21053904 is an even 8-digits composite number following 21053903
and preceding 21053905 . In scientific notation, it is written as 2.1053904 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 20 positive divisors.
There are 7017952 positive integers (up to 21053904) that are relatively prime to 21053904.
21053904 has 20 divisors, whose sum is 54389376
The reverse of 21053904 is 40935012
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million fifty-three thousand nine hundred four
Scientific notation
2.1053904 × 10^7
Engineering notation
2.1053904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 438623
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2631738
Product of the distinct prime numbers
The prime factorization of 21053904 is 2 × 2 × 2 × 2 × 3 × 438623.
Since it has a total of 6 prime factors.
4 , 9 , 30 , 50 , 621 , 887 , 6591 , 5762 , 2688 , 13089 , 997461 , 932577 , 3125303 , 1064827 , 31915883 , 13725707 , 429622717 , 447946286 , 9033986703 , 6273914702
n×2
42107808
n×3
63161712
n×4
84215616
n×5
105269520
n÷2
10526952
n÷3
7017968
n÷3
5263476
n÷5
4210780.8
n2
443266873641216
n3
9.3324982040223E+21
n4
1.9648552126766E+29
n5
4.1367873021592E+36
2 √n
4588.4533341857
3 √n
276.12827475686
4 √n
67.738123196511
5 √n
29.151877321014
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 438623 , 877246 , 1315869 , 1754492 , 2631738 , 3508984 , 5263476 , 7017968 , 10526952 , 21053904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21053903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21053904 can be divided by 20 positive divisors.
The sum of these divisors (counting 21053904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000010100000111010000
3
Ternary
1110121122112020
4
Quaternary
1100110013100
5
Quinary
20342211104
6
Senary
2031131440
8
Octal
120240720
10
Decimal
21053904
12
Duodecimal
7073b80
16
Hexadecimal
14141d0
20
Vigesimal
6bbef4
36
Base36
cj9ao
md5
81c7983eb76c1dc04c1a4384565d89be
sha1
3aba2703e494a3395e46627507557ce095bb2f72
sha256
ed325285c0422929768b9ff50cc2622c95467d91712839fb6263b57e99f9d4e1
sha512
8af069bdb4c5641050408583d01dcb16e0ec973e876d6181043aed3c79a743f42cd49757927d99339cfbf68d8734a6659f7c08126e36f579a7d9e9c333da3c43
ripemd-160
b3e28c415dc7895f535d5562b331cc7e7efd0891
Diameter
42107808
Circumference
132285580.27157
Area
1.392563953811E+15
Volume
3.9091877063195E+22
Surface area
5.5702558152438E+15
Circumference
132285580.27157
Perimeter
84215616
Area
443266873641216
Diagonal
29774716.577701
Surface area
2659601241847296
Volume
9.3324982040223E+21
Space diagonal
36466431.425678
Perimeter
63161712
Area
1.919401866147E+14
Altitude
18233215.712839
Surface area
1.919401866147E+14
Volume
1.0998454609126E+21
Height
9924905.5259004