21093555 is an odd 8-digits composite number following 21093554
and preceding 21093556 . In scientific notation, it is written as 2.1093555 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 9642720 positive integers (up to 21093555) that are relatively prime to 21093555.
21093555 has 8 divisors, whose sum is 25714176
The reverse of 21093555 is 55539012
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million ninety-three thousand five hundred fifty-five
Scientific notation
2.1093555 × 10^7
Engineering notation
2.1093555 × 10^6
Prime Factorization
15 × 7 × 200891
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21093555
Product of the distinct prime numbers
The prime factorization of 21093555 is 15 × 7 × 200891.
Since it has a total of 3 prime factors.
8 , 10 , 95 , 29 , 786 , 324 , 6529 , 7508 , 84956 , 86532 , 510540 , 143436 , 5206734 , 2318806 , 39720296 , 214821 , 746687243 , 409518389 , 8888515757 , 9797530189
n×2
42187110
n×3
63280665
n×4
84374220
n×5
105467775
n÷2
10546777.5
n÷3
7031185
n÷3
5273388.75
n÷5
4218711
n2
444938062538025
n3
9.3853254937393E+21
n4
1.9796987949509E+29
n5
4.1758885414731E+36
2 √n
4592.7720387583
3 √n
276.30151097479
4 √n
67.769993645848
5 √n
29.162849455236
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21093554
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21093555 can be divided by 8 positive divisors.
The sum of these divisors (counting 21093555) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011101110010110011
3
Ternary
1110200122220210
4
Quaternary
1100131302303
5
Quinary
20344443210
6
Senary
2032035203
8
Octal
120356263
10
Decimal
21093555
12
Duodecimal
7092b03
16
Hexadecimal
141dcb3
20
Vigesimal
6bgdhf
36
Base36
ck3w3
md5
2f13cdec999248dffdcf0d51baa53ddb
sha1
58c015f2509c30730b835a20f2e8d49be8943ebb
sha256
940c92555086622a3fb75fe3c467a01002b28e4f036b903b22a75ce8433be28d
sha512
cdf8d640ed20ebf64a2e185fdf634f3985c4665781e27e04e876b456757aba77304ef4b5da5332338878ab652f97b4f973a9b823fb313b01bedb5ce51e97a82e
ripemd-160
ba69d6226a55588143a85af3ab02890d3247e5d3
Diameter
42187110
Circumference
132534714.85218
Area
1.3978141485719E+15
Volume
3.9313159496907E+22
Surface area
5.5912565942877E+15
Circumference
132534714.85218
Perimeter
84374220
Area
444938062538025
Diagonal
29830791.559663
Surface area
2669628375228150
Volume
9.3853254937393E+21
Space diagonal
36535108.972249
Perimeter
63280665
Area
1.9266383263428E+14
Altitude
18267554.486124
Surface area
1.9266383263428E+14
Volume
1.106071216711E+21
Height
9943597.1865543