21000900 is an even 8-digits composite number following 21000899
and preceding 21000901 . In scientific notation, it is written as 2.1000900 × 10^7.
The sum of its digits is 12. It has a total of 5 prime factors and 24 positive divisors.
There are 5600160 positive integers (up to 21000900) that are relatively prime to 21000900.
21000900 has 24 divisors, whose sum is 50962912
The reverse of 21000900 is 00900012
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty-one million nine hundred
Scientific notation
2.1000900 × 10^7
Engineering notation
2.1000900 × 10^6
Prime Factorization
2 × 2 × 3 × 25 × 70003
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10500450
Product of the distinct prime numbers
The prime factorization of 21000900 is 2 × 2 × 3 × 25 × 70003.
Since it has a total of 5 prime factors.
9 , 3 , 52 , 94 , 945 , 213 , 5890 , 8950 , 11275 , 96050 , 365766 , 720923 , 5322152 , 4562843 , 67202650 , 17876983 , 90289957 , 300304728 , 3623176496 , 5527177660
n×2
42001800
n×3
63002700
n×4
84003600
n×5
105004500
n÷2
10500450
n÷3
7000300
n÷3
5250225
n÷5
4200180
n2
441037800810000
n3
9.2621907510307E+21
n4
1.9451434174332E+29
n5
4.0849762395173E+36
2 √n
4582.6738919543
3 √n
275.89635890206
4 √n
67.695449566085
5 √n
29.137184326634
1 , 2 , 3 , 4 , 6 , 12 , 25 , 50 , 75 , 100 , 150 , 300 , 70003 , 140006 , 210009 , 280012 , 420018 , 840036 , 1750075 , 3500150 , 5250225 , 7000300 , 10500450 , 21000900
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21000899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21000900 can be divided by 24 positive divisors.
The sum of these divisors (counting 21000900) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000000111001011000100
3
Ternary
1110111221211010
4
Quaternary
1100013023010
5
Quinary
20334012100
6
Senary
2030042220
8
Octal
120071304
10
Decimal
21000900
12
Duodecimal
7049370
16
Hexadecimal
14072c4
20
Vigesimal
6b5250
36
Base36
ci4ec
md5
de3cb20ddd6bea6bda841f4e4fcd2135
sha1
4f85a512f35fb077cb5ce701230edb7eabc86a1d
sha256
0f75edb5e1012de1fd5c656007eb9d02551670c61ba4621471b642f43452ef94
sha512
b02b94976775db910842512f71ac2bec97194a25d4d0f442ca098ba432ef0bc948ead460eb97bec1e3de863f7d0042ccba0d45ee4d2c8ceb64d766cd662b1faf
ripemd-160
e2c7c7b0da20789f53f42e7b3cb0d120de05af8e
Diameter
42001800
Circumference
131952546.31755
Area
1.3855611149801E+15
Volume
3.8797373892781E+22
Surface area
5.5422444599204E+15
Circumference
131952546.31755
Perimeter
84003600
Area
441037800810000
Diagonal
29699757.602041
Surface area
2646226804860000
Volume
9.2621907510307E+21
Space diagonal
36374625.804673
Perimeter
63002700
Area
1.9097496976534E+14
Altitude
18187312.902337
Surface area
1.9097496976534E+14
Volume
1.0915596481162E+21
Height
9899919.2006804