21081884 (number)

21081884 is an even 8-digits composite number following 21081883 and preceding 21081885. In scientific notation, it is written as 2.1081884 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 10526544 positive integers (up to 21081884) that are relatively prime to 21081884.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1081884 × 10^7
Engineering notation 2.1081884 × 10^6

Prime Factorization of 21081884

Prime Factorization 2 × 2 × 827 × 6373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10540942
Product of the distinct prime numbers

The prime factorization of 21081884 is 2 × 2 × 827 × 6373. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 47, 8, 646, 670, 7258, 8082, 47105, 76983, 704166, 6007, 720504, 5070305, 40591296, 69256544, 945521686, 706107885, 8560985844, 8356036668

Basic calculations (n = 21081884)

Multiplication

n×y
n×2 42163768
n×3 63245652
n×4 84327536
n×5 105409420

Division

n÷y
n÷2 10540942
n÷3 7027294.6666667
n÷3 5270471
n÷5 4216376.8

Exponentiation

ny
n2 444445832989456
n3 9.3697554953671E+21
n4 1.9753209846169E+29
n5 4.164348786046E+36

Nth Root

y√n
2√n 4591.5012795381
3√n 276.25054264412
4√n 67.760617467214
5√n 29.159621597542

Divisors of 21081884

1, 2, 4, 827, 1654, 3308, 6373, 12746, 25492, 5270471, 10540942, 21081884

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081883
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081884 can be divided by 12 positive divisors. The sum of these divisors (counting 21081884) is 1, the average is 0.083333333333333.

Base conversion 21081884

Base System Value
2 Binary 1010000011010111100011100
3 Ternary 1110200001220112
4 Quaternary 1100122330130
5 Quinary 20344110014
6 Senary 2031505152
8 Octal 120327434
10 Decimal 21081884
12 Duodecimal 70881b8
16 Hexadecimal 141af1c
20 Vigesimal 6bf4e4
36 Base36 cjuvw

Cryptographic Hash Functions

md5 1d4e70123538a0ce04aa8ebc4203a0e9
sha1 6f88396fe3161e33897760e401cb5dbf5a2835b3
sha256 8f6c0daf25b2f5226782275f011ddf2ced6afc5955009d9dfced7a61655dfce4
sha512 56a4600222eb91c2d6a5b419b4373c59d2ab159363a8f03a80a0c65f50d4cabf63c386b6df266851b8e006763d8f4dfc23ce1e64e45dd7d540ed2c0ac005059a
ripemd-160 57724f399455b46388ff247cd786ffa245edaaee

21081884 as geometric shapes

Circle

Radius = n
Diameter 42163768
Circumference 132461383.79646
Area 1.3962677638383E+15

Sphere

Radius = n
Volume 3.9247940040237E+22
Surface area 5.5850710553531E+15
Circumference 132461383.79646

Square

Length = n
Perimeter 84327536
Area 444445832989456
Diagonal 29814286.273176

Cube

Length = n
Surface area 2666674997936736
Volume 9.3697554953671E+21
Space diagonal 36514894.207273

Equilateral Triangle

Length = n
Perimeter 63245652
Area 1.924506909875E+14
Altitude 18257447.103637

Triangular Pyramid

Length = n
Surface area 1.924506909875E+14
Volume 1.1042362748057E+21
Height 9938095.4243921