20021385 (number)

20021385 is an odd 8-digits composite number following 20021384 and preceding 20021386. In scientific notation, it is written as 2.0021385 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 10112960 positive integers (up to 20021385) that are relatively prime to 20021385.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0021385 × 10^7
Engineering notation 2.0021385 × 10^6

Prime Factorization of 20021385

Prime Factorization 5 × 3 × 23 × 131 × 443

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20021385
Product of the distinct prime numbers

The prime factorization of 20021385 is 5 × 3 × 23 × 131 × 443. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 10, 88, 45, 446, 655, 9069, 6252, 33827, 61102, 882320, 448329, 6701013, 7510746, 21924113, 81484225, 556179328, 833926755, 4043054469, 8153841897

Basic calculations (n = 20021385)

Multiplication

n×y
n×2 40042770
n×3 60064155
n×4 80085540
n×5 100106925

Division

n÷y
n÷2 10010692.5
n÷3 6673795
n÷3 5005346.25
n÷5 4004277

Exponentiation

ny
n2 400855857318225
n3 8.0256894488732E+21
n4 1.6068541834633E+29
n5 3.2171446245979E+36

Nth Root

y√n
2√n 4474.5262319043
3√n 271.53847356583
4√n 66.891899598564
5√n 28.860165908242

Divisors of 20021385

1, 3, 5, 15, 23, 69, 115, 131, 345, 393, 443, 655, 1329, 1965, 2215, 3013, 6645, 9039, 10189, 15065, 30567, 45195, 50945, 58033, 152835, 174099, 290165, 870495, 1334759, 4004277, 6673795, 20021385

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 -20021384
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 20021385 can be divided by 32 positive divisors. The sum of these divisors (counting 20021385) is 1, the average is 0.03125.

Base conversion 20021385

Base System Value
2 Binary 1001100011000000010001001
3 Ternary 1101200012011210
4 Quaternary 1030120002021
5 Quinary 20111141020
6 Senary 1553043333
8 Octal 114300211
10 Decimal 20021385
12 Duodecimal 6856549
16 Hexadecimal 1318089
20 Vigesimal 652d95
36 Base36 bx4ll

Cryptographic Hash Functions

md5 4721d66823ef5e76c02e8acec15a47f7
sha1 f0c6df7f878dd652a4b3f02bf1bab47d7ef36bf9
sha256 48ad0b2cd1d75432eeb057369f5e09c4c6c63beb8fa5f6698e4ce810e2e70131
sha512 d18b5b0089ef2fc77aecf96e2bf0fe20b5c4f93cf82dc8de387688ec484ff56d81d36107531f24f5186af3ab20c0e6dfcda30bc4faf43fb78985a0be8be0da24
ripemd-160 5a10a44e976121aafd2aadaf7abd3ed75ed95d5a

20021385 as geometric shapes

Circle

Radius = n
Diameter 40042770
Circumference 125798072.06139
Area 1.2593258164994E+15

Sphere

Radius = n
Volume 3.3617929350098E+22
Surface area 5.0373032659975E+15
Circumference 125798072.06139

Square

Length = n
Perimeter 80085540
Area 400855857318225
Diagonal 28314514.204493

Cube

Length = n
Surface area 2405135143909350
Volume 8.0256894488732E+21
Space diagonal 34678056.057897

Equilateral Triangle

Length = n
Perimeter 60064155
Area 1.7357567784669E+14
Altitude 17339028.028949

Triangular Pyramid

Length = n
Surface area 1.7357567784669E+14
Volume 9.4583657216593E+20
Height 9438171.4014978