21086925 is an odd 8-digits composite number following 21086924
and preceding 21086926 . In scientific notation, it is written as 2.1086925 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 11246320 positive integers (up to 21086925) that are relatively prime to 21086925.
21086925 has 8 divisors, whose sum is 29240640
The reverse of 21086925 is 52968012
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million eighty-six thousand nine hundred twenty-five
Scientific notation
2.1086925 × 10^7
Engineering notation
2.1086925 × 10^6
Prime Factorization
3 × 25 × 281159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21086925
Product of the distinct prime numbers
The prime factorization of 21086925 is 3 × 25 × 281159.
Since it has a total of 3 prime factors.
1 , 7 , 7 , 59 , 927 , 952 , 9155 , 7589 , 35722 , 77324 , 845101 , 135170 , 9584748 , 822843 , 95768810 , 95646093 , 631778523 , 404268987 , 4362729888 , 1688878559
n×2
42173850
n×3
63260775
n×4
84347700
n×5
105434625
n÷2
10543462.5
n÷3
7028975
n÷3
5271731.25
n÷5
4217385
n2
444658405955625
n3
9.3764784570058E+21
n4
1.97721097987E+29
n5
4.1693299641695E+36
2 √n
4592.0501957187
3 √n
276.27255946204
4 √n
67.764667753326
5 √n
29.161015966234
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21086924
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21086925 can be divided by 8 positive divisors.
The sum of these divisors (counting 21086925) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011100001011001101
3
Ternary
1110200022211020
4
Quaternary
1100130023031
5
Quinary
20344240200
6
Senary
2031544353
8
Octal
120341315
10
Decimal
21086925
12
Duodecimal
708b0b9
16
Hexadecimal
141c2cd
20
Vigesimal
6bfh65
36
Base36
cjyrx
md5
9000e2f0a47fe465c74644451d8eb190
sha1
c5a0f26270ff291d6103e1f9fd4c1ad11e1de888
sha256
63ea5745bf69188de4036fbe64a52d2d3f18dd7c09cb5d1f5cb296ce1e78d81e
sha512
79113fd225bfbe88e423f09990cfd4d375f8bcb2bb42f8e103137ecc7ff2c442c30bc8e7d91a583c084870768b6573a9c48d36e5164bc94aad282748f4b2dd85
ripemd-160
3714918370bc6c1465ef43a49691dc0967582f5b
Diameter
42173850
Circumference
132493057.3336
Area
1.3969355815071E+15
Volume
3.9276101116097E+22
Surface area
5.5877423260286E+15
Circumference
132493057.3336
Perimeter
84347700
Area
444658405955625
Diagonal
29821415.323744
Surface area
2667950435733750
Volume
9.3764784570058E+21
Space diagonal
36523625.475394
Perimeter
63260775
Area
1.9254273778193E+14
Altitude
18261812.737697
Surface area
1.9254273778193E+14
Volume
1.1050285834331E+21
Height
9940471.7745814