20105855 (number)

20105855 is an odd 8-digits composite number following 20105854 and preceding 20105856. In scientific notation, it is written as 2.0105855 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 12533280 positive integers (up to 20105855) that are relatively prime to 20105855.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand eight hundred fifty-five

Notation

Scientific notation 2.0105855 × 10^7
Engineering notation 2.0105855 × 10^6

Prime Factorization of 20105855

Prime Factorization 55 × 7 × 52223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20105855
Product of the distinct prime numbers

The prime factorization of 20105855 is 55 × 7 × 52223. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105855)

Multiplication

n×y
n×2 40211710
n×3 60317565
n×4 80423420
n×5 100529275

Division

n÷y
n÷2 10052927.5
n÷3 6701951.6666667
n÷3 5026463.75
n÷5 4021171

Exponentiation

ny
n2 404245405281025
n3 8.1276995029965E+21
n4 1.6341434769082E+29
n5 3.2855851795912E+36

Nth Root

y√n
2√n 4483.9552852365
3√n 271.9198103794
4√n 66.962342292041
5√n 28.884477059011

Divisors of 20105855

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20105854
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20105855 can be divided by 8 positive divisors. The sum of these divisors (counting 20105855) is 1, the average is 0.125.

Base conversion 20105855

Base System Value
2 Binary 1001100101100101001111111
3 Ternary 1101211111001022
4 Quaternary 1030230221333
5 Quinary 20121341410
6 Senary 1554534355
8 Octal 114545177
10 Decimal 20105855
12 Duodecimal 68973bb
16 Hexadecimal 132ca7f
20 Vigesimal 65d4cf
36 Base36 byxrz

Cryptographic Hash Functions

md5 20da9b56ada556e7abdefee0c64cedbc
sha1 51d1aa0ff07f8ebebb44d43c9b1cd57dcd0e44f2
sha256 41c021e15ce16a2b1097f05257fb90c66f7ff1c5736b910b55df783b18faccf2
sha512 51fe3655a66586eeda971f646c8894e731937cbb774d6a2a10fdc4c6f05cd3f3bc9ee6c31fb2d0892006849b184545cdf1aa63e2d0d8121c2030aee05a83dd19
ripemd-160 e7b830abf8856f275a0cbf36244974b5fa0526a9

20105855 as geometric shapes

Circle

Radius = n
Diameter 40211710
Circumference 126328812.72428
Area 1.2699743954783E+15

Sphere

Radius = n
Volume 3.4045228065599E+22
Surface area 5.0798975819132E+15
Circumference 126328812.72428

Square

Length = n
Perimeter 80423420
Area 404245405281025
Diagonal 28433972.824107

Cube

Length = n
Surface area 2425472431686150
Volume 8.1276995029965E+21
Space diagonal 34824362.389613

Equilateral Triangle

Length = n
Perimeter 60317565
Area 1.7504339516825E+14
Altitude 17412181.194806

Triangular Pyramid

Length = n
Surface area 1.7504339516825E+14
Volume 9.578585723359E+20
Height 9477990.941369