21054906 is an even 8-digits composite number following 21054905
and preceding 21054907 . In scientific notation, it is written as 2.1054906 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 6998400 positive integers (up to 21054906) that are relatively prime to 21054906.
21054906 has 24 divisors, whose sum is 45748404
The reverse of 21054906 is 60945012
Previous prime number is 401
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million fifty-four thousand nine hundred six
Scientific notation
2.1054906 × 10^7
Engineering notation
2.1054906 × 10^6
Prime Factorization
2 × 3 × 3 × 401 × 2917
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7018302
Product of the distinct prime numbers
The prime factorization of 21054906 is 2 × 3 × 3 × 401 × 2917.
Since it has a total of 5 prime factors.
4 , 9 , 63 , 25 , 28 , 192 , 4158 , 9835 , 40494 , 48500 , 233182 , 734884 , 7925659 , 7610527 , 56883425 , 91669202 , 674853749 , 830741476 , 5034185808 , 3988068455
n×2
42109812
n×3
63164718
n×4
84219624
n×5
105274530
n÷2
10527453
n÷3
7018302
n÷3
5263726.5
n÷5
4210981.2
n2
443309066668836
n3
9.3338307276601E+21
n4
1.9652292859079E+29
n5
4.1377717883239E+36
2 √n
4588.5625200056
3 √n
276.13265519769
4 √n
67.738929132409
5 √n
29.152154795681
1 , 2 , 3 , 6 , 9 , 18 , 401 , 802 , 1203 , 2406 , 2917 , 3609 , 5834 , 7218 , 8751 , 17502 , 26253 , 52506 , 1169717 , 2339434 , 3509151 , 7018302 , 10527453 , 21054906
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
-21054905
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 21054906 can be divided by 24 positive divisors.
The sum of these divisors (counting 21054906) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010100010110111010
3
Ternary
1110121200220100
4
Quaternary
1100110112322
5
Quinary
20342224111
6
Senary
2031140230
8
Octal
120242672
10
Decimal
21054906
12
Duodecimal
7074676
16
Hexadecimal
14145ba
20
Vigesimal
6bbh56
36
Base36
cja2i
md5
0ee9d185e515db98edba46ed4f5ce1b0
sha1
c860b687831c2b590028a66bf41a1fa5ef186806
sha256
b5bcb3894b5028a0e37e5d744bf260d0566b6534dc54bb4840f26c309a755127
sha512
8890062cf34940363418c0ce99dd5cf4b2d51c1ef22f7b6f9e1ef1e1f5bc820c400f2b070a7142e50e875a46c691f10eb179b5f04ef272b0788f42ce628a6b7a
ripemd-160
85ac1e0b47c3d7601dc46bf10edf4ba34674f9f9
Diameter
42109812
Circumference
132291876.02325
Area
1.3926965071166E+15
Volume
3.9097458725157E+22
Surface area
5.5707860284663E+15
Circumference
132291876.02325
Perimeter
84219624
Area
443309066668836
Diagonal
29776133.619691
Surface area
2659854400013016
Volume
9.3338307276601E+21
Space diagonal
36468166.940587
Perimeter
63164718
Area
1.9195845673159E+14
Altitude
18234083.470293
Surface area
1.9195845673159E+14
Volume
1.1000025003293E+21
Height
9925377.8732302