21804025 is an odd 8-digits composite number following 21804024
and preceding 21804026 . In scientific notation, it is written as 2.1804025 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 17443200 positive integers (up to 21804025) that are relatively prime to 21804025.
21804025 has 4 divisors, whose sum is 22676212
The reverse of 21804025 is 52040812
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million eight hundred four thousand twenty-five
Scientific notation
2.1804025 × 10^7
Engineering notation
2.1804025 × 10^6
Prime Factorization
25 × 872161
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21804025
Product of the distinct prime numbers
The prime factorization of 21804025 is 25 × 872161.
Since it has a total of 2 prime factors.
1 , 6 , 79 , 40 , 895 , 921 , 9308 , 150 , 89248 , 69360 , 96557 , 495397 , 9542689 , 9066903 , 84855009 , 48905908 , 694137587 , 927960109 , 4437035516 , 7731903872
n×2
43608050
n×3
65412075
n×4
87216100
n×5
109020125
n÷2
10902012.5
n÷3
7268008.3333333
n÷3
5451006.25
n÷5
4360805
n2
475415506200625
n3
1.0365971582586E+22
n4
2.26019903536E+29
n5
4.9281436271965E+36
2 √n
4669.4780222205
3 √n
279.36943561696
4 √n
68.333579023936
5 √n
29.356706726789
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
-21804024
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 21804025 can be divided by 4 positive divisors.
The sum of these divisors (counting 21804025) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011001011001111111001
3
Ternary
1112000202111111
4
Quaternary
1103023033321
5
Quinary
21040212100
6
Senary
2055200321
8
Octal
123131771
10
Decimal
21804025
12
Duodecimal
73760a1
16
Hexadecimal
14cb3f9
20
Vigesimal
6g5a15
36
Base36
czc3d
md5
d177931dbbf594711dc1f7fb0134dcfd
sha1
f4096a4aac00c914e835b694204ceb2ea214dbcf
sha256
bf6e60182348fb069b0d6ba5008ebfa3b50c46049b6b0370903c736bf8653b73
sha512
3c4b3bca34ba915adb6824ceb568415c6d91f6ba6786824b67664d3eb844d50d859ef057fff15fd4dd74f9f52727f73afe72be5e56d62b5bfb738a90b991415b
ripemd-160
3d4c196b77c0eefc5f05f648cc616fc3e7ea4a31
Diameter
43608050
Circumference
136998729.51738
Area
1.4935618616826E+15
Volume
4.3420880228231E+22
Surface area
5.9742474467302E+15
Circumference
136998729.51738
Perimeter
87216100
Area
475415506200625
Diagonal
30835547.869322
Surface area
2852493037203750
Volume
1.0365971582586E+22
Space diagonal
37765679.109502
Perimeter
65412075
Area
2.0586095286139E+14
Altitude
18882839.554751
Surface area
2.0586095286139E+14
Volume
1.2216414666056E+21
Height
10278515.956441