21087328 (number)

21087328 is an even 8-digits composite number following 21087327 and preceding 21087329. In scientific notation, it is written as 2.1087328 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 12 positive divisors. There are 10543648 positive integers (up to 21087328) that are relatively prime to 21087328.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand three hundred twenty-eight

Notation

Scientific notation 2.1087328 × 10^7
Engineering notation 2.1087328 × 10^6

Prime Factorization of 21087328

Prime Factorization 2 × 2 × 2 × 2 × 2 × 658979

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1317958
Product of the distinct prime numbers

The prime factorization of 21087328 is 2 × 2 × 2 × 2 × 2 × 658979. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 5, 46, 86, 552, 681, 580, 9289, 35649, 75085, 23486, 174524, 1039805, 6969433, 44680526, 55606732, 499594723, 814099523, 4059587286, 2845237724

Basic calculations (n = 21087328)

Multiplication

n×y
n×2 42174656
n×3 63261984
n×4 84349312
n×5 105436640

Division

n÷y
n÷2 10543664
n÷3 7029109.3333333
n÷3 5271832
n÷5 4217465.6

Exponentiation

ny
n2 444675402179584
n3 9.3770160592928E+21
n4 1.9773621330357E+29
n5 4.1697283874104E+36

Nth Root

y√n
2√n 4592.0940756914
3√n 276.27431943308
4√n 67.764991519895
5√n 29.161127426768

Divisors of 21087328

1, 2, 4, 8, 16, 32, 658979, 1317958, 2635916, 5271832, 10543664, 21087328

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 -21087327
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 21087328 can be divided by 12 positive divisors. The sum of these divisors (counting 21087328) is 1, the average is 0.083333333333333.

Base conversion 21087328

Base System Value
2 Binary 1010000011100010001100000
3 Ternary 1110200100101011
4 Quaternary 1100130101200
5 Quinary 20344243303
6 Senary 2031550304
8 Octal 120342140
10 Decimal 21087328
12 Duodecimal 708b394
16 Hexadecimal 141c460
20 Vigesimal 6bfi68
36 Base36 cjz34

Cryptographic Hash Functions

md5 ccad5598b8ba0dd608f6b85e3ea10b51
sha1 398d97afcb4179409f495fbd2086ffe5435bb6dc
sha256 58592ff0da138f1aa75f691fcd7e960a15fc92370b6777676a119d4c209fade7
sha512 1100fb6eaf20f38b1a695e3af61b19b74c86270c3d0604e2251eee99341d0b3802c55840cca1843ab828b15b00fda6f4b4b6d7dc82e4adce3e2959e21c5a515b
ripemd-160 e54ff47aa614a78cf491ac3a4671df306dd65dc0

21087328 as geometric shapes

Circle

Radius = n
Diameter 42174656
Circumference 132495589.45728
Area 1.3969889767195E+15

Sphere

Radius = n
Volume 3.927835301929E+22
Surface area 5.5879559068779E+15
Circumference 132495589.45728

Square

Length = n
Perimeter 84349312
Area 444675402179584
Diagonal 29821985.25181

Cube

Length = n
Surface area 2668052413077504
Volume 9.3770160592928E+21
Space diagonal 36524323.49187

Equilateral Triangle

Length = n
Perimeter 63261984
Area 1.9255009736279E+14
Altitude 18262161.745935

Triangular Pyramid

Length = n
Surface area 1.9255009736279E+14
Volume 1.1050919404702E+21
Height 9940661.7506033