20013905 (number)

20013905 is an odd 8-digits composite number following 20013904 and preceding 20013906. In scientific notation, it is written as 2.0013905 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 15771888 positive integers (up to 20013905) that are relatively prime to 20013905.

Interesting facts

Basic properties

Name

Name twenty million thirteen thousand nine hundred five

Notation

Scientific notation 2.0013905 × 10^7
Engineering notation 2.0013905 × 10^6

Prime Factorization of 20013905

Prime Factorization 5 × 67 × 59743

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20013905
Product of the distinct prime numbers

The prime factorization of 20013905 is 5 × 67 × 59743. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20013905)

Multiplication

n×y
n×2 40027810
n×3 60041715
n×4 80055620
n×5 100069525

Division

n÷y
n÷2 10006952.5
n÷3 6671301.6666667
n÷3 5003476.25
n÷5 4002781

Exponentiation

ny
n2 400556393349025
n3 8.01669760363E+21
n4 1.6044542425278E+29
n5 3.2111394786798E+36

Nth Root

y√n
2√n 4473.6903111414
3√n 271.50465371477
4√n 66.885651010821
5√n 28.858009151269

Divisors of 20013905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20013904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20013905 can be divided by 8 positive divisors. The sum of these divisors (counting 20013905) is 1, the average is 0.125.

Base conversion 20013905

Base System Value
2 Binary 1001100010110001101010001
3 Ternary 1101122210220202
4 Quaternary 1030112031101
5 Quinary 20110421110
6 Senary 1552544545
8 Octal 114261521
10 Decimal 20013905
12 Duodecimal 6852155
16 Hexadecimal 1316351
20 Vigesimal 651ef5
36 Base36 bwytt

Cryptographic Hash Functions

md5 0112f9a4a4443442c357137b97ab4b52
sha1 024bb14fe4aec85f634a7841e832d0cea51a24fe
sha256 f909f253c2007a4daed6c8b60d2b6eb88eb64ca7a69b99d02a887a57a489b2ad
sha512 821bb14e432b42e3c6c3138c6ec05314b4d34aa6851503d0743b5a983eb8ab1c97acf9203478438e4116c473de0bfca88249411304ed39f52187367f8234a3fe
ripemd-160 4aa0f974429d31e0ab6b6fde0c0e70ebbeb3af59

20013905 as geometric shapes

Circle

Radius = n
Diameter 40027810
Circumference 125751073.83529
Area 1.2583850226937E+15

Sphere

Radius = n
Volume 3.358026439682E+22
Surface area 5.0335400907749E+15
Circumference 125751073.83529

Square

Length = n
Perimeter 80055620
Area 400556393349025
Diagonal 28303935.887047

Cube

Length = n
Surface area 2403338360094150
Volume 8.01669760363E+21
Space diagonal 34665100.317857

Equilateral Triangle

Length = n
Perimeter 60041715
Area 1.7344600614426E+14
Altitude 17332550.158928

Triangular Pyramid

Length = n
Surface area 1.7344600614426E+14
Volume 9.4477687304146E+20
Height 9434645.2956822