21089908 is an even 8-digits composite number following 21089907
and preceding 21089909 . In scientific notation, it is written as 2.1089908 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors.
There are 8817600 positive integers (up to 21089908) that are relatively prime to 21089908.
21089908 has 24 divisors, whose sum is 43210944
The reverse of 21089908 is 80998012
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million eighty-nine thousand nine hundred eight
Scientific notation
2.1089908 × 10^7
Engineering notation
2.1089908 × 10^6
Prime Factorization
2 × 2 × 7 × 41 × 18371
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10544954
Product of the distinct prime numbers
The prime factorization of 21089908 is 2 × 2 × 7 × 41 × 18371.
Since it has a total of 5 prime factors.
10 , 6 , 88 , 60 , 411 , 297 , 9276 , 1837 , 26694 , 86709 , 265723 , 286333 , 7145699 , 3751448 , 55851361 , 26045932 , 696667309 , 955102615 , 1279136477 , 2477836436
n×2
42179816
n×3
63269724
n×4
84359632
n×5
105449540
n÷2
10544954
n÷3
7029969.3333333
n÷3
5272477
n÷5
4217981.6
n2
444784219448464
n3
9.3804582680199E+21
n4
1.9783300187038E+29
n5
4.1722798088101E+36
2 √n
4592.3749846893
3 √n
276.28558621025
4 √n
67.767064158699
5 √n
29.161840955073
1 , 2 , 4 , 7 , 14 , 28 , 41 , 82 , 164 , 287 , 574 , 1148 , 18371 , 36742 , 73484 , 128597 , 257194 , 514388 , 753211 , 1506422 , 3012844 , 5272477 , 10544954 , 21089908
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
-21089907
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 21089908 can be divided by 24 positive divisors.
The sum of these divisors (counting 21089908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000011100111001110100
3
Ternary
1110200110220201
4
Quaternary
1100130321310
5
Quinary
20344334113
6
Senary
2032010244
8
Octal
120347164
10
Decimal
21089908
12
Duodecimal
7090984
16
Hexadecimal
141ce74
20
Vigesimal
6bg4f8
36
Base36
ck12s
md5
e3035b29a6d08eb9a87ddab857742bb0
sha1
3e1b89f70ccfae7c7e10d50fe9e1f9ee5a867198
sha256
6f52be9633337e9d9f5444ad0445ffb6fc105a97aa4edaa017eeb927d6d175d0
sha512
f02a77dff91479789d239c932760bf51a1790de10b5a1fede15be2eb7c93f69a0cc263bd2974d882d42eb064f3af334c7850c7130e87a56fbbc6fb3b6f36a37d
ripemd-160
194f2dea258ddd07c3f53c018b609569f58af805
Diameter
42179816
Circumference
132511800.07537
Area
1.397330836252E+15
Volume
3.9292771709489E+22
Surface area
5.5893233450079E+15
Circumference
132511800.07537
Perimeter
84359632
Area
444784219448464
Diagonal
29825633.922801
Surface area
2668705316690784
Volume
9.3804582680199E+21
Space diagonal
36528792.182953
Perimeter
63269724
Area
1.925972166224E+14
Altitude
18264396.091477
Surface area
1.925972166224E+14
Volume
1.1054976086591E+21
Height
9941877.9742669