21904025 is an odd 8-digits composite number following 21904024
and preceding 21904026 . In scientific notation, it is written as 2.1904025 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 14678400 positive integers (up to 21904025) that are relatively prime to 21904025.
21904025 has 24 divisors, whose sum is 29388744
The reverse of 21904025 is 52040912
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million nine hundred four thousand twenty-five
Scientific notation
2.1904025 × 10^7
Engineering notation
2.1904025 × 10^6
Prime Factorization
65 × 5 × 11 × 11 × 557
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1991275
Product of the distinct prime numbers
The prime factorization of 21904025 is 65 × 5 × 11 × 11 × 557.
Since it has a total of 5 prime factors.
10 , 9 , 82 , 91 , 237 , 561 , 7374 , 2784 , 34071 , 15882 , 967845 , 461158 , 2129929 , 1947842 , 8989728 , 40600086 , 707786998 , 453833585 , 4113172608 , 436634799
n×2
43808050
n×3
65712075
n×4
87616100
n×5
109520125
n÷2
10952012.5
n÷3
7301341.6666667
n÷3
5476006.25
n÷5
4380805
n2
479786311200625
n3
1.0509251355196E+22
n4
2.301949044155E+29
n5
5.0421949411898E+36
2 √n
4680.1736078911
3 √n
279.79587588655
4 √n
68.411794362457
5 √n
29.383585249336
1 , 5 , 11 , 55 , 65 , 121 , 325 , 557 , 605 , 715 , 2785 , 3575 , 6127 , 7865 , 30635 , 36205 , 39325 , 67397 , 181025 , 336985 , 398255 , 1991275 , 4380805 , 21904025
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
-21904024
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 21904025 can be divided by 24 positive divisors.
The sum of these divisors (counting 21904025) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011100011101010011001
3
Ternary
1112012211200012
4
Quaternary
1103203222121
5
Quinary
21101412100
6
Senary
2101251305
8
Octal
123435231
10
Decimal
21904025
12
Duodecimal
7403b35
16
Hexadecimal
14e3a99
20
Vigesimal
6gi015
36
Base36
d1h95
md5
d283ce381266ca65780130960422bc99
sha1
8154878979bb02e95b8f6d9916eafc30e2feba13
sha256
0465c6b27eeb3e41b1493a86b82cbced4da2c86733a48ac1b7cd636fff8e72ff
sha512
9f2dbe43873b61f74761ae18a0ac29f59248079bebd0a9518ad92d317a84403863a0a3042bd3b63fe92f136d3509dbecca5344ab570d3e92cdfc35fbfede8d3e
ripemd-160
6411ba858703590fbd02e15944694b4ea7a4495f
Diameter
43808050
Circumference
137627048.04809
Area
1.5072931505608E+15
Volume
4.4021049136284E+22
Surface area
6.0291726022433E+15
Circumference
137627048.04809
Perimeter
87616100
Area
479786311200625
Diagonal
30976969.225559
Surface area
2878717867203750
Volume
1.0509251355196E+22
Space diagonal
37938884.190259
Perimeter
65712075
Area
2.0775356694388E+14
Altitude
18969442.095129
Surface area
2.0775356694388E+14
Volume
1.2385271497422E+21
Height
10325656.40852