21025853 is an odd 8-digits composite number following 21025852
and preceding 21025854 . In scientific notation, it is written as 2.1025853 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 20915580 positive integers (up to 21025853) that are relatively prime to 21025853.
21025853 has 4 divisors, whose sum is 21136128
The reverse of 21025853 is 35852012
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million twenty-five thousand eight hundred fifty-three
Scientific notation
2.1025853 × 10^7
Engineering notation
2.1025853 × 10^6
Prime Factorization
191 × 110083
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21025853
Product of the distinct prime numbers
The prime factorization of 21025853 is 191 × 110083.
Since it has a total of 2 prime factors.
2 , 10 , 45 , 58 , 632 , 783 , 2494 , 1927 , 66619 , 49365 , 854190 , 289761 , 6104435 , 868886 , 74216993 , 25970601 , 398739808 , 387350530 , 415159867 , 8678912949
n×2
42051706
n×3
63077559
n×4
84103412
n×5
105129265
n÷2
10512926.5
n÷3
7008617.6666667
n÷3
5256463.25
n÷5
4205170.6
n2
442086494377609
n3
9.2952456440689E+21
n4
1.9544046851108E+29
n5
4.1093025611652E+36
2 √n
4585.3956208816
3 √n
276.00558782358
4 √n
67.715549328656
5 √n
29.144105123869
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
-21025852
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 21025853 can be divided by 4 positive divisors.
The sum of these divisors (counting 21025853) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000001101010000111101
3
Ternary
1110120020001022
4
Quaternary
1100031100331
5
Quinary
20340311403
6
Senary
2030353525
8
Octal
120152075
10
Decimal
21025853
12
Duodecimal
705b8a5
16
Hexadecimal
140d43d
20
Vigesimal
6b84cd
36
Base36
cinnh
md5
ef6bafeced2d9c78aaaf874152e40559
sha1
0d22b675cb2af02b856df699b5d69d2ec441d4b6
sha256
5f1c33f093d6c57aee3ed89b1e4df9dc426823970318962bdd103552e01b520c
sha512
735b775168c7997a510caff8db8d46a42ed7f2b93d297fd74608e76a6b5de668e080ead2a1b1c54cfddc1d3d989b6ba946608c8271bc326a9758591d76d0e140
ripemd-160
7fdd16fcda69ba75a94bf6f15b437c0da9fb63a1
Diameter
42051706
Circumference
132109330.64052
Area
1.388855682988E+15
Volume
3.8935833904959E+22
Surface area
5.5554227319518E+15
Circumference
132109330.64052
Perimeter
84103412
Area
442086494377609
Diagonal
29735046.473063
Surface area
2652518966265654
Volume
9.2952456440689E+21
Space diagonal
36417845.668475
Perimeter
63077559
Area
1.9142906740051E+14
Altitude
18208922.834237
Surface area
1.9142906740051E+14
Volume
1.0954552046193E+21
Height
9911682.1576877