21603909 is an odd 8-digits composite number following 21603908
and preceding 21603910 . In scientific notation, it is written as 2.1603909 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 14270256 positive integers (up to 21603909) that are relatively prime to 21603909.
21603909 has 8 divisors, whose sum is 29069920
The reverse of 21603909 is 90930612
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million six hundred three thousand nine hundred nine
Scientific notation
2.1603909 × 10^7
Engineering notation
2.1603909 × 10^6
Prime Factorization
3 × 109 × 66067
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21603909
Product of the distinct prime numbers
The prime factorization of 21603909 is 3 × 109 × 66067.
Since it has a total of 3 prime factors.
3 , 2 , 76 , 40 , 394 , 706 , 9052 , 3261 , 99200 , 31995 , 658307 , 212517 , 4645548 , 6277983 , 67853266 , 88847138 , 816099425 , 511032785 , 7289408419 , 7172354756
n×2
43207818
n×3
64811727
n×4
86415636
n×5
108019545
n÷2
10801954.5
n÷3
7201303
n÷3
5400977.25
n÷5
4320781.8
n2
466728884080281
n3
1.0083168339342E+22
n4
2.1783585123482E+29
n5
4.7061059070147E+36
2 √n
4648.0005378657
3 √n
278.51212897634
4 √n
68.176246140908
5 √n
29.302620992775
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
-21603908
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 21603909 can be divided by 8 positive divisors.
The sum of these divisors (counting 21603909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010011010011001000101
3
Ternary
1111122120222210
4
Quaternary
1102122121011
5
Quinary
21012311114
6
Senary
2051014033
8
Octal
122323105
10
Decimal
21603909
12
Duodecimal
729a319
16
Hexadecimal
149a645
20
Vigesimal
6f09f9
36
Base36
cv1ol
md5
9c7b0f7f67b91e4ddc3082e1db8e96f7
sha1
c5c006dd33ff1ffc76c0767a5256e19f546f213f
sha256
b4a0ec335d452968ae5f38a76792ab9987462891d154957f796f592cac6c2a4a
sha512
90e1d71a918768430c9a73ed006014554868198c4bc886fdc6806e058cc34dba5fee6e55901bd637cfecb7dc028bc2d5b0cb311896c251b715d0cd97184a58a2
ripemd-160
ba9874dc3a7aca3d4928ed4a663fc98a05e37cc9
Diameter
43207818
Circumference
135741363.60644
Area
1.4662720334448E+15
Volume
4.2236276773048E+22
Surface area
5.8650881337791E+15
Circumference
135741363.60644
Perimeter
86415636
Area
466728884080281
Diagonal
30552541.108074
Surface area
2800373304481686
Volume
1.0083168339342E+22
Space diagonal
37419068.030095
Perimeter
64811727
Area
2.0209953514674E+14
Altitude
18709534.015047
Surface area
2.0209953514674E+14
Volume
1.1883127847657E+21
Height
10184180.369358