21094728 (number)

21094728 is an even 8-digits composite number following 21094727 and preceding 21094729. In scientific notation, it is written as 2.1094728 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 6881600 positive integers (up to 21094728) that are relatively prime to 21094728.

Interesting facts

Basic properties

Name

Name twenty-one million ninety-four thousand seven hundred twenty-eight

Notation

Scientific notation 2.1094728 × 10^7
Engineering notation 2.1094728 × 10^6

Prime Factorization of 21094728

Prime Factorization 2 × 2 × 2 × 3 × 47 × 18701

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5273682
Product of the distinct prime numbers

The prime factorization of 21094728 is 2 × 2 × 2 × 3 × 47 × 18701. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21094728)

Multiplication

n×y
n×2 42189456
n×3 63284184
n×4 84378912
n×5 105473640

Division

n÷y
n÷2 10547364
n÷3 7031576
n÷3 5273682
n÷5 4218945.6

Exponentiation

ny
n2 444987549393984
n3 9.3868913178527E+21
n4 1.9801391911566E+29
n5 4.1770497639589E+36

Nth Root

y√n
2√n 4592.8997376385
3√n 276.30663253388
4√n 67.770935788423
5√n 29.163173793751

Divisors of 21094728

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21094727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21094728 can be divided by 32 positive divisors. The sum of these divisors (counting 21094728) is 1, the average is 0.03125.

Base conversion 21094728

Base System Value
2 Binary 1010000011110000101001000
3 Ternary 1110200201112020
4 Quaternary 1100132011020
5 Quinary 20400012403
6 Senary 2032044440
8 Octal 120360510
10 Decimal 21094728
12 Duodecimal 7093720
16 Hexadecimal 141e148
20 Vigesimal 6bggg8
36 Base36 ck4so

Cryptographic Hash Functions

md5 874625d3844446d695a6824149cf1853
sha1 42f75da2c81f53f697691fbe5fc579cdf54e5d73
sha256 256e0e79ede9e60d1d0d4ba6da867267f972d29967138d76d80d71bfca87ead4
sha512 00ac7ac352b584dde203d97973bdabedd47a867e4dbcebe111ef58a0fc7f19975d9b35ca67d7e917f91391d1e0e6a5bc3d8b3eca993a8291b1b3234800be1cc3
ripemd-160 2bd71f43b8bd9f0c4719c215e5958037b9abce10

21094728 as geometric shapes

Circle

Radius = n
Diameter 42189456
Circumference 132542085.02855
Area 1.3979696161151E+15

Sphere

Radius = n
Volume 3.9319718405616E+22
Surface area 5.5918784644603E+15
Circumference 132542085.02855

Square

Length = n
Perimeter 84378912
Area 444987549393984
Diagonal 29832450.432171

Cube

Length = n
Surface area 2669925296363904
Volume 9.3868913178527E+21
Space diagonal 36537140.667846

Equilateral Triangle

Length = n
Perimeter 63284184
Area 1.9268526107149E+14
Altitude 18268570.333923

Triangular Pyramid

Length = n
Surface area 1.9268526107149E+14
Volume 1.1062557508525E+21
Height 9944150.1440572