21031185 (number)

21031185 is an odd 8-digits composite number following 21031184 and preceding 21031186. In scientific notation, it is written as 2.1031185 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 9614208 positive integers (up to 21031185) that are relatively prime to 21031185.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031185 × 10^7
Engineering notation 2.1031185 × 10^6

Prime Factorization of 21031185

Prime Factorization 105 × 200297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031185
Product of the distinct prime numbers

The prime factorization of 21031185 is 105 × 200297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 6, 89, 83, 173, 766, 2265, 5230, 94794, 52891, 441710, 452186, 8382150, 4828985, 29021963, 80529936, 266916338, 479359764, 6736745173, 7843044992

Basic calculations (n = 21031185)

Multiplication

n×y
n×2 42062370
n×3 63093555
n×4 84124740
n×5 105155925

Division

n÷y
n÷2 10515592.5
n÷3 7010395
n÷3 5257796.25
n÷5 4206237

Exponentiation

ny
n2 442310742504225
n3 9.3023190530937E+21
n4 1.9563879293464E+29
n5 4.1145156473851E+36

Nth Root

y√n
2√n 4585.9769951451
3√n 276.02891684002
4√n 67.719841960426
5√n 29.145583119629

Divisors of 21031185

1, 105, 200297, 21031185

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031184
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031185 can be divided by 4 positive divisors. The sum of these divisors (counting 21031185) is 1, the average is 0.25.

Base conversion 21031185

Base System Value
2 Binary 1010000001110100100010001
3 Ternary 1110120111100210
4 Quaternary 1100032210101
5 Quinary 20340444220
6 Senary 2030434333
8 Octal 120164421
10 Decimal 21031185
12 Duodecimal 70629a9
16 Hexadecimal 140e911
20 Vigesimal 6b8hj5
36 Base36 cirrl

Cryptographic Hash Functions

md5 96625418f963044fa5ba14b69093b7e3
sha1 7120b1a1b70f4d87b59791552c641e5e8784a223
sha256 5e1faadaa3493c870af5c70460a4b28f7bcde52c55fe162f4d8a46490e3b1842
sha512 53660d61871e7a136be1a2141cae9a9b0a004d805cf7dce260a47008ec42e1682682328338c7aeca30f328b8ed0f1c8e6dfdbbd855e80859980bed13bea619ba
ripemd-160 fb1a37b9d66546a6426c222a2d23f299d4514b4d

21031185 as geometric shapes

Circle

Radius = n
Diameter 42062370
Circumference 132142832.58458
Area 1.3895601792551E+15

Sphere

Radius = n
Volume 3.8965462931397E+22
Surface area 5.5582407170205E+15
Circumference 132142832.58458

Square

Length = n
Perimeter 84124740
Area 442310742504225
Diagonal 29742587.059778

Cube

Length = n
Surface area 2653864455025350
Volume 9.3023190530937E+21
Space diagonal 36427080.96338

Equilateral Triangle

Length = n
Perimeter 63093555
Area 1.9152616968771E+14
Altitude 18213540.48169

Triangular Pyramid

Length = n
Surface area 1.9152616968771E+14
Volume 1.0962888138672E+21
Height 9914195.6865925