21528072 (number)

21528072 is an even 8-digits composite number following 21528071 and preceding 21528073. In scientific notation, it is written as 2.1528072 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors. There are 7175952 positive integers (up to 21528072) that are relatively prime to 21528072.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred twenty-eight thousand seventy-two

Notation

Scientific notation 2.1528072 × 10^7
Engineering notation 2.1528072 × 10^6

Prime Factorization of 21528072

Prime Factorization 2 × 2 × 2 × 27 × 99667

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5382018
Product of the distinct prime numbers

The prime factorization of 21528072 is 2 × 2 × 2 × 27 × 99667. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 4, 25, 6, 285, 486, 6593, 554, 92241, 38232, 660408, 356605, 8533466, 7334976, 52273953, 2078626, 108268286, 514435527, 3736873408, 7291296135

Basic calculations (n = 21528072)

Multiplication

n×y
n×2 43056144
n×3 64584216
n×4 86112288
n×5 107640360

Division

n÷y
n÷2 10764036
n÷3 7176024
n÷3 5382018
n÷5 4305614.4

Exponentiation

ny
n2 463457884037184
n3 9.9773546965201E+21
n4 2.1479321027622E+29
n5 4.6240836959377E+36

Nth Root

y√n
2√n 4639.835341906
3√n 278.18585643014
4√n 68.116336820957
5√n 29.282019630709

Divisors of 21528072

1, 2, 4, 8, 27, 54, 108, 216, 99667, 199334, 398668, 797336, 2691009, 5382018, 10764036, 21528072

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21528071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21528072 can be divided by 16 positive divisors. The sum of these divisors (counting 21528072) is 1, the average is 0.0625.

Base conversion 21528072

Base System Value
2 Binary 1010010000111111000001000
3 Ternary 1111111201222000
4 Quaternary 1102013320020
5 Quinary 21002344242
6 Senary 2045231000
8 Octal 122077010
10 Decimal 21528072
12 Duodecimal 7262460
16 Hexadecimal 1487e08
20 Vigesimal 6eb03c
36 Base36 ctf60

Cryptographic Hash Functions

md5 e9be273fc2ceccda3cf91a66a303043a
sha1 c0f63837af1a2ffc99dd1b850d57b311c073214b
sha256 e584f4587d5b1ba7017a36f4d6670b2f869fba43c19e14d325c2c6986d81ad3d
sha512 a8d65e7facc1c00dce69d1ea555c1a9159268f8046ff168ed0c96103429fb3f06ce7c195c7e31bf864cc518552cf088eed0e14f9923344b4b51aca751d0b94be
ripemd-160 e8f28d1d840d3305c5d417eaf4d6692364f8663d

21528072 as geometric shapes

Circle

Radius = n
Diameter 43056144
Circumference 135264865.6823
Area 1.4559958837395E+15

Sphere

Radius = n
Volume 4.1793045622463E+22
Surface area 5.823983534958E+15
Circumference 135264865.6823

Square

Length = n
Perimeter 86112288
Area 463457884037184
Diagonal 30445291.394144

Cube

Length = n
Surface area 2780747304223104
Volume 9.9773546965201E+21
Space diagonal 37287714.493001

Equilateral Triangle

Length = n
Perimeter 64584216
Area 2.0068315058019E+14
Altitude 18643857.2465

Triangular Pyramid

Length = n
Surface area 2.0068315058019E+14
Volume 1.1758425273688E+21
Height 10148430.464715