21014728 (number)

21014728 is an even 8-digits composite number following 21014727 and preceding 21014729. In scientific notation, it is written as 2.1014728 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 24 positive divisors. There are 9006144 positive integers (up to 21014728) that are relatively prime to 21014728.

Interesting facts

Basic properties

Name

Name twenty-one million fourteen thousand seven hundred twenty-eight

Notation

Scientific notation 2.1014728 × 10^7
Engineering notation 2.1014728 × 10^6

Prime Factorization of 21014728

Prime Factorization 2 × 2 × 2 × 7 × 7 × 53609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 750526
Product of the distinct prime numbers

The prime factorization of 21014728 is 2 × 2 × 2 × 7 × 7 × 53609. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21014728)

Multiplication

n×y
n×2 42029456
n×3 63044184
n×4 84058912
n×5 105073640

Division

n÷y
n÷2 10507364
n÷3 7004909.3333333
n÷3 5253682
n÷5 4202945.6

Exponentiation

ny
n2 441618792913984
n3 9.2804988127757E+21
n4 1.950271582548E+29
n5 4.0984426833377E+36

Nth Root

y√n
2√n 4584.1823698452
3√n 275.9569000822
4√n 67.706590298473
5√n 29.141020380412

Divisors of 21014728

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21014727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21014728 can be divided by 24 positive divisors. The sum of these divisors (counting 21014728) is 1, the average is 0.041666666666667.

Base conversion 21014728

Base System Value
2 Binary 1010000001010100011001000
3 Ternary 1110112122210021
4 Quaternary 1100022203020
5 Quinary 20334432403
6 Senary 2030230224
8 Octal 120124310
10 Decimal 21014728
12 Duodecimal 7055374
16 Hexadecimal 140a8c8
20 Vigesimal 6b6gg8
36 Base36 cif2g

Cryptographic Hash Functions

md5 7650770877b5ef2caa145b80a5315452
sha1 9351f8987d86674f659fa34ce54f5ac9081aad1e
sha256 7e3a86c836f45cb5fdc5cd0e03699dc654394d3f6d4c8b0af973b06492bc6e93
sha512 6c3087ecf67c200dce3d9cb9c3404e8d3de4b796c4679192f6541376e3bd6c453ddf7eb5269c7103415d64360136ee2c0301729bc4d7fc4b4056fad5c3b5cf78
ripemd-160 6d5d258e85fed6ac44c81d3278fb1fc1205e736f

21014728 as geometric shapes

Circle

Radius = n
Diameter 42029456
Circumference 132039430.20398
Area 1.3873863555058E+15

Sphere

Radius = n
Volume 3.8874062522487E+22
Surface area 5.5495454220231E+15
Circumference 132039430.20398

Square

Length = n
Perimeter 84058912
Area 441618792913984
Diagonal 29719313.347182

Cube

Length = n
Surface area 2649712757483904
Volume 9.2804988127757E+21
Space diagonal 36398576.60324

Equilateral Triangle

Length = n
Perimeter 63044184
Area 1.9122654672606E+14
Altitude 18199288.30162

Triangular Pyramid

Length = n
Surface area 1.9122654672606E+14
Volume 1.0937172738846E+21
Height 9906437.7823939