21049043 is an odd 8-digits composite number following 21049042
and preceding 21049044 . In scientific notation, it is written as 2.1049043 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 19810848 positive integers (up to 21049043) that are relatively prime to 21049043.
21049043 has 4 divisors, whose sum is 22287240
The reverse of 21049043 is 34094012
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million forty-nine thousand forty-three
Scientific notation
2.1049043 × 10^7
Engineering notation
2.1049043 × 10^6
Prime Factorization
17 × 1238179
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21049043
Product of the distinct prime numbers
The prime factorization of 21049043 is 17 × 1238179.
Since it has a total of 2 prime factors.
5 , 4 , 17 , 42 , 109 , 918 , 108 , 481 , 77183 , 2477 , 971894 , 434189 , 4368476 , 9996609 , 41784140 , 81469305 , 669411486 , 126872211 , 4929100152 , 4729932892
n×2
42098086
n×3
63147129
n×4
84196172
n×5
105245215
n÷2
10524521.5
n÷3
7016347.6666667
n÷3
5262260.75
n÷5
4209808.6
n2
443062211215849
n3
9.3260355355575E+21
n4
1.9630412300748E+29
n5
4.1320139262617E+36
2 √n
4587.9236044206
3 √n
276.10702196278
4 √n
67.73421295343
5 √n
29.150531058918
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
-21049042
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 21049043 can be divided by 4 positive divisors.
The sum of these divisors (counting 21049043) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010010111011010011
3
Ternary
1110121101212012
4
Quaternary
1100102323103
5
Quinary
20342032133
6
Senary
2031053135
8
Octal
120227323
10
Decimal
21049043
12
Duodecimal
70711ab
16
Hexadecimal
1412ed3
20
Vigesimal
6bb2c3
36
Base36
cj5jn
md5
5fc2f7ebcd832bc5d6c3871fa756546b
sha1
c0889877d5c0eb09136e2b44cf3bc0285e0d7cf2
sha256
384f288f3310246ca8e0bc929f53b1f3f6170ae2df94c5cf3d0509b72defa825
sha512
406a8bd69dfc656d0485c1d738b973ee74bf971cf43a681c75f23f5320a4d6552a30f5adfa2303e5a28acd47d2bd530b8bcbdf594d466bc97f1c3b958861ede3
ripemd-160
35ce9de14c1a8fea601b8e513e9e8df8e699e370
Diameter
42098086
Circumference
132255037.70779
Area
1.391920987839E+15
Volume
3.9064806300833E+22
Surface area
5.5676839513558E+15
Circumference
132255037.70779
Perimeter
84196172
Area
443062211215849
Diagonal
29767842.085574
Surface area
2658373267295094
Volume
9.3260355355575E+21
Space diagonal
36458011.926702
Perimeter
63147129
Area
1.9185156518492E+14
Altitude
18229005.963351
Surface area
1.9185156518492E+14
Volume
1.0990838281299E+21
Height
9922614.0285248