20185513 (number)

20185513 is an odd 8-digits composite number following 20185512 and preceding 20185514. In scientific notation, it is written as 2.0185513 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 18560080 positive integers (up to 20185513) that are relatively prime to 20185513.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0185513 × 10^7
Engineering notation 2.0185513 × 10^6

Prime Factorization of 20185513

Prime Factorization 23 × 71 × 47 × 263

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20185513
Product of the distinct prime numbers

The prime factorization of 20185513 is 23 × 71 × 47 × 263. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20185513)

Multiplication

n×y
n×2 40371026
n×3 60556539
n×4 80742052
n×5 100927565

Division

n÷y
n÷2 10092756.5
n÷3 6728504.3333333
n÷3 5046378.25
n÷5 4037102.6

Exponentiation

ny
n2 407454935073169
n3 8.2246868888336E+21
n4 1.6601952411548E+29
n5 3.3511892622868E+36

Nth Root

y√n
2√n 4492.8290641866
3√n 272.2784462948
4√n 67.02856901491
5√n 28.907328531356

Divisors of 20185513

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20185512
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20185513 can be divided by 16 positive divisors. The sum of these divisors (counting 20185513) is 1, the average is 0.0625.

Base conversion 20185513

Base System Value
2 Binary 1001101000000000110101001
3 Ternary 1101222112022121
4 Quaternary 1031000012221
5 Quinary 20131414023
6 Senary 2000351241
8 Octal 115000651
10 Decimal 20185513
12 Duodecimal 6915521
16 Hexadecimal 13401a9
20 Vigesimal 6633fd
36 Base36 c0n8p

Cryptographic Hash Functions

md5 3fea55692e6e9c0d26be8dc027f5afd6
sha1 6a026828c23cb9b0e5c561439a8e419b66355008
sha256 35cd9f01c9c59d2877edbd368c03a4b94824274eefb11204b67b05fd8831eab4
sha512 a70c10b932ea931f0f6907df6342469dbf7214ab7d343b258fa8a95bffaa23706f66a07baa55515bd798e6a7399213733d118479bd424de6b9068a9ee5de53c6
ripemd-160 488edd3e924b872505a5de28b0608df4526a3317

20185513 as geometric shapes

Circle

Radius = n
Diameter 40371026
Circumference 126829318.69948
Area 1.2800574306948E+15

Sphere

Radius = n
Volume 3.4451487877381E+22
Surface area 5.1202297227791E+15
Circumference 126829318.69948

Square

Length = n
Perimeter 80742052
Area 407454935073169
Diagonal 28546626.248058

Cube

Length = n
Surface area 2444729610439014
Volume 8.2246868888336E+21
Space diagonal 34962334.092842

Equilateral Triangle

Length = n
Perimeter 60556539
Area 1.7643316233535E+14
Altitude 17481167.046421

Triangular Pyramid

Length = n
Surface area 1.7643316233535E+14
Volume 9.6928864537172E+20
Height 9515542.0826861