21494916 is an even 8-digits composite number following 21494915
and preceding 21494917 . In scientific notation, it is written as 2.1494916 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 6916896 positive integers (up to 21494916) that are relatively prime to 21494916.
21494916 has 24 divisors, whose sum is 42282240
The reverse of 21494916 is 61949412
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred ninety-four thousand nine hundred sixteen
Scientific notation
2.1494916 × 10^7
Engineering notation
2.1494916 × 10^6
Prime Factorization
2 × 2 × 87 × 9 × 6863
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10747458
Product of the distinct prime numbers
The prime factorization of 21494916 is 2 × 2 × 87 × 9 × 6863.
Since it has a total of 5 prime factors.
4 , 7 , 7 , 44 , 595 , 303 , 7982 , 6539 , 66935 , 70019 , 89523 , 839031 , 8007128 , 4185951 , 50902006 , 82981818 , 382164404 , 628506186 , 5778076546 , 4989380990
n×2
42989832
n×3
64484748
n×4
85979664
n×5
107474580
n÷2
10747458
n÷3
7164972
n÷3
5373729
n÷5
4298983.2
n2
462031413847056
n3
9.9313264300037E+21
n4
2.1347302738151E+29
n5
4.5885847918312E+36
2 √n
4636.2609935162
3 √n
278.04296904954
4 √n
68.090094679889
5 √n
29.272994453676
1 , 2 , 4 , 9 , 18 , 36 , 87 , 174 , 348 , 783 , 1566 , 3132 , 6863 , 13726 , 27452 , 61767 , 123534 , 247068 , 597081 , 1194162 , 2388324 , 5373729 , 10747458 , 21494916
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
-21494915
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 21494916 can be divided by 24 positive divisors.
The sum of these divisors (counting 21494916) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111111110010000100
3
Ternary
1111110001111000
4
Quaternary
1101333302010
5
Quinary
21000314131
6
Senary
2044413300
8
Octal
121776204
10
Decimal
21494916
12
Duodecimal
7247230
16
Hexadecimal
147fc84
20
Vigesimal
6e6h5g
36
Base36
cspl0
md5
ba8e029823950fb757b57ff125f1516d
sha1
3d7a2081be5847d53c3d05711fca399e9b1a30a2
sha256
b4ca217c9c59b2e1c2edd8a392978ac4ffcfc12910a7620a656df58a3d0732d4
sha512
5f8019fb2b0128d4bec32656da4c1016b32aab869dd3ffa5d98ec54f249abdad1c9c9b2a5f6d8c56d6457fb2e97454a62d2e8a3bd4d0278b96b9e45684a45065
ripemd-160
b461935878dc2f8348eb82dc9a5ad2e96aabcb70
Diameter
42989832
Circumference
135056540.39026
Area
1.4515144954696E+15
Volume
4.1600242870536E+22
Surface area
5.8060579818785E+15
Circumference
135056540.39026
Perimeter
85979664
Area
462031413847056
Diagonal
30398401.72927
Surface area
2772188483082336
Volume
9.9313264300037E+21
Space diagonal
37230286.616425
Perimeter
64484748
Area
2.00065470869E+14
Altitude
18615143.308213
Surface area
2.00065470869E+14
Volume
1.1704180441388E+21
Height
10132800.576423