20405680 (number)

20405680 is an even 8-digits composite number following 20405679 and preceding 20405681. In scientific notation, it is written as 2.0405680 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors. There are 8162240 positive integers (up to 20405680) that are relatively prime to 20405680.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand six hundred eighty

Notation

Scientific notation 2.0405680 × 10^7
Engineering notation 2.0405680 × 10^6

Prime Factorization of 20405680

Prime Factorization 2 × 2 × 2 × 2 × 5 × 255071

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2550710
Product of the distinct prime numbers

The prime factorization of 20405680 is 2 × 2 × 2 × 2 × 5 × 255071. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 1, 54, 87, 967, 441, 655, 4198, 56352, 21149, 383177, 984482, 125270, 3021006, 57561087, 84767540, 923652296, 269823448, 4075970568, 8960403949

Basic calculations (n = 20405680)

Multiplication

n×y
n×2 40811360
n×3 61217040
n×4 81622720
n×5 102028400

Division

n÷y
n÷2 10202840
n÷3 6801893.3333333
n÷3 5101420
n÷5 4081136

Exponentiation

ny
n2 416391776262400
n3 8.4967573410421E+21
n4 1.7338211133896E+29
n5 3.5379798817071E+36

Nth Root

y√n
2√n 4517.2646590608
3√n 273.26479873377
4√n 67.210599305919
5√n 28.970114678122

Divisors of 20405680

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 255071, 510142, 1020284, 1275355, 2040568, 2550710, 4081136, 5101420, 10202840, 20405680

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405679
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405680 can be divided by 20 positive divisors. The sum of these divisors (counting 20405680) is 1, the average is 0.05.

Base conversion 20405680

Base System Value
2 Binary 1001101110101110110110000
3 Ternary 1102101201022221
4 Quaternary 1031311312300
5 Quinary 20210440210
6 Senary 2005210424
8 Octal 115656660
10 Decimal 20405680
12 Duodecimal 6a00a14
16 Hexadecimal 1375db0
20 Vigesimal 67ae40
36 Base36 c5d4g

Cryptographic Hash Functions

md5 862caa8847a72dcc12a9ccc60c3a4d61
sha1 19c04ac7abe7cada79271bc62b1e1be1e7057232
sha256 6fa7bcfb996ce9276ede856b8f6b49d15cd312f8ad5d8f190702aad1acf1c3c5
sha512 395e6b156c49a4cba3bf9eb01b829dffd23359f412f9f09be3472c89dfbd21ae981cacb62adb1d642dde6815bd3d4d65c2344b33ad955eec544161763af15680
ripemd-160 d063b0eb33c86b08a5162256f6c304f5a640b537

20405680 as geometric shapes

Circle

Radius = n
Diameter 40811360
Circumference 128212668.75901
Area 1.3081333453212E+15

Sphere

Radius = n
Volume 3.5591133922604E+22
Surface area 5.2325333812846E+15
Circumference 128212668.75901

Square

Length = n
Perimeter 81622720
Area 416391776262400
Diagonal 28857989.405445

Cube

Length = n
Surface area 2498350657574400
Volume 8.4967573410421E+21
Space diagonal 35343674.522992

Equilateral Triangle

Length = n
Perimeter 61217040
Area 1.8030292808508E+14
Altitude 17671837.261496

Triangular Pyramid

Length = n
Surface area 1.8030292808508E+14
Volume 1.0013524556579E+21
Height 9619329.8018151