21494518 is an even 8-digits composite number following 21494517
and preceding 21494519 . In scientific notation, it is written as 2.1494518 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10747258 positive integers (up to 21494518) that are relatively prime to 21494518.
21494518 has 4 divisors, whose sum is 32241780
The reverse of 21494518 is 81549412
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million four hundred ninety-four thousand five hundred eighteen
Scientific notation
2.1494518 × 10^7
Engineering notation
2.1494518 × 10^6
Prime Factorization
2 × 10747259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21494518
Product of the distinct prime numbers
The prime factorization of 21494518 is 2 × 10747259.
Since it has a total of 2 prime factors.
7 , 5 , 6 , 7 , 94 , 861 , 1878 , 2981 , 22979 , 34446 , 705597 , 632397 , 1187795 , 6111146 , 56737136 , 14976249 , 16135397 , 328192704 , 5564829902 , 9552964858
n×2
42989036
n×3
64483554
n×4
85978072
n×5
107472590
n÷2
10747259
n÷3
7164839.3333333
n÷3
5373629.5
n÷5
4298903.6
n2
462014304052324
n3
9.9307747747102E+21
n4
2.1345721714895E+29
n5
4.5881599962381E+36
2 √n
4636.2180707987
3 √n
278.04125295716
4 √n
68.089779488545
5 √n
29.272886049083
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
-21494517
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 21494518 can be divided by 4 positive divisors.
The sum of these divisors (counting 21494518) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111111101011110110
3
Ternary
1111110000221021
4
Quaternary
1101333223312
5
Quinary
21000311033
6
Senary
2044411354
8
Octal
121775366
10
Decimal
21494518
12
Duodecimal
7246b5a
16
Hexadecimal
147faf6
20
Vigesimal
6e6g5i
36
Base36
csp9y
md5
c1ea14aab47abbb728ccda25707e789f
sha1
f0069152d0b7bbd990fd1d09d17e7312a1d33259
sha256
fe70b69593a1771551a5583e8c3573441d3f545c51d0f2a6f0a0c97f20f73fe7
sha512
785d7804aa2791e3f621b65019f32e739507dc759f64c19a7c3f51fab1fc3c5ef73648c0d0b57f13707da0858a777dd890aab7b16932f6c4a69662de34bcdde5
ripemd-160
ef8f673b46d40a66bac566ca81b3b7757f883290
Diameter
42989036
Circumference
135054039.68251
Area
1.4514607434642E+15
Volume
4.1597932102246E+22
Surface area
5.8058429738567E+15
Circumference
135054039.68251
Perimeter
85978072
Area
462014304052324
Diagonal
30397838.872273
Surface area
2772085824313944
Volume
9.9307747747102E+21
Space diagonal
37229597.260204
Perimeter
64483554
Area
2.0005806211055E+14
Altitude
18614798.630102
Surface area
2.0005806211055E+14
Volume
1.170353030939E+21
Height
10132612.957424