20402081 (number)

20402081 is an odd 8-digits composite number following 20402080 and preceding 20402082. In scientific notation, it is written as 2.0402081 × 10^7. The sum of its digits is 17. It has a total of 5 prime factors and 24 positive divisors. There are 16299360 positive integers (up to 20402081) that are relatively prime to 20402081.

Interesting facts

Basic properties

Name

Name twenty million four hundred two thousand eighty-one

Notation

Scientific notation 2.0402081 × 10^7
Engineering notation 2.0402081 × 10^6

Prime Factorization of 20402081

Prime Factorization 7 × 7 × 23 × 43 × 421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2914583
Product of the distinct prime numbers

The prime factorization of 20402081 is 7 × 7 × 23 × 43 × 421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 7, 76, 605, 813, 5471, 9270, 64027, 33809, 195954, 387395, 5917996, 990099, 61139325, 43983933, 314085447, 488566554, 795036463, 3215954196

Basic calculations (n = 20402081)

Multiplication

n×y
n×2 40804162
n×3 61206243
n×4 81608324
n×5 102010405

Division

n÷y
n÷2 10201040.5
n÷3 6800693.6666667
n÷3 5100520.25
n÷5 4080416.2

Exponentiation

ny
n2 416244909130561
n3 8.4922623519193E+21
n4 1.7325982437711E+29
n5 3.5348609709876E+36

Nth Root

y√n
2√n 4516.8662809519
3√n 273.24873232749
4√n 67.207635585191
5√n 28.969092699936

Divisors of 20402081

1, 7, 23, 43, 49, 161, 301, 421, 989, 1127, 2107, 2947, 6923, 9683, 18103, 20629, 48461, 67781, 126721, 416369, 474467, 887047, 2914583, 20402081

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 -20402080
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 20402081 can be divided by 24 positive divisors. The sum of these divisors (counting 20402081) is 1, the average is 0.041666666666667.

Base conversion 20402081

Base System Value
2 Binary 1001101110100111110100001
3 Ternary 1102101112101122
4 Quaternary 1031310332201
5 Quinary 20210331311
6 Senary 2005142025
8 Octal 115647641
10 Decimal 20402081
12 Duodecimal 69ba915
16 Hexadecimal 1374fa1
20 Vigesimal 67a541
36 Base36 c5ach

Cryptographic Hash Functions

md5 bc8674051b6655185711e378d5f53b9b
sha1 405a4e2712ebf7222e759e6dc8c94c57cb66b8c1
sha256 7323b031a9e41692ad0cd7d34ba0d9ae15f66a4d693b1b55861463c661536e63
sha512 0170e3996bba093c630fa40614431a313e0d3b534bdc95b7645ad755515f260716bb6d916322185e4feea37a4863676e66ef50be7c52832cddae0644f694bf9b
ripemd-160 6f55ca11936e8852ba59dc50c1204567e8b481bd

20402081 as geometric shapes

Circle

Radius = n
Diameter 40804162
Circumference 128190055.57509
Area 1.3076719486187E+15

Sphere

Radius = n
Volume 3.5572305356196E+22
Surface area 5.2306877944749E+15
Circumference 128190055.57509

Square

Length = n
Perimeter 81608324
Area 416244909130561
Diagonal 28852899.650834

Cube

Length = n
Surface area 2497469454783366
Volume 8.4922623519193E+21
Space diagonal 35337440.872136

Equilateral Triangle

Length = n
Perimeter 61206243
Area 1.8023933275151E+14
Altitude 17668720.436068

Triangular Pyramid

Length = n
Surface area 1.8023933275151E+14
Volume 1.0008227161096E+21
Height 9617633.2169448