21541925 is an odd 8-digits composite number following 21541924
and preceding 21541926 . In scientific notation, it is written as 2.1541925 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 16228800 positive integers (up to 21541925) that are relatively prime to 21541925.
21541925 has 16 divisors, whose sum is 23749440
The reverse of 21541925 is 52914512
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million five hundred forty-one thousand nine hundred twenty-five
Scientific notation
2.1541925 × 10^7
Engineering notation
2.1541925 × 10^6
Prime Factorization
43 × 29 × 25 × 691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21541925
Product of the distinct prime numbers
The prime factorization of 21541925 is 43 × 29 × 25 × 691.
Since it has a total of 4 prime factors.
7 , 7 , 68 , 94 , 273 , 776 , 3585 , 3107 , 53274 , 80245 , 897520 , 305814 , 6541501 , 1112915 , 45696593 , 66468204 , 380699947 , 248221214 , 6903938288 , 3958297328
n×2
43083850
n×3
64625775
n×4
86167700
n×5
107709625
n÷2
10770962.5
n÷3
7180641.6666667
n÷3
5385481.25
n÷5
4308385
n2
464054532705625
n3
9.9966279394546E+21
n4
2.1534660932464E+29
n5
4.6389805070756E+36
2 √n
4641.3279349772
3 √n
278.24551314817
4 √n
68.127292144758
5 √n
29.285787171508
1 , 25 , 29 , 43 , 691 , 725 , 1075 , 1247 , 17275 , 20039 , 29713 , 31175 , 500975 , 742825 , 861677 , 21541925
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21541924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21541925 can be divided by 16 positive divisors.
The sum of these divisors (counting 21541925) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010001011010000100101
3
Ternary
1111112102222002
4
Quaternary
1102023100211
5
Quinary
21003320200
6
Senary
2045415045
8
Octal
122132045
10
Decimal
21541925
12
Duodecimal
726a485
16
Hexadecimal
148b425
20
Vigesimal
6eceg5
36
Base36
ctput
md5
cf108b07d2c356abaccbde6da7177cf1
sha1
43202b78be7b07178f20ede405301c3d4e47df8e
sha256
ae3e172c3ac8036379aa1340f670de550ddfc6bb112fb089ca3a6d73c477d110
sha512
64e7000f8bff4e0f7bca8c5b8ce38a947c3b4cde575c72935e8022d895fa19f89184b24885b16c0300e77e5d94703453407f779198ab3e64fb7b80d988d8f24e
ripemd-160
241f6aa3fb6b75b8bec2328302f69806f97d8395
Diameter
43083850
Circumference
135351906.64836
Area
1.457870310813E+15
Volume
4.1873777193681E+22
Surface area
5.8314812432521E+15
Circumference
135351906.64836
Perimeter
86167700
Area
464054532705625
Diagonal
30464882.494624
Surface area
2784327196233750
Volume
9.9966279394546E+21
Space diagonal
37311708.592838
Perimeter
64625775
Area
2.0094150703219E+14
Altitude
18655854.296419
Surface area
2.0094150703219E+14
Volume
1.1781139008312E+21
Height
10154960.831541