20145730 (number)

20145730 is an even 8-digits composite number following 20145729 and preceding 20145731. In scientific notation, it is written as 2.0145730 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 32 positive divisors. There are 7291200 positive integers (up to 20145730) that are relatively prime to 20145730.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand seven hundred thirty

Notation

Scientific notation 2.0145730 × 10^7
Engineering notation 2.0145730 × 10^6

Prime Factorization of 20145730

Prime Factorization 2 × 5 × 11 × 373 × 491

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20145730
Product of the distinct prime numbers

The prime factorization of 20145730 is 2 × 5 × 11 × 373 × 491. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 1, 96, 43, 543, 118, 8155, 4255, 61882, 29642, 156820, 820368, 2493100, 4889761, 62462749, 48015531, 146788451, 220889775, 2814618965, 767433322

Basic calculations (n = 20145730)

Multiplication

n×y
n×2 40291460
n×3 60437190
n×4 80582920
n×5 100728650

Division

n÷y
n÷2 10072865
n÷3 6715243.3333333
n÷3 5036432.5
n÷5 4029146

Exponentiation

ny
n2 405850437232900
n3 8.176153328876E+21
n4 1.6471457740214E+29
n5 3.3182954034075E+36

Nth Root

y√n
2√n 4488.3994920239
3√n 272.09945361134
4√n 66.99551844731
5√n 28.89592502687

Divisors of 20145730

1, 2, 5, 10, 11, 22, 55, 110, 373, 491, 746, 982, 1865, 2455, 3730, 4103, 4910, 5401, 8206, 10802, 20515, 27005, 41030, 54010, 183143, 366286, 915715, 1831430, 2014573, 4029146, 10072865, 20145730

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 -20145729
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 20145730 can be divided by 32 positive divisors. The sum of these divisors (counting 20145730) is 1, the average is 0.03125.

Base conversion 20145730

Base System Value
2 Binary 1001100110110011001000010
3 Ternary 1101220111202011
4 Quaternary 1030312121002
5 Quinary 20124130410
6 Senary 1555443134
8 Octal 114663102
10 Decimal 20145730
12 Duodecimal 68b64aa
16 Hexadecimal 1336642
20 Vigesimal 65i46a
36 Base36 bzsjm

Cryptographic Hash Functions

md5 8ea649f1bb876cf898478b30583430fc
sha1 e62b6e98bfffa387b8e18b163c6671a42045a2d3
sha256 a34c55354e80bbfe9ce7446ff3f28767ec08a1b95efff80df3f7dace4dea537c
sha512 180aa1fee2d42052340ad480fd594fc4f3933e6eee01b68d4f481ca424c66af27da09979c87d6ab43228f9154b0b3d26859f81c51e62223d6dc5f01facc54230
ripemd-160 c73465b156e84f9134c6cb7ca33e7122365fdb8c

20145730 as geometric shapes

Circle

Radius = n
Diameter 40291460
Circumference 126579354.73841
Area 1.2750167520671E+15

Sphere

Radius = n
Volume 3.4248190976827E+22
Surface area 5.1000670082683E+15
Circumference 126579354.73841

Square

Length = n
Perimeter 80582920
Area 405850437232900
Diagonal 28490364.589907

Cube

Length = n
Surface area 2435102623397400
Volume 8.176153328876E+21
Space diagonal 34893427.915565

Equilateral Triangle

Length = n
Perimeter 60437190
Area 1.7573839439036E+14
Altitude 17446713.957782

Triangular Pyramid

Length = n
Surface area 1.7573839439036E+14
Volume 9.6356891047819E+20
Height 9496788.1966355