20081540 (number)

20081540 is an even 8-digits composite number following 20081539 and preceding 20081541. In scientific notation, it is written as 2.0081540 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 8032608 positive integers (up to 20081540) that are relatively prime to 20081540.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand five hundred forty

Notation

Scientific notation 2.0081540 × 10^7
Engineering notation 2.0081540 × 10^6

Prime Factorization of 20081540

Prime Factorization 2 × 2 × 5 × 1004077

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10040770
Product of the distinct prime numbers

The prime factorization of 20081540 is 2 × 2 × 5 × 1004077. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 41, 19, 401, 406, 4913, 7508, 5616, 38795, 506296, 538009, 3106785, 5276348, 77497097, 17478743, 952195144, 441515762, 1283681894, 3826332881

Basic calculations (n = 20081540)

Multiplication

n×y
n×2 40163080
n×3 60244620
n×4 80326160
n×5 100407700

Division

n÷y
n÷2 10040770
n÷3 6693846.6666667
n÷3 5020385
n÷5 4016308

Exponentiation

ny
n2 403268248771600
n3 8.0982474684368E+21
n4 1.6262528046731E+29
n5 3.2657660747156E+36

Nth Root

y√n
2√n 4481.2431310965
3√n 271.81015082537
4√n 66.94208789018
5√n 28.877487393072

Divisors of 20081540

1, 2, 4, 5, 10, 20, 1004077, 2008154, 4016308, 5020385, 10040770, 20081540

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20081539
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081540 can be divided by 12 positive divisors. The sum of these divisors (counting 20081540) is 1, the average is 0.083333333333333.

Base conversion 20081540

Base System Value
2 Binary 1001100100110101110000100
3 Ternary 1101210020200202
4 Quaternary 1030212232010
5 Quinary 20120102130
6 Senary 1554230032
8 Octal 114465604
10 Decimal 20081540
12 Duodecimal 6885318
16 Hexadecimal 1326b84
20 Vigesimal 65a3h0
36 Base36 byf0k

Cryptographic Hash Functions

md5 daf9c17c296b9bacc7ab6e08ac5018d5
sha1 80328382cd6a51a3191ed7e07a71cca152a21251
sha256 461d35866ba15fa123183a77dda5607b8f74d9516ec126b82b7b3d90575a3fc9
sha512 c7ed6af552901747cf33a9db0f71e4b7a746e9f23f73c8d0731d6347ba4157c6904b7683b8392e567c4c507243faa169d863ef64edd47a93106211da41db86e6
ripemd-160 7158b86712a1281fb4b3758d8059ebe5c59fbabf

20081540 as geometric shapes

Circle

Radius = n
Diameter 40163080
Circumference 126176037.07354
Area 1.2669045677669E+15

Sphere

Radius = n
Volume 3.3921859671724E+22
Surface area 5.0676182710675E+15
Circumference 126176037.07354

Square

Length = n
Perimeter 80326160
Area 403268248771600
Diagonal 28399586.221338

Cube

Length = n
Surface area 2419609492629600
Volume 8.0982474684368E+21
Space diagonal 34782247.574227

Equilateral Triangle

Length = n
Perimeter 60244620
Area 1.7462027398793E+14
Altitude 17391123.787113

Triangular Pyramid

Length = n
Surface area 1.7462027398793E+14
Volume 9.5438761677641E+20
Height 9466528.7404459