21053910 is an even 8-digits composite number following 21053909
and preceding 21053911 . In scientific notation, it is written as 2.1053910 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 5477120 positive integers (up to 21053910) that are relatively prime to 21053910.
21053910 has 32 divisors, whose sum is 51764832
The reverse of 21053910 is 01935012
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million fifty-three thousand nine hundred ten
Scientific notation
2.1053910 × 10^7
Engineering notation
2.1053910 × 10^6
Prime Factorization
2 × 3 × 5 × 41 × 17117
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21053910
Product of the distinct prime numbers
The prime factorization of 21053910 is 2 × 3 × 5 × 41 × 17117.
Since it has a total of 5 prime factors.
1 , 2 , 4 , 86 , 663 , 618 , 2829 , 7362 , 59849 , 14264 , 23759 , 75500 , 788268 , 6241166 , 19526978 , 66131871 , 410474224 , 576709424 , 7007137433 , 5615640214
n×2
42107820
n×3
63161730
n×4
84215640
n×5
105269550
n÷2
10526955
n÷3
7017970
n÷3
5263477.5
n÷5
4210782
n2
443267126288100
n3
9.3325061828283E+21
n4
1.9648574524771E+29
n5
4.1367931967282E+36
2 √n
4588.4539880008
3 √n
276.12830098746
4 √n
67.73812802256
5 √n
29.15187898257
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 41 , 82 , 123 , 205 , 246 , 410 , 615 , 1230 , 17117 , 34234 , 51351 , 85585 , 102702 , 171170 , 256755 , 513510 , 701797 , 1403594 , 2105391 , 3508985 , 4210782 , 7017970 , 10526955 , 21053910
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21053909
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21053910 can be divided by 32 positive divisors.
The sum of these divisors (counting 21053910) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000010100000111010110
3
Ternary
1110121122112110
4
Quaternary
1100110013112
5
Quinary
20342211120
6
Senary
2031131450
8
Octal
120240726
10
Decimal
21053910
12
Duodecimal
7073b86
16
Hexadecimal
14141d6
20
Vigesimal
6bbefa
36
Base36
cj9au
md5
682dd5bf6469efe3b5107b7c98fd343a
sha1
0090029728b1ef8e6c6cb0ff8d023efa259edce7
sha256
73c10e77c08a621c8140934b66a9674163a102ccc27c2060265ec011d6bbcc26
sha512
894ece2e208fefefc7938c12acdf81fbda6594c35b7328dd8e9d4b095e4bf9dadf340ef9142e383c8dcbb1d1b221ad2999c3c94e26aa222287515ffeb6e8c90e
ripemd-160
7f9107038ba3e17ece8286d869cac6843dae5742
Diameter
42107820
Circumference
132285617.97068
Area
1.3925647475246E+15
Volume
3.909191048474E+22
Surface area
5.5702589900982E+15
Circumference
132285617.97068
Perimeter
84215640
Area
443267126288100
Diagonal
29774725.062983
Surface area
2659602757728600
Volume
9.3325061828283E+21
Space diagonal
36466441.817982
Perimeter
63161730
Area
1.9194029601401E+14
Altitude
18233220.908991
Surface area
1.9194029601401E+14
Volume
1.0998464012239E+21
Height
9924908.3543275