cd63318350df9c2d2b39f7abf8b75ba99

20485440 as geometric shapes

Circle

Radius = n
Diameter 40970880
Circumference 128713815.61911
Area 1.3183795735182E+15

Sphere

Radius = n
Volume 3.6010114200709E+22
Surface area 5.2735182940726E+15
Circumference 128713815.61911

Square

Length = n
Perimeter 81941760
Area 419653251993600
Diagonal 28970787.07918

Cube

Length = n
Surface area 2517919511961600
Volume 8.5967815145198E+21
Space diagonal 35481822.895404

Equilateral Triangle

Length = n
Perimeter 61456320
Area 1.8171518850361E+14
Altitude 17740911.447702

Triangular Pyramid

Length = n
Surface area 1.8171518850361E+14
Volume 1.0131404175493E+21
Height 9656929.0263934