21493663 is an odd 8-digits composite number following 21493662
and preceding 21493664 . In scientific notation, it is written as 2.1493663 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 21477400 positive integers (up to 21493663) that are relatively prime to 21493663.
21493663 has 4 divisors, whose sum is 21509928
The reverse of 21493663 is 36639412
Previous prime number is 1451
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety-three thousand six hundred sixty-three
Scientific notation
2.1493663 × 10^7
Engineering notation
2.1493663 × 10^6
Prime Factorization
1451 × 14813
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21493663
Product of the distinct prime numbers
The prime factorization of 21493663 is 1451 × 14813.
Since it has a total of 2 prime factors.
9 , 4 , 38 , 96 , 270 , 109 , 8132 , 4099 , 64909 , 9215 , 669853 , 286291 , 5380391 , 9899213 , 3715293 , 15365768 , 961842867 , 119785832 , 8052494273 , 6476881648
n×2
42987326
n×3
64480989
n×4
85974652
n×5
107468315
n÷2
10746831.5
n÷3
7164554.3333333
n÷3
5373415.75
n÷5
4298732.6
n2
461977549157569
n3
9.9295897551587E+21
n4
2.1342325592563E+29
n5
4.5872475392283E+36
2 √n
4636.1258611043
3 √n
278.03756630516
4 √n
68.08910236671
5 √n
29.272653164439
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21493662
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493663 can be divided by 4 positive divisors.
The sum of these divisors (counting 21493663) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111011110011111
3
Ternary
1111102222202121
4
Quaternary
1101333132133
5
Quinary
21000244123
6
Senary
2044403411
8
Octal
121773637
10
Decimal
21493663
12
Duodecimal
7246567
16
Hexadecimal
147f79f
20
Vigesimal
6e6e33
36
Base36
csom7
md5
2218d830d942ff2376b526284cc6c026
sha1
19bed573305dfb477b0802702fea6a91ae41e81f
sha256
faf5f088eaee4100489c4441f6b4cb36876271fd1b818544f23b2ed97112a59c
sha512
8a284ca32dbf17dc0022b40280d9421395f656ae0d93c999a8b50f473b42c9b921fef5cf9cae1d26aaea282b3af4abeb854f70938ca8df5d792c858aef5a8889
ripemd-160
153357bacd879d5e3d7125ad619144bb667efe09
Diameter
42987326
Circumference
135048667.55907
Area
1.4513452745568E+15
Volume
4.1592968303956E+22
Surface area
5.8053810982273E+15
Circumference
135048667.55907
Perimeter
85974652
Area
461977549157569
Diagonal
30396629.719677
Surface area
2771865294945414
Volume
9.9295897551587E+21
Space diagonal
37228116.356763
Perimeter
64480989
Area
2.0004214677426E+14
Altitude
18614058.178382
Surface area
2.0004214677426E+14
Volume
1.1702133750455E+21
Height
10132209.906559