21105873 is an odd 8-digits composite number following 21105872
and preceding 21105874 . In scientific notation, it is written as 2.1105873 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 13666320 positive integers (up to 21105873) that are relatively prime to 21105873.
21105873 has 24 divisors, whose sum is 32192160
The reverse of 21105873 is 37850112
Previous prime number is 571
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred five thousand eight hundred seventy-three
Scientific notation
2.1105873 × 10^7
Engineering notation
2.1105873 × 10^6
Prime Factorization
3 × 9 × 37 × 571 × 37
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
570429
Product of the distinct prime numbers
The prime factorization of 21105873 is 3 × 9 × 37 × 571 × 37.
Since it has a total of 5 prime factors.
3 , 9 , 21 , 6 , 849 , 706 , 5710 , 9651 , 1073 , 53180 , 722419 , 249554 , 3423910 , 70750 , 58864289 , 36313927 , 660439496 , 268907111 , 228293417 , 285160613
n×2
42211746
n×3
63317619
n×4
84423492
n×5
105529365
n÷2
10552936.5
n÷3
7035291
n÷3
5276468.25
n÷5
4221174.6
n2
445457875092129
n3
9.4017773385443E+21
n4
1.9843271848159E+29
n5
4.1880957553173E+36
2 √n
4594.1128632196
3 √n
276.35528442545
4 √n
67.779885388068
5 √n
29.166254704826
1 , 3 , 9 , 27 , 37 , 111 , 333 , 571 , 999 , 1369 , 1713 , 4107 , 5139 , 12321 , 15417 , 21127 , 36963 , 63381 , 190143 , 570429 , 781699 , 2345097 , 7035291 , 21105873
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
-21105872
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 21105873 can be divided by 24 positive divisors.
The sum of these divisors (counting 21105873) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100000110011010001
3
Ternary
1110201021211000
4
Quaternary
1100200303101
5
Quinary
20400341443
6
Senary
2032212213
8
Octal
120406321
10
Decimal
21105873
12
Duodecimal
709a069
16
Hexadecimal
1420cd1
20
Vigesimal
6bi4dd
36
Base36
ckde9
md5
fd33238553f1899350109b1c082585e9
sha1
562d09fac273457a50c349438e1c86e58732ff1a
sha256
0e8690685646989f543cb392304beca682131cd2d594d358dbb3b55141123300
sha512
ccbdc5fcbf1b84861190a77b714ac84479e59160490d0e1b1dc82117962deaeeaaaaa45287a2fca336d3f3d330bc611718313e3d615e5d5c4333a8123d26c67b
ripemd-160
5797eb463cb32098ce6a8cd166870d59beb23f90
Diameter
42211746
Circumference
132612111.1288
Area
1.3994471878732E+15
Volume
3.9382072823277E+22
Surface area
5.5977887514926E+15
Circumference
132612111.1288
Perimeter
84423492
Area
445457875092129
Diagonal
29848211.842324
Surface area
2672747250552774
Volume
9.4017773385443E+21
Space diagonal
36556444.374096
Perimeter
63317619
Area
1.9288891807281E+14
Altitude
18278222.187048
Surface area
1.9288891807281E+14
Volume
1.1080100852151E+21
Height
9949403.9474414