21081824 (number)

21081824 is an even 8-digits composite number following 21081823 and preceding 21081825. In scientific notation, it is written as 2.1081824 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 12 positive divisors. There are 10540896 positive integers (up to 21081824) that are relatively prime to 21081824.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1081824 × 10^7
Engineering notation 2.1081824 × 10^6

Prime Factorization of 21081824

Prime Factorization 2 × 2 × 2 × 2 × 2 × 658807

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1317614
Product of the distinct prime numbers

The prime factorization of 21081824 is 2 × 2 × 2 × 2 × 2 × 658807. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 1, 25, 21, 972, 255, 6692, 831, 72549, 13144, 491896, 530892, 3068218, 9483382, 55201128, 34191932, 802222727, 705628412, 7699871854, 3466748853

Basic calculations (n = 21081824)

Multiplication

n×y
n×2 42163648
n×3 63245472
n×4 84327296
n×5 105409120

Division

n÷y
n÷2 10540912
n÷3 7027274.6666667
n÷3 5270456
n÷5 4216364.8

Exponentiation

ny
n2 444443303166976
n3 9.3696754953448E+21
n4 1.9752984972997E+29
n5 4.1642895267537E+36

Nth Root

y√n
2√n 4591.4947457228
3√n 276.25028057
4√n 67.760569254713
5√n 29.159604999601

Divisors of 21081824

1, 2, 4, 8, 16, 32, 658807, 1317614, 2635228, 5270456, 10540912, 21081824

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 -21081823
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 21081824 can be divided by 12 positive divisors. The sum of these divisors (counting 21081824) is 1, the average is 0.083333333333333.

Base conversion 21081824

Base System Value
2 Binary 1010000011010111011100000
3 Ternary 1110200001211022
4 Quaternary 1100122323200
5 Quinary 20344104244
6 Senary 2031505012
8 Octal 120327340
10 Decimal 21081824
12 Duodecimal 7088168
16 Hexadecimal 141aee0
20 Vigesimal 6bf4b4
36 Base36 cjuu8

Cryptographic Hash Functions

md5 136a02a3d102f580a8ec74a736ba5a8b
sha1 811f0b9594058c230b46e080fc8cb7a5cd43ecfb
sha256 e33415e905fb1cfbf82e93c0efa63f48e0e66e69de1105dd3cbf621a16cffe50
sha512 8502343e80c2ddf0be46d756c75eaccdce70f6d13535caa0f3249f27ba314c34a45ebab90e5ae50de41914712d9612811d106cc25d7399e5e4345207312a499a
ripemd-160 7899b65524a21ae57a9e4a52c504b4d9dfd61979

21081824 as geometric shapes

Circle

Radius = n
Diameter 42163648
Circumference 132461006.80535
Area 1.3962598161666E+15

Sphere

Radius = n
Volume 3.9247604936927E+22
Surface area 5.5850392646662E+15
Circumference 132461006.80535

Square

Length = n
Perimeter 84327296
Area 444443303166976
Diagonal 29814201.420363

Cube

Length = n
Surface area 2666659819001856
Volume 9.3696754953448E+21
Space diagonal 36514790.284225

Equilateral Triangle

Length = n
Perimeter 63245472
Area 1.9244959554224E+14
Altitude 18257395.142112

Triangular Pyramid

Length = n
Surface area 1.9244959554224E+14
Volume 1.1042268467126E+21
Height 9938067.1401209