20201805 (number)

20201805 is an odd 8-digits composite number following 20201804 and preceding 20201806. In scientific notation, it is written as 2.0201805 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors. There are 9937728 positive integers (up to 20201805) that are relatively prime to 20201805.

Interesting facts

Basic properties

Name

Name twenty million two hundred one thousand eight hundred five

Notation

Scientific notation 2.0201805 × 10^7
Engineering notation 2.0201805 × 10^6

Prime Factorization of 20201805

Prime Factorization 9 × 27 × 5 × 13 × 1279

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20201805
Product of the distinct prime numbers

The prime factorization of 20201805 is 9 × 27 × 5 × 13 × 1279. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 1, 19, 40, 459, 500, 9332, 7601, 66611, 96248, 841705, 947082, 8339859, 5653420, 17894416, 64320181, 178733094, 461895022, 9532664436, 8139270560

Basic calculations (n = 20201805)

Multiplication

n×y
n×2 40403610
n×3 60605415
n×4 80807220
n×5 101009025

Division

n÷y
n÷2 10100902.5
n÷3 6733935
n÷3 5050451.25
n÷5 4040361

Exponentiation

ny
n2 408112925258025
n3 8.2446177340422E+21
n4 1.6655615976266E+29
n5 3.3647350610742E+36

Nth Root

y√n
2√n 4494.6418099777
3√n 272.35167979879
4√n 67.042089838979
5√n 28.9119933246

Divisors of 20201805

1, 5, 9, 13, 27, 45, 65, 117, 135, 243, 351, 585, 1215, 1279, 1755, 3159, 6395, 11511, 15795, 16627, 34533, 57555, 83135, 149643, 172665, 310797, 448929, 748215, 1553985, 2244645, 4040361, 20201805

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20201804
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20201805 can be divided by 32 positive divisors. The sum of these divisors (counting 20201805) is 1, the average is 0.03125.

Base conversion 20201805

Base System Value
2 Binary 1001101000100000101001101
3 Ternary 1102000100200000
4 Quaternary 1031010011031
5 Quinary 20132424210
6 Senary 2000554513
8 Octal 115040515
10 Decimal 20201805
12 Duodecimal 6922a39
16 Hexadecimal 134414d
20 Vigesimal 6654a5
36 Base36 c0zt9

Cryptographic Hash Functions

md5 ce4da06661217c236f5bc49874394aff
sha1 3d2016628c6dc01c8ab824844eadff302634bfee
sha256 5c54448f132d1cf2b82a1617b7074ff39463d4e62a21580dc57faf6cc2032a3d
sha512 bfbd8fc6d3cf9ff177567259525c6af52300326e4407767ff6b2f4a1dad5609e5fc9cb9eda3f437cf3c52e2371991c3141b80199ecbfe9494ee4697194b5a0c0
ripemd-160 d558a0492400f50b48c864544ac7a40e5b0a3036

20201805 as geometric shapes

Circle

Radius = n
Diameter 40403610
Circumference 126931684.35451
Area 1.2821245678257E+15

Sphere

Radius = n
Volume 3.4534974006564E+22
Surface area 5.1284982713026E+15
Circumference 126931684.35451

Square

Length = n
Perimeter 80807220
Area 408112925258025
Diagonal 28569666.615417

Cube

Length = n
Surface area 2448677551548150
Volume 8.2446177340422E+21
Space diagonal 34990552.664599

Equilateral Triangle

Length = n
Perimeter 60605415
Area 1.7671808044311E+14
Altitude 17495276.332299

Triangular Pyramid

Length = n
Surface area 1.7671808044311E+14
Volume 9.7163751800535E+20
Height 9523222.2051389