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.
21094728 has 32 divisors, whose sum is 53861760
The reverse of 21094728 is 82749012
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million ninety-four thousand seven hundred twenty-eight
Scientific notation
2.1094728 × 10^7
Engineering notation
2.1094728 × 10^6
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.
2 , 2 , 35 , 86 , 45 , 996 , 6120 , 7593 , 69516 , 9123 , 393714 , 150473 , 9504637 , 5411272 , 44600506 , 72420972 , 45223978 , 251536050 , 6992937260 , 4977488788
n×2
42189456
n×3
63284184
n×4
84378912
n×5
105473640
n÷2
10547364
n÷3
7031576
n÷3
5273682
n÷5
4218945.6
n2
444987549393984
n3
9.3868913178527E+21
n4
1.9801391911566E+29
n5
4.1770497639589E+36
2 √n
4592.8997376385
3 √n
276.30663253388
4 √n
67.770935788423
5 √n
29.163173793751
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 47 , 94 , 141 , 188 , 282 , 376 , 564 , 1128 , 18701 , 37402 , 56103 , 74804 , 112206 , 149608 , 224412 , 448824 , 878947 , 1757894 , 2636841 , 3515788 , 5273682 , 7031576 , 10547364 , 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
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
md5
874625d3844446d695a6824149cf1853
sha1
42f75da2c81f53f697691fbe5fc579cdf54e5d73
sha256
256e0e79ede9e60d1d0d4ba6da867267f972d29967138d76d80d71bfca87ead4
sha512
00ac7ac352b584dde203d97973bdabedd47a867e4dbcebe111ef58a0fc7f19975d9b35ca67d7e917f91391d1e0e6a5bc3d8b3eca993a8291b1b3234800be1cc3
ripemd-160
2bd71f43b8bd9f0c4719c215e5958037b9abce10
Diameter
42189456
Circumference
132542085.02855
Area
1.3979696161151E+15
Volume
3.9319718405616E+22
Surface area
5.5918784644603E+15
Circumference
132542085.02855
Perimeter
84378912
Area
444987549393984
Diagonal
29832450.432171
Surface area
2669925296363904
Volume
9.3868913178527E+21
Space diagonal
36537140.667846
Perimeter
63284184
Area
1.9268526107149E+14
Altitude
18268570.333923
Surface area
1.9268526107149E+14
Volume
1.1062557508525E+21
Height
9944150.1440572