20405980 (number)

20405980 is an even 8-digits composite number following 20405979 and preceding 20405981. In scientific notation, it is written as 2.0405980 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 6996288 positive integers (up to 20405980) that are relatively prime to 20405980.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand nine hundred eighty

Notation

Scientific notation 2.0405980 × 10^7
Engineering notation 2.0405980 × 10^6

Prime Factorization of 20405980

Prime Factorization 2 × 2 × 7 × 5 × 145757

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10202990
Product of the distinct prime numbers

The prime factorization of 20405980 is 2 × 2 × 7 × 5 × 145757. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 10, 67, 28, 440, 748, 1411, 7014, 96691, 40416, 957656, 792214, 9493501, 5565524, 96930194, 1865669, 471619807, 433922267, 728437664, 5358314217

Basic calculations (n = 20405980)

Multiplication

n×y
n×2 40811960
n×3 61217940
n×4 81623920
n×5 102029900

Division

n÷y
n÷2 10202990
n÷3 6801993.3333333
n÷3 5101495
n÷5 4081196

Exponentiation

ny
n2 416404019760400
n3 8.4971320991503E+21
n4 1.7339230767262E+29
n5 3.5382399625213E+36

Nth Root

y√n
2√n 4517.2978648745
3√n 273.26613788767
4√n 67.210846333568
5√n 28.970199860123

Divisors of 20405980

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145757, 291514, 583028, 728785, 1020299, 1457570, 2040598, 2915140, 4081196, 5101495, 10202990, 20405980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405980 can be divided by 24 positive divisors. The sum of these divisors (counting 20405980) is 1, the average is 0.041666666666667.

Base conversion 20405980

Base System Value
2 Binary 1001101110101111011011100
3 Ternary 1102101201202001
4 Quaternary 1031311323130
5 Quinary 20210442410
6 Senary 2005212044
8 Octal 115657334
10 Decimal 20405980
12 Duodecimal 6a01024
16 Hexadecimal 1375edc
20 Vigesimal 67aej0
36 Base36 c5dcs

Cryptographic Hash Functions

md5 cdd3d74b690e94d399cf8245216610c1
sha1 983b6182ef80051369e180717ff7c212eeb8be86
sha256 2b5e7051746063130078e80fd49cf597317c7a6af6d5a3446a205b2b5dded3c2
sha512 ebd2c9c4972d28201dec08e7c2e7519ae1e5aad074d4465cc96593cdb698b8cc641b373371e5ee00f02dbbdebf9923f4ecf84dcc1087094683bffee6aa668873
ripemd-160 44b054d15524b4c69106699ff49679584c67825b

20405980 as geometric shapes

Circle

Radius = n
Diameter 40811960
Circumference 128214553.7146
Area 1.3081718094045E+15

Sphere

Radius = n
Volume 3.5592703705697E+22
Surface area 5.2326872376181E+15
Circumference 128214553.7146

Square

Length = n
Perimeter 81623920
Area 416404019760400
Diagonal 28858413.669514

Cube

Length = n
Surface area 2498424118562400
Volume 8.4971320991503E+21
Space diagonal 35344194.138234

Equilateral Triangle

Length = n
Perimeter 61217940
Area 1.8030822967523E+14
Altitude 17672097.069117

Triangular Pyramid

Length = n
Surface area 1.8030822967523E+14
Volume 1.0013966213245E+21
Height 9619471.2231714