20001805 (number)

20001805 is an odd 8-digits composite number following 20001804 and preceding 20001806. In scientific notation, it is written as 2.0001805 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 16001440 positive integers (up to 20001805) that are relatively prime to 20001805.

Interesting facts

Basic properties

Name

Name twenty million one thousand eight hundred five

Notation

Scientific notation 2.0001805 × 10^7
Engineering notation 2.0001805 × 10^6

Prime Factorization of 20001805

Prime Factorization 5 × 4000361

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20001805
Product of the distinct prime numbers

The prime factorization of 20001805 is 5 × 4000361. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20001805)

Multiplication

n×y
n×2 40003610
n×3 60005415
n×4 80007220
n×5 100009025

Division

n÷y
n÷2 10000902.5
n÷3 6667268.3333333
n÷3 5000451.25
n÷5 4000361

Exponentiation

ny
n2 400072203258025
n3 8.0021661954874E+21
n4 1.6005776781973E+29
n5 3.2014442606655E+36

Nth Root

y√n
2√n 4472.3377555815
3√n 271.44992728684
4√n 66.875539291893
5√n 28.85451891401

Divisors of 20001805

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20001804
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20001805 can be divided by 4 positive divisors. The sum of these divisors (counting 20001805) is 1, the average is 0.25.

Base conversion 20001805

Base System Value
2 Binary 1001100010011010000001101
3 Ternary 1101122012022121
4 Quaternary 1030103100031
5 Quinary 20110024210
6 Senary 1552412541
8 Octal 114232015
10 Decimal 20001805
12 Duodecimal 6847151
16 Hexadecimal 131340d
20 Vigesimal 6504a5
36 Base36 bwphp

Cryptographic Hash Functions

md5 45378ce8812737982b2972fca5cbec57
sha1 bf16f6a84cff596a71dc9d6ab3d0b417770e4c94
sha256 96300304cf9f7d13313714f7be1e4c633f5434305d9febfb0eed0c2b3e9839a7
sha512 4e86c9c87b055ed8ec838b176c860144a32da035294832f1225d2fdb42011db58c4bb527c0801a19403c14ca76b0a6c868c05bcac47727111851c13d61d23256
ripemd-160 6c4e7e975273a7cb6de9e9881bbb06c7e901ce85

20001805 as geometric shapes

Circle

Radius = n
Diameter 40003610
Circumference 125675047.29307
Area 1.2568638946609E+15

Sphere

Radius = n
Volume 3.351939537673E+22
Surface area 5.0274555786436E+15
Circumference 125675047.29307

Square

Length = n
Perimeter 80007220
Area 400072203258025
Diagonal 28286823.902942

Cube

Length = n
Surface area 2400433219548150
Volume 8.0021661954874E+21
Space diagonal 34644142.503085

Equilateral Triangle

Length = n
Perimeter 60005415
Area 1.7323634568473E+14
Altitude 17322071.251543

Triangular Pyramid

Length = n
Surface area 1.7323634568473E+14
Volume 9.4306433016848E+20
Height 9428941.3009807