21132820 (number)

21132820 is an even 8-digits composite number following 21132819 and preceding 21132821. In scientific notation, it is written as 2.1132820 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors. There are 8453120 positive integers (up to 21132820) that are relatively prime to 21132820.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-two thousand eight hundred twenty

Notation

Scientific notation 2.1132820 × 10^7
Engineering notation 2.1132820 × 10^6

Prime Factorization of 21132820

Prime Factorization 2 × 2 × 5 × 1056641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10566410
Product of the distinct prime numbers

The prime factorization of 21132820 is 2 × 2 × 5 × 1056641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 5, 26, 829, 77, 8774, 9041, 27798, 51931, 394893, 516357, 6442837, 9039966, 56299662, 79350943, 276198421, 278382395, 5236049251, 419222725

Basic calculations (n = 21132820)

Multiplication

n×y
n×2 42265640
n×3 63398460
n×4 84531280
n×5 105664100

Division

n÷y
n÷2 10566410
n÷3 7044273.3333333
n÷3 5283205
n÷5 4226564

Exponentiation

ny
n2 446596081152400
n3 9.4378345956991E+21
n4 1.9944805970068E+29
n5 4.2148999450037E+36

Nth Root

y√n
2√n 4597.0447028499
3√n 276.47284694451
4√n 67.801509591232
5√n 29.173698528548

Divisors of 21132820

1, 2, 4, 5, 10, 20, 1056641, 2113282, 4226564, 5283205, 10566410, 21132820

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 -21132819
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 21132820 can be divided by 12 positive divisors. The sum of these divisors (counting 21132820) is 1, the average is 0.083333333333333.

Base conversion 21132820

Base System Value
2 Binary 1010000100111011000010100
3 Ternary 1110202122210001
4 Quaternary 1100213120110
5 Quinary 20402222240
6 Senary 2032541044
8 Octal 120473024
10 Decimal 21132820
12 Duodecimal 70b1784
16 Hexadecimal 1427614
20 Vigesimal 6c1c10
36 Base36 cky6s

Cryptographic Hash Functions

md5 748534d55e76ae797ab47f8a920f9c72
sha1 422123f69f1253830a0fd70a85e69c87696ae8f5
sha256 a3ee20453c20b7f8325481f2bf363b95a9799e8dcf91e7714cc91533b2b0ab14
sha512 23ca389cc2bc013178f7f56b3aa65a111061945caa673b32c232b02a2c5afad9cfec9adbe4a4ba8e27f5004d1edd251af33e768d36654108f960d306f17d10e2
ripemd-160 e65ed67cc662fac9117599a3a7af205eeb625ce4

21132820 as geometric shapes

Circle

Radius = n
Diameter 42265640
Circumference 132781424.12327
Area 1.4030229676704E+15

Sphere

Radius = n
Volume 3.9533109108858E+22
Surface area 5.6120918706815E+15
Circumference 132781424.12327

Square

Length = n
Perimeter 84531280
Area 446596081152400
Diagonal 29886320.655189

Cube

Length = n
Surface area 2679576486914400
Volume 9.4378345956991E+21
Space diagonal 36603117.947208

Equilateral Triangle

Length = n
Perimeter 63398460
Area 1.9338177575428E+14
Altitude 18301558.973604

Triangular Pyramid

Length = n
Surface area 1.9338177575428E+14
Volume 1.1122594737226E+21
Height 9962106.8850631