21609963 is an odd 8-digits composite number following 21609962
and preceding 21609964 . In scientific notation, it is written as 2.1609963 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 14231592 positive integers (up to 21609963) that are relatively prime to 21609963.
21609963 has 16 divisors, whose sum is 32403840
The reverse of 21609963 is 36990612
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million six hundred nine thousand nine hundred sixty-three
Scientific notation
2.1609963 × 10^7
Engineering notation
2.1609963 × 10^6
Prime Factorization
3 × 9 × 83 × 9643
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21609963
Product of the distinct prime numbers
The prime factorization of 21609963 is 3 × 9 × 83 × 9643.
Since it has a total of 4 prime factors.
3 , 4 , 34 , 87 , 273 , 74 , 6984 , 1633 , 78141 , 38149 , 461620 , 210356 , 7184870 , 8083489 , 52812548 , 35885525 , 292047491 , 611560880 , 7514455437 , 7996823942
n×2
43219926
n×3
64829889
n×4
86439852
n×5
108049815
n÷2
10804981.5
n÷3
7203321
n÷3
5402490.75
n÷5
4321992.6
n2
466990500861369
n3
1.0091647444966E+22
n4
2.1808012789475E+29
n5
4.7127034948409E+36
2 √n
4648.651740021
3 √n
278.53814209207
4 √n
68.181021846412
5 √n
29.304263086215
1 , 3 , 9 , 27 , 83 , 249 , 747 , 2241 , 9643 , 28929 , 86787 , 260361 , 800369 , 2401107 , 7203321 , 21609963
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
-21609962
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 21609963 can be divided by 16 positive divisors.
The sum of these divisors (counting 21609963) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010011011110111101011
3
Ternary
1111122220022000
4
Quaternary
1102123313223
5
Quinary
21013004323
6
Senary
2051102043
8
Octal
122336753
10
Decimal
21609963
12
Duodecimal
72a1923
16
Hexadecimal
149bdeb
20
Vigesimal
6f14i3
36
Base36
cv6cr
md5
fa400805805484a4df10af61099cb49e
sha1
19ac5130b91e2f77e8f30ce91772f1986f821e44
sha256
860f34955f4df3252c7f52d69a902d680c9b6c97387b0e099641202d1caefb58
sha512
9bcff9fbc71f3a46cd3d9c1ebfec8caad0c2c418766c113c97aeefadd6372057bfd435643b569a9371ae6a8137f774b05cbece1ccafc80efbf73f0e622e11f01
ripemd-160
d743b0470d803026f193f729587493580f18575e
Diameter
43219926
Circumference
135779402.01029
Area
1.4670939268023E+15
Volume
4.227179396763E+22
Surface area
5.8683757072092E+15
Circumference
135779402.01029
Perimeter
86439852
Area
466990500861369
Diagonal
30561102.756981
Surface area
2801943005168214
Volume
1.0091647444966E+22
Space diagonal
37429553.865684
Perimeter
64829889
Area
2.0221281853598E+14
Altitude
18714776.932842
Surface area
2.0221281853598E+14
Volume
1.1893120569465E+21
Height
10187034.252327