20145820 (number)

20145820 is an even 8-digits composite number following 20145819 and preceding 20145821. In scientific notation, it is written as 2.0145820 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 24 positive divisors. There are 8020416 positive integers (up to 20145820) that are relatively prime to 20145820.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0145820 × 10^7
Engineering notation 2.0145820 × 10^6

Prime Factorization of 20145820

Prime Factorization 2 × 2 × 5 × 223 × 4517

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10072910
Product of the distinct prime numbers

The prime factorization of 20145820 is 2 × 2 × 5 × 223 × 4517. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 5, 25, 11, 43, 956, 3006, 5780, 33011, 68600, 676945, 704050, 1175508, 5792730, 8542897, 81404566, 700874196, 545194120, 4001594364, 3297600799

Basic calculations (n = 20145820)

Multiplication

n×y
n×2 40291640
n×3 60437460
n×4 80583280
n×5 100729100

Division

n÷y
n÷2 10072910
n÷3 6715273.3333333
n÷3 5036455
n÷5 4029164

Exponentiation

ny
n2 405854063472400
n3 8.1762629089835E+21
n4 1.6471752083706E+29
n5 3.3183695256296E+36

Nth Root

y√n
2√n 4488.4095178582
3√n 272.09985880745
4√n 66.995593271932
5√n 28.895950845032

Divisors of 20145820

1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 4517, 9034, 18068, 22585, 45170, 90340, 1007291, 2014582, 4029164, 5036455, 10072910, 20145820

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20145819
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145820 can be divided by 24 positive divisors. The sum of these divisors (counting 20145820) is 1, the average is 0.041666666666667.

Base conversion 20145820

Base System Value
2 Binary 1001100110110011010011100
3 Ternary 1101220111212111
4 Quaternary 1030312122130
5 Quinary 20124131240
6 Senary 1555443404
8 Octal 114663234
10 Decimal 20145820
12 Duodecimal 68b6564
16 Hexadecimal 133669c
20 Vigesimal 65i4b0
36 Base36 bzsm4

Cryptographic Hash Functions

md5 80eea1b4beb1411193a696426144a1ee
sha1 526094528b06f9fc321ba4880266696af3931ab5
sha256 262c73525443df68be3eebbe3218cf13d726f6d5c511ba52d4900e75a03ada39
sha512 4121ee967fe20cc100c0fd494d01944eb6e8b3badacc457a4e8f9316c7b441bfbe50adbdb9c681fddc0ebc10390e9bf162a37df16a08f2f9db00189955dea6c0
ripemd-160 fbe7687958f3caa1c1c981848dbe48685feaf6b0

20145820 as geometric shapes

Circle

Radius = n
Diameter 40291640
Circumference 126579920.22508
Area 1.2750281442345E+15

Sphere

Radius = n
Volume 3.4248649984909E+22
Surface area 5.1001125769378E+15
Circumference 126579920.22508

Square

Length = n
Perimeter 80583280
Area 405854063472400
Diagonal 28490491.869127

Cube

Length = n
Surface area 2435124380834400
Volume 8.1762629089835E+21
Space diagonal 34893583.800137

Equilateral Triangle

Length = n
Perimeter 60437460
Area 1.7573996459812E+14
Altitude 17446791.900069

Triangular Pyramid

Length = n
Surface area 1.7573996459812E+14
Volume 9.6358182461772E+20
Height 9496830.6230424