21494619 is an odd 8-digits composite number following 21494618
and preceding 21494620 . In scientific notation, it is written as 2.1494619 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 13979520 positive integers (up to 21494619) that are relatively prime to 21494619.
21494619 has 16 divisors, whose sum is 32622240
The reverse of 21494619 is 91649412
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred ninety-four thousand six hundred nineteen
Scientific notation
2.1494619 × 10^7
Engineering notation
2.1494619 × 10^6
Prime Factorization
9 × 3 × 41 × 19417
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21494619
Product of the distinct prime numbers
The prime factorization of 21494619 is 9 × 3 × 41 × 19417.
Since it has a total of 4 prime factors.
9 , 7 , 100 , 94 , 552 , 695 , 366 , 6558 , 30819 , 37771 , 460310 , 923664 , 3442926 , 3362448 , 98978921 , 56152085 , 701670217 , 550858335 , 4183585151 , 1701731352
n×2
42989238
n×3
64483857
n×4
85978476
n×5
107473095
n÷2
10747309.5
n÷3
7164873
n÷3
5373654.75
n÷5
4298923.8
n2
462018645955161
n3
9.9309147657021E+21
n4
2.1346122921024E+29
n5
4.5882677931458E+36
2 √n
4636.2289632847
3 √n
278.04168844994
4 √n
68.089859474702
5 √n
29.272913558943
1 , 3 , 9 , 27 , 41 , 123 , 369 , 1107 , 19417 , 58251 , 174753 , 524259 , 796097 , 2388291 , 7164873 , 21494619
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
-21494618
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 21494619 can be divided by 16 positive divisors.
The sum of these divisors (counting 21494619) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111101101011011
3
Ternary
1111110001002000
4
Quaternary
1101333231123
5
Quinary
21000311434
6
Senary
2044412043
8
Octal
121775533
10
Decimal
21494619
12
Duodecimal
7247023
16
Hexadecimal
147fb5b
20
Vigesimal
6e6gaj
36
Base36
cspcr
md5
f2187c99cc75eb6e67b275f0e7c86a0d
sha1
84dc275238f41e610cae3e8b35b110af708bf29f
sha256
c6486cacc722d358c95d2f8bd0f99708f9fe0d0cbfb636602b9545edef2e7089
sha512
7a4d3efea5084a62fe6915e594309e909abeaae17b083ed68d3cc79d231ec1c48abd160a9ac904bcfeb36a01168fe46e20929120343cfb20f2db4e955f181f06
ripemd-160
55e65ea1c66d4ac86edcf62403a8fb72d6438670
Diameter
42989238
Circumference
135054674.28422
Area
1.4514743839542E+15
Volume
4.1598518495141E+22
Surface area
5.805897535817E+15
Circumference
135054674.28422
Perimeter
85978476
Area
462018645955161
Diagonal
30397981.707842
Surface area
2772111875730966
Volume
9.9309147657021E+21
Space diagonal
37229772.197335
Perimeter
64483857
Area
2.0005994220963E+14
Altitude
18614886.098668
Surface area
2.0005994220963E+14
Volume
1.1703695290356E+21
Height
10132660.569281