21493650 is an even 8-digits composite number following 21493649
and preceding 21493651 . In scientific notation, it is written as 2.1493650 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 5731600 positive integers (up to 21493650) that are relatively prime to 21493650.
21493650 has 24 divisors, whose sum is 53304624
The reverse of 21493650 is 05639412
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million four hundred ninety-three thousand six hundred fifty
Scientific notation
2.1493650 × 10^7
Engineering notation
2.1493650 × 10^6
Prime Factorization
2 × 3 × 5 × 5 × 143291
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4298730
Product of the distinct prime numbers
The prime factorization of 21493650 is 2 × 3 × 5 × 5 × 143291.
Since it has a total of 5 prime factors.
6 , 8 , 87 , 67 , 67 , 454 , 6434 , 2132 , 81565 , 78921 , 796672 , 661601 , 8185697 , 1274793 , 35253434 , 6708587 , 9077587 , 417841797 , 2870685072 , 1277530606
n×2
42987300
n×3
64480950
n×4
85974600
n×5
107468250
n÷2
10746825
n÷3
7164550
n÷3
5373412.5
n÷5
4298730
n2
461976990322500
n3
9.9295717380452E+21
n4
2.1342273958744E+29
n5
4.5872336667335E+36
2 √n
4636.1244590714
3 √n
278.03751025005
4 √n
68.089092071134
5 √n
29.272649623446
1 , 2 , 3 , 5 , 6 , 10 , 15 , 25 , 30 , 50 , 75 , 150 , 143291 , 286582 , 429873 , 716455 , 859746 , 1432910 , 2149365 , 3582275 , 4298730 , 7164550 , 10746825 , 21493650
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
-21493649
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 21493650 can be divided by 24 positive divisors.
The sum of these divisors (counting 21493650) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001111111011110010010
3
Ternary
1111102222202010
4
Quaternary
1101333132102
5
Quinary
21000244100
6
Senary
2044403350
8
Octal
121773622
10
Decimal
21493650
12
Duodecimal
7246556
16
Hexadecimal
147f792
20
Vigesimal
6e6e2a
36
Base36
csolu
md5
570478d5b9e23e37d8de3aa53ca2e2d5
sha1
0903d699b42ef4deb3e6f4f1f0ca8475c0e44888
sha256
fa6e1ce98f27bc2c5d9c3a304e744c31a3b95bb7c3d6bb586393e75ecff757fe
sha512
347438f52e7e6a1c1b7c1679791642847c34c539da7df078411c70a4a1527b212b8dd058d58c555f99bf970957663520ac4aecb76db19f39835fea674f17ae55
ripemd-160
8de66acacddbff17eff533ee624a1e827d7db580
Diameter
42987300
Circumference
135048585.87766
Area
1.4513435189247E+15
Volume
4.1592892834048E+22
Surface area
5.8053740756988E+15
Circumference
135048585.87766
Perimeter
85974600
Area
461976990322500
Diagonal
30396611.3349
Surface area
2771861941935000
Volume
9.9295717380452E+21
Space diagonal
37228093.840103
Perimeter
64480950
Area
2.0004190479158E+14
Altitude
18614046.920051
Surface area
2.0004190479158E+14
Volume
1.1702112517083E+21
Height
10132203.7783