21088085 is an odd 8-digits composite number following 21088084
and preceding 21088086 . In scientific notation, it is written as 2.1088085 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 16870464 positive integers (up to 21088085) that are relatively prime to 21088085.
21088085 has 4 divisors, whose sum is 25305708
The reverse of 21088085 is 58088012
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million eighty-eight thousand eighty-five
Scientific notation
2.1088085 × 10^7
Engineering notation
2.1088085 × 10^6
Prime Factorization
5 × 4217617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21088085
Product of the distinct prime numbers
The prime factorization of 21088085 is 5 × 4217617.
Since it has a total of 2 prime factors.
1 , 5 , 38 , 25 , 12 , 218 , 2588 , 8691 , 31931 , 96187 , 911549 , 906427 , 8071124 , 324675 , 46664303 , 67474427 , 771551851 , 191669688 , 2280984037 , 7530671850
n×2
42176170
n×3
63264255
n×4
84352340
n×5
105440425
n÷2
10544042.5
n÷3
7029361.6666667
n÷3
5272021.25
n÷5
4217617
n2
444707328967225
n3
9.3780259533838E+21
n4
1.9776460843716E+29
n5
4.1704768727146E+36
2 √n
4592.1764992213
3 √n
276.27762532304
4 √n
67.765599674328
5 √n
29.161336790956
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
-21088084
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 21088085 can be divided by 4 positive divisors.
The sum of these divisors (counting 21088085) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011100011101010101
3
Ternary
1110200101102012
4
Quaternary
1100130131111
5
Quinary
20344304320
6
Senary
2031554005
8
Octal
120343525
10
Decimal
21088085
12
Duodecimal
708b905
16
Hexadecimal
141c755
20
Vigesimal
6bg045
36
Base36
cjzo5
md5
b20037ff67c69228ba92da83021c7786
sha1
65cdb58b2445bcfacf4ed8960c3efa90a956ac3e
sha256
92325ade2d976c3c19728ba49aeb3a9088dce38fefad569ffe505f1687513d46
sha512
a4586dd2d1fc82a2f8bda898c8bee22e0add4bce6a83025e81c575063c68cbc52c45b50c69a71c75cfef70f71039ef524b3948feac3be39cb4afa9f1a73907cc
ripemd-160
e05ee0770ef68c75efa15f87b2669f4e15f5de55
Diameter
42176170
Circumference
132500345.82855
Area
1.397089277681E+15
Volume
3.9282583253767E+22
Surface area
5.5883571107239E+15
Circumference
132500345.82855
Perimeter
84352340
Area
444707328967225
Diagonal
29823055.811477
Surface area
2668243973803350
Volume
9.3780259533838E+21
Space diagonal
36525634.654331
Perimeter
63264255
Area
1.9256392206737E+14
Altitude
18262817.327166
Surface area
1.9256392206737E+14
Volume
1.1052109576302E+21
Height
9941018.6038255