20409840 (number)

20409840 is an even 8-digits composite number following 20409839 and preceding 20409841. In scientific notation, it is written as 2.0409840 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 80 positive divisors. There are 4942080 positive integers (up to 20409840) that are relatively prime to 20409840.

Interesting facts

Basic properties

Name

Name twenty million four hundred nine thousand eight hundred forty

Notation

Scientific notation 2.0409840 × 10^7
Engineering notation 2.0409840 × 10^6

Prime Factorization of 20409840

Prime Factorization 2 × 2 × 2 × 2 × 33 × 15 × 3 × 859

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2551230
Product of the distinct prime numbers

The prime factorization of 20409840 is 2 × 2 × 2 × 2 × 33 × 15 × 3 × 859. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 8, 89, 50, 772, 486, 5705, 2515, 19591, 73402, 580039, 30367, 6686205, 4039712, 50464584, 41968541, 835674934, 524332164, 4047959352, 6103572140

Basic calculations (n = 20409840)

Multiplication

n×y
n×2 40819680
n×3 61229520
n×4 81639360
n×5 102049200

Division

n÷y
n÷2 10204920
n÷3 6803280
n÷3 5102460
n÷5 4081968

Exponentiation

ny
n2 416561568825600
n3 8.5019549698795E+21
n4 1.7352354062245E+29
n5 3.5415877003376E+36

Nth Root

y√n
2√n 4517.7250912378
3√n 273.28336716377
4√n 67.214024513027
5√n 28.971295779175

Divisors of 20409840

1, 2, 3, 4, 6, 8, 12, 15, 16, 24, 30, 33, 45, 48, 60, 66, 90, 99, 120, 132, 180, 198, 240, 264, 360, 396, 495, 528, 720, 792, 859, 990, 1485, 1584, 1718, 1980, 2577, 2970, 3436, 3960, 5154, 5940, 6872, 7920, 10308, 11880, 12885, 13744, 20616, 23760, 25770, 28347, 38655, 41232, 51540, 56694, 77310, 85041, 103080, 113388, 154620, 170082, 206160, 226776, 309240, 340164, 425205, 453552, 618480, 680328, 850410, 1275615, 1360656, 1700820, 2551230, 3401640, 5102460, 6803280, 10204920, 20409840

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20409839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20409840 can be divided by 80 positive divisors. The sum of these divisors (counting 20409840) is 1, the average is 0.0125.

Base conversion 20409840

Base System Value
2 Binary 1001101110110110111110000
3 Ternary 1102101221001000
4 Quaternary 1031312313300
5 Quinary 20211103330
6 Senary 2005242000
8 Octal 115666760
10 Decimal 20409840
12 Duodecimal 6a03300
16 Hexadecimal 1376df0
20 Vigesimal 67b4c0
36 Base36 c5gc0

Cryptographic Hash Functions

md5 1c043fdcf9e7c313f36523838c6ffabf
sha1 9e14ad241ff5a95a3ad9e2557dd5a5e590d2f1df
sha256 2e010c6adf271d97f9e35b239b9975421d6b9c404409a24e3f25657c102a5543
sha512 cbf5ede0db1ce80fd40af3fe361494c951a9045353226c77d5e5483ed6ab106b4be1d79b64942b7c75dc86277c2b7ce997ea20f6a27f1f8e3244867954fcc8fe
ripemd-160 4826f718ef431c74ae8ef63242296aa2eaedef8d

20409840 as geometric shapes

Circle

Radius = n
Diameter 40819680
Circumference 128238806.80989
Area 1.3086667643903E+15

Sphere

Radius = n
Volume 3.5612905699366E+22
Surface area 5.2346670575614E+15
Circumference 128238806.80989

Square

Length = n
Perimeter 81639360
Area 416561568825600
Diagonal 28863872.533865

Cube

Length = n
Surface area 2499369412953600
Volume 8.5019549698795E+21
Space diagonal 35350879.854352

Equilateral Triangle

Length = n
Perimeter 61229520
Area 1.8037645042163E+14
Altitude 17675439.927176

Triangular Pyramid

Length = n
Surface area 1.8037645042163E+14
Volume 1.0019650020907E+21
Height 9621290.8446216