21004821 (number)

21004821 is an odd 8-digits composite number following 21004820 and preceding 21004822. In scientific notation, it is written as 2.1004821 × 10^7. The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors. There are 14003208 positive integers (up to 21004821) that are relatively prime to 21004821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1004821 × 10^7
Engineering notation 2.1004821 × 10^6

Prime Factorization of 21004821

Prime Factorization 9 × 2333869

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21004821
Product of the distinct prime numbers

The prime factorization of 21004821 is 9 × 2333869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 36, 10, 317, 99, 8531, 2833, 40884, 83762, 518220, 863587, 747765, 3208003, 3526192, 33166750, 366482921, 562246364, 6952525285, 5764027199

Basic calculations (n = 21004821)

Multiplication

n×y
n×2 42009642
n×3 63014463
n×4 84019284
n×5 105024105

Division

n÷y
n÷2 10502410.5
n÷3 7001607
n÷3 5251205.25
n÷5 4200964.2

Exponentiation

ny
n2 441202505242041
n3 9.2673796473606E+21
n4 1.9465965063185E+29
n5 4.0887911174446E+36

Nth Root

y√n
2√n 4583.1016789943
3√n 275.91352836154
4√n 67.698609136335
5√n 29.13827226447

Divisors of 21004821

1, 9, 2333869, 21004821

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 -21004820
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 21004821 can be divided by 4 positive divisors. The sum of these divisors (counting 21004821) is 1, the average is 0.25.

Base conversion 21004821

Base System Value
2 Binary 1010000001000001000010101
3 Ternary 1110112011012100
4 Quaternary 1100020020111
5 Quinary 20334123241
6 Senary 2030112313
8 Octal 120101025
10 Decimal 21004821
12 Duodecimal 704b699
16 Hexadecimal 1408215
20 Vigesimal 6b5c11
36 Base36 ci7f9

Cryptographic Hash Functions

md5 7ad4a74a8dcd67f9a6c459de5d7f5686
sha1 d301b77e5eb3a3fbb349f4413aaad3e28f35b0de
sha256 ed1bfa13ffeb93bb2199f84848306e78a1ad0d944943c105b306c1300b786e43
sha512 2361a66674d9a28e1b35255f37d8e01682b61af4093fef10e146d7fa5a4ccc7879226d542683cbc64326de80588e5c143839459b50820533f64b6e91806ac1fb
ripemd-160 86463b1cdd838c04f64e539c955b6c90c116b25c

21004821 as geometric shapes

Circle

Radius = n
Diameter 42009642
Circumference 131977182.68714
Area 1.3860785492138E+15

Sphere

Radius = n
Volume 3.8819109090901E+22
Surface area 5.5443141968552E+15
Circumference 131977182.68714

Square

Length = n
Perimeter 84019284
Area 441202505242041
Diagonal 29705302.733419

Cube

Length = n
Surface area 2647215031452246
Volume 9.2673796473606E+21
Space diagonal 36381417.17589

Equilateral Triangle

Length = n
Perimeter 63014463
Area 1.9104628887647E+14
Altitude 18190708.587945

Triangular Pyramid

Length = n
Surface area 1.9104628887647E+14
Volume 1.0921711654132E+21
Height 9901767.5778064