21804761 (number)

21804761 is an odd 8-digits composite number following 21804760 and preceding 21804762. In scientific notation, it is written as 2.1804761 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 17674560 positive integers (up to 21804761) that are relatively prime to 21804761.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred four thousand seven hundred sixty-one

Notation

Scientific notation 2.1804761 × 10^7
Engineering notation 2.1804761 × 10^6

Prime Factorization of 21804761

Prime Factorization 11 × 6137 × 17 × 19

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21804761
Product of the distinct prime numbers

The prime factorization of 21804761 is 11 × 6137 × 17 × 19. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 77, 91, 718, 811, 7441, 4838, 66051, 9450, 763214, 30671, 1663178, 4269691, 73789152, 52769513, 310530759, 942916624, 2063400271, 3037889972

Basic calculations (n = 21804761)

Multiplication

n×y
n×2 43609522
n×3 65414283
n×4 87219044
n×5 109023805

Division

n÷y
n÷2 10902380.5
n÷3 7268253.6666667
n÷3 5451190.25
n÷5 4360952.2

Exponentiation

ny
n2 475447602267121
n3 1.0367021335458E+22
n4 2.2605042250155E+29
n5 4.9289754365954E+36

Nth Root

y√n
2√n 4669.5568312207
3√n 279.37257897529
4√n 68.334155670651
5√n 29.356904912624

Divisors of 21804761

1, 11, 17, 19, 187, 209, 323, 3553, 6137, 67507, 104329, 116603, 1147619, 1282633, 1982251, 21804761

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 -21804760
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 21804761 can be divided by 16 positive divisors. The sum of these divisors (counting 21804761) is 1, the average is 0.0625.

Base conversion 21804761

Base System Value
2 Binary 1010011001011011011011001
3 Ternary 1112000210111202
4 Quaternary 1103023123121
5 Quinary 21040223021
6 Senary 2055203545
8 Octal 123133331
10 Decimal 21804761
12 Duodecimal 73765b5
16 Hexadecimal 14cb6d9
20 Vigesimal 6g5bi1
36 Base36 czcnt

Cryptographic Hash Functions

md5 0070e4e663470bda0414cbbfdd06f2c4
sha1 fb19ca2abf96653a23da723b65e6444fb6c7226b
sha256 d72442a0697bb71b2c5d7fd4cdd2889ea51707854b60509c561df83a04143650
sha512 7362bb804934096239871081b4f2eb042cf92f8e2e6bf4337c2f6669c7409d1fd794b6d4ae267b6348f06a043b53a08546a8cb020edfe3860de983fa3dec9be1
ripemd-160 1c0228cfc500c08d43e996e56e520db95e20d63d

21804761 as geometric shapes

Circle

Radius = n
Diameter 43609522
Circumference 137003353.94176
Area 1.4936626944493E+15

Sphere

Radius = n
Volume 4.3425277422776E+22
Surface area 5.9746507777971E+15
Circumference 137003353.94176

Square

Length = n
Perimeter 87219044
Area 475447602267121
Diagonal 30836588.730504

Cube

Length = n
Surface area 2852685613602726
Volume 1.0367021335458E+22
Space diagonal 37766953.898896

Equilateral Triangle

Length = n
Perimeter 65414283
Area 2.0587485086586E+14
Altitude 18883476.949448

Triangular Pyramid

Length = n
Surface area 2.0587485086586E+14
Volume 1.221765181168E+21
Height 10278862.910168