21093925 is an odd 8-digits composite number following 21093924
and preceding 21093926 . In scientific notation, it is written as 2.1093925 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 16875120 positive integers (up to 21093925) that are relatively prime to 21093925.
21093925 has 6 divisors, whose sum is 26156498
The reverse of 21093925 is 52939012
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million ninety-three thousand nine hundred twenty-five
Scientific notation
2.1093925 × 10^7
Engineering notation
2.1093925 × 10^6
Prime Factorization
5 × 5 × 843757
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
4218785
Product of the distinct prime numbers
The prime factorization of 21093925 is 5 × 5 × 843757.
Since it has a total of 3 prime factors.
8 , 1 , 9 , 56 , 990 , 72 , 480 , 4225 , 25177 , 94604 , 25631 , 667052 , 9123237 , 9434965 , 77859270 , 11350454 , 749881348 , 569370888 , 822586241 , 5126574238
n×2
42187850
n×3
63281775
n×4
84375700
n×5
105469625
n÷2
10546962.5
n÷3
7031308.3333333
n÷3
5273481.25
n÷5
4218785
n2
444953671905625
n3
9.3858193836519E+21
n4
1.979837701423E+29
n5
4.1762547985989E+36
2 √n
4592.8123192658
3 √n
276.30312649134
4 √n
67.770290830613
5 √n
29.16295176306
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21093924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21093925 can be divided by 6 positive divisors.
The sum of these divisors (counting 21093925) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000011101111000100101
3
Ternary
1110200200102111
4
Quaternary
1100131320211
5
Quinary
20400001200
6
Senary
2032041021
8
Octal
120357045
10
Decimal
21093925
12
Duodecimal
7093171
16
Hexadecimal
141de25
20
Vigesimal
6bgeg5
36
Base36
ck46d
md5
cd41dead1e20fbfbecff2a2eba72a403
sha1
58e484bd058f3c62aa930a12dc810fd27acb78bb
sha256
a183fd429da28b4a6212d38fa6060b30d55a76a3631f6fdc36fef715ae347499
sha512
fcf69a8e4d32ed7085cc873f7fcce118626d453bd19b87d7b3cfbe1aa1b0fa1c68763d160b1c0deed8863652427f9040b4397ef1e270edfcc9c30d5a73451f2a
ripemd-160
50566529d836f71be8cd78b6b29317d14af9bb8b
Diameter
42187850
Circumference
132537039.63075
Area
1.3978631868465E+15
Volume
3.9315228298135E+22
Surface area
5.5914527473861E+15
Circumference
132537039.63075
Perimeter
84375700
Area
444953671905625
Diagonal
29831314.818681
Surface area
2669722031433750
Volume
9.3858193836519E+21
Space diagonal
36535749.831047
Perimeter
63281775
Area
1.9267059168872E+14
Altitude
18267874.915524
Surface area
1.9267059168872E+14
Volume
1.1061294221954E+21
Height
9943771.606227