21095887 is an odd 8-digits composite number following 21095886
and preceding 21095888 . In scientific notation, it is written as 2.1095887 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 21028176 positive integers (up to 21095887) that are relatively prime to 21095887.
21095887 has 4 divisors, whose sum is 21163600
The reverse of 21095887 is 78859012
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million ninety-five thousand eight hundred eighty-seven
Scientific notation
2.1095887 × 10^7
Engineering notation
2.1095887 × 10^6
Prime Factorization
313 × 67399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21095887
Product of the distinct prime numbers
The prime factorization of 21095887 is 313 × 67399.
Since it has a total of 2 prime factors.
10 , 3 , 80 , 100 , 126 , 814 , 9187 , 6647 , 85230 , 68469 , 327255 , 740928 , 5484232 , 194304 , 51631637 , 14428295 , 409118998 , 77819653 , 3062804580 , 2246722926
n×2
42191774
n×3
63287661
n×4
84383548
n×5
105479435
n÷2
10547943.5
n÷3
7031962.3333333
n÷3
5273971.75
n÷5
4219177.4
n2
445036448316769
n3
9.3884386245719E+21
n4
1.980574403304E+29
n5
4.1781973807194E+36
2 √n
4593.0259089189
3 √n
276.31169277962
4 √n
67.771866647739
5 √n
29.163494247047
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
-21095886
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 21095887 can be divided by 4 positive divisors.
The sum of these divisors (counting 21095887) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011110010111001111
3
Ternary
1110200210010011
4
Quaternary
1100132113033
5
Quinary
20400032022
6
Senary
2032054051
8
Octal
120362717
10
Decimal
21095887
12
Duodecimal
7094327
16
Hexadecimal
141e5cf
20
Vigesimal
6bgje7
36
Base36
ck5ov
md5
075cc1f5b21192ea937b8b423f7ed8ec
sha1
e1e87025cfa4fdfba459ee18ddc7c6debfb0fe8f
sha256
8c47199cecdab06516cdb070b84f3dcd28cbd2b387f7e7b8f1df6a36cb1dbc19
sha512
9cc5ca9e5cc463ddb84b84edf796a88640876a09622f239c9e74976ab2f726905e5f499ba8a46dcec331d8626e55fed6d1a8993ae1eb85f7da48c309ff9d0917
ripemd-160
d9c562005b7e71c99c29df22ac32c6f4c319bb79
Diameter
42191774
Circumference
132549367.24032
Area
1.3981232366117E+15
Volume
3.9326199748845E+22
Surface area
5.5924929464466E+15
Circumference
132549367.24032
Perimeter
84383548
Area
445036448316769
Diagonal
29834089.50569
Surface area
2670218689900614
Volume
9.3884386245719E+21
Space diagonal
36539148.114732
Perimeter
63287661
Area
1.9270643492616E+14
Altitude
18269574.057366
Surface area
1.9270643492616E+14
Volume
1.1064381026981E+21
Height
9944696.5018968