21004881 (number)

21004881 is an odd 8-digits composite number following 21004880 and preceding 21004882. In scientific notation, it is written as 2.1004881 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13980192 positive integers (up to 21004881) that are relatively prime to 21004881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1004881 × 10^7
Engineering notation 2.1004881 × 10^6

Prime Factorization of 21004881

Prime Factorization 3 × 643 × 10889

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21004881
Product of the distinct prime numbers

The prime factorization of 21004881 is 3 × 643 × 10889. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21004881)

Multiplication

n×y
n×2 42009762
n×3 63014643
n×4 84019524
n×5 105024405

Division

n÷y
n÷2 10502440.5
n÷3 7001627
n÷3 5251220.25
n÷5 4200976.2

Exponentiation

ny
n2 441205025824161
n3 9.2674590640384E+21
n4 1.946618748125E+29
n5 4.0888495156734E+36

Nth Root

y√n
2√n 4583.108224775
3√n 275.91379107576
4√n 67.698657481334
5√n 29.138288911071

Divisors of 21004881

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 -21004880
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 21004881 can be divided by 8 positive divisors. The sum of these divisors (counting 21004881) is 1, the average is 0.125.

Base conversion 21004881

Base System Value
2 Binary 1010000001000001001010001
3 Ternary 1110112011021120
4 Quaternary 1100020021101
5 Quinary 20334124011
6 Senary 2030112453
8 Octal 120101121
10 Decimal 21004881
12 Duodecimal 704b729
16 Hexadecimal 1408251
20 Vigesimal 6b5c41
36 Base36 ci7gx

Cryptographic Hash Functions

md5 c522b2e7b009325aed7ee31044846958
sha1 68e9f84c857898316d348dd5830e432f82416096
sha256 18bfcdef85065f10895aae49e60c246f12369348eadeed76c8cac234b36098f1
sha512 6bbd0cd7160e56d36044d88cbf9fdb539821e1d8321efa07a650b8ede28f0bdf7c310fe3c2a33956845ae5826771ae3ec7f0ec0524ef36eb7cced36106c2b8c1
ripemd-160 2980f4a5ac9369811ee5cb8d9b59f3a861b68436

21004881 as geometric shapes

Circle

Radius = n
Diameter 42009762
Circumference 131977559.67826
Area 1.3860864678561E+15

Sphere

Radius = n
Volume 3.8819441750703E+22
Surface area 5.5443458714243E+15
Circumference 131977559.67826

Square

Length = n
Perimeter 84019524
Area 441205025824161
Diagonal 29705387.586233

Cube

Length = n
Surface area 2647230154944966
Volume 9.2674590640384E+21
Space diagonal 36381521.098938

Equilateral Triangle

Length = n
Perimeter 63014643
Area 1.9104738032055E+14
Altitude 18190760.549469

Triangular Pyramid

Length = n
Surface area 1.9104738032055E+14
Volume 1.0921805247584E+21
Height 9901795.8620776