20138385 (number)

20138385 is an odd 8-digits composite number following 20138384 and preceding 20138386. In scientific notation, it is written as 2.0138385 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 10172448 positive integers (up to 20138385) that are relatively prime to 20138385.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-eight thousand three hundred eighty-five

Notation

Scientific notation 2.0138385 × 10^7
Engineering notation 2.0138385 × 10^6

Prime Factorization of 20138385

Prime Factorization 3 × 5 × 19 × 19 × 3719

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1059915
Product of the distinct prime numbers

The prime factorization of 20138385 is 3 × 5 × 19 × 19 × 3719. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 6, 32, 85, 64, 48, 9318, 6700, 37008, 1425, 127438, 543840, 7825916, 7742440, 33453634, 88827732, 141374459, 15159460, 4008458845, 8387991031

Basic calculations (n = 20138385)

Multiplication

n×y
n×2 40276770
n×3 60415155
n×4 80553540
n×5 100691925

Division

n÷y
n÷2 10069192.5
n÷3 6712795
n÷3 5034596.25
n÷5 4027677

Exponentiation

ny
n2 405554550408225
n3 8.1672136746227E+21
n4 1.6447449335682E+29
n5 3.3122506698995E+36

Nth Root

y√n
2√n 4487.581197037
3√n 272.06638103757
4√n 66.989411081431
5√n 28.893817666862

Divisors of 20138385

1, 3, 5, 15, 19, 57, 95, 285, 361, 1083, 1805, 3719, 5415, 11157, 18595, 55785, 70661, 211983, 353305, 1059915, 1342559, 4027677, 6712795, 20138385

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 -20138384
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 20138385 can be divided by 24 positive divisors. The sum of these divisors (counting 20138385) is 1, the average is 0.041666666666667.

Base conversion 20138385

Base System Value
2 Binary 1001100110100100110010001
3 Ternary 1101220010200010
4 Quaternary 1030310212101
5 Quinary 20123412020
6 Senary 1555345133
8 Octal 114644621
10 Decimal 20138385
12 Duodecimal 68b21a9
16 Hexadecimal 1334991
20 Vigesimal 65h5j5
36 Base36 bzmvl

Cryptographic Hash Functions

md5 b298e9e06f3e246b6536dce952cd96c5
sha1 fceeaa7195a1ed4e87f9352b0063a3c7d9cf2ebc
sha256 da837e418021060cf1753f1ca8ec771b7a447ca82db4e9c1eb9ef9c9c96b231e
sha512 4b1d804ce13ac2c47072ae9eb051204dca3349123ac18f7b0a567445031a24e92ba719763d3a4640e1da0d33dbbd58decf7ecf6188240f66348d774cc623cab8
ripemd-160 54320e5d6260e292ccdb79743e69eb6e8607c1a4

20138385 as geometric shapes

Circle

Radius = n
Diameter 40276770
Circumference 126533204.74233
Area 1.2740871961924E+15

Sphere

Radius = n
Volume 3.4210744640657E+22
Surface area 5.0963487847696E+15
Circumference 126533204.74233

Square

Length = n
Perimeter 80553540
Area 405554550408225
Diagonal 28479977.191291

Cube

Length = n
Surface area 2433327302449350
Volume 8.1672136746227E+21
Space diagonal 34880706.002383

Equilateral Triangle

Length = n
Perimeter 60415155
Area 1.7561027163695E+14
Altitude 17440353.001191

Triangular Pyramid

Length = n
Surface area 1.7561027163695E+14
Volume 9.6251536212087E+20
Height 9493325.7304303