20405982 (number)

20405982 is an even 8-digits composite number following 20405981 and preceding 20405983. In scientific notation, it is written as 2.0405982 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6708672 positive integers (up to 20405982) that are relatively prime to 20405982.

Interesting facts

Basic properties

Name

Name twenty million four hundred five thousand nine hundred eighty-two

Notation

Scientific notation 2.0405982 × 10^7
Engineering notation 2.0405982 × 10^6

Prime Factorization of 20405982

Prime Factorization 2 × 3 × 73 × 46589

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20405982
Product of the distinct prime numbers

The prime factorization of 20405982 is 2 × 3 × 73 × 46589. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20405982)

Multiplication

n×y
n×2 40811964
n×3 61217946
n×4 81623928
n×5 102029910

Division

n÷y
n÷2 10202991
n÷3 6801994
n÷3 5101495.5
n÷5 4081196.4

Exponentiation

ny
n2 416404101384324
n3 8.4971345975747E+21
n4 1.7339237564969E+29
n5 3.5382416964447E+36

Nth Root

y√n
2√n 4517.2980862458
3√n 273.26614681532
4√n 67.21084798041
5√n 28.970200428

Divisors of 20405982

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20405981
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20405982 can be divided by 16 positive divisors. The sum of these divisors (counting 20405982) is 1, the average is 0.0625.

Base conversion 20405982

Base System Value
2 Binary 1001101110101111011011110
3 Ternary 1102101201202010
4 Quaternary 1031311323132
5 Quinary 20210442412
6 Senary 2005212050
8 Octal 115657336
10 Decimal 20405982
12 Duodecimal 6a01026
16 Hexadecimal 1375ede
20 Vigesimal 67aej2
36 Base36 c5dcu

Cryptographic Hash Functions

md5 9dcd7f6a684fc435f6c5e4d39b417ba2
sha1 46a283bf3874b844b2cc135a3cc8b66111fd63dd
sha256 464c6719aafafaa447c683b722661600cabd7c541f071b320681b5a4b24e0566
sha512 047054e5974a232c40ca2d2d0d0024fa465421209c604c45bfeb73b58124e2860af18f87e11f4fc7cc4ade7a70216a22401d52c5f355ed220fcd1554ee9e4d09
ripemd-160 85fb1df01917f62b048b718ff75fb244e470db7c

20405982 as geometric shapes

Circle

Radius = n
Diameter 40811964
Circumference 128214566.28097
Area 1.3081720658337E+15

Sphere

Radius = n
Volume 3.5592714171072E+22
Surface area 5.2326882633346E+15
Circumference 128214566.28097

Square

Length = n
Perimeter 81623928
Area 416404101384324
Diagonal 28858416.497941

Cube

Length = n
Surface area 2498424608305944
Volume 8.4971345975747E+21
Space diagonal 35344197.602336

Equilateral Triangle

Length = n
Perimeter 61217946
Area 1.8030826501943E+14
Altitude 17672098.801168

Triangular Pyramid

Length = n
Surface area 1.8030826501943E+14
Volume 1.0013969157666E+21
Height 9619472.1659804