20081555 (number)

20081555 is an odd 8-digits composite number following 20081554 and preceding 20081556. In scientific notation, it is written as 2.0081555 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 14753280 positive integers (up to 20081555) that are relatively prime to 20081555.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0081555 × 10^7
Engineering notation 2.0081555 × 10^6

Prime Factorization of 20081555

Prime Factorization 5 × 13 × 227 × 1361

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20081555
Product of the distinct prime numbers

The prime factorization of 20081555 is 5 × 13 × 227 × 1361. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 88, 30, 349, 282, 5565, 3704, 77389, 87863, 452728, 29042, 8404010, 6567895, 80712045, 51666757, 485792007, 316430722, 1825006531, 3039274598

Basic calculations (n = 20081555)

Multiplication

n×y
n×2 40163110
n×3 60244665
n×4 80326220
n×5 100407775

Division

n÷y
n÷2 10040777.5
n÷3 6693851.6666667
n÷3 5020388.75
n÷5 4016311

Exponentiation

ny
n2 403268851218025
n3 8.0982656155216E+21
n4 1.6262576636271E+29
n5 3.2657782716298E+36

Nth Root

y√n
2√n 4481.244804739
3√n 271.81021850197
4√n 66.942100390852
5√n 28.877491707105

Divisors of 20081555

1, 5, 13, 65, 227, 1135, 1361, 2951, 6805, 14755, 17693, 88465, 308947, 1544735, 4016311, 20081555

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 -20081554
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 20081555 can be divided by 16 positive divisors. The sum of these divisors (counting 20081555) is 1, the average is 0.0625.

Base conversion 20081555

Base System Value
2 Binary 1001100100110101110010011
3 Ternary 1101210020201022
4 Quaternary 1030212232103
5 Quinary 20120102210
6 Senary 1554230055
8 Octal 114465623
10 Decimal 20081555
12 Duodecimal 688532b
16 Hexadecimal 1326b93
20 Vigesimal 65a3hf
36 Base36 byf0z

Cryptographic Hash Functions

md5 e2fa09350c47552b5e8162d8051ec774
sha1 f985f8ce7b6270a768bd7452cdbee0eb9e03bbc4
sha256 9afffb63c273607820180e33c3827b5ef91879fa6b712bc8395ae8c053a7d489
sha512 fbd271c56d7683ac85fc0c657ca8b331c3ad886b6becbf02c5aa71cbf2bbd14efacd11e3ae6a3ca52345056053ac3282e005919282e7ef29f574350ad12944fd
ripemd-160 4b1df81f3e35f838de09b99c1f6463c3d610693d

20081555 as geometric shapes

Circle

Radius = n
Diameter 40163110
Circumference 126176131.32132
Area 1.2669064604081E+15

Sphere

Radius = n
Volume 3.3921935686055E+22
Surface area 5.0676258416326E+15
Circumference 126176131.32132

Square

Length = n
Perimeter 80326220
Area 403268851218025
Diagonal 28399607.434541

Cube

Length = n
Surface area 2419613107308150
Volume 8.0982656155216E+21
Space diagonal 34782273.554989

Equilateral Triangle

Length = n
Perimeter 60244665
Area 1.7462053485489E+14
Altitude 17391136.777494

Triangular Pyramid

Length = n
Surface area 1.7462053485489E+14
Volume 9.5438975543086E+20
Height 9466535.8115137