21306520 is an even 8-digits composite number following 21306519
and preceding 21306521 . In scientific notation, it is written as 2.1306520 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 16 positive divisors.
There are 8522592 positive integers (up to 21306520) that are relatively prime to 21306520.
21306520 has 16 divisors, whose sum is 47939760
The reverse of 21306520 is 02560312
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million three hundred six thousand five hundred twenty
Scientific notation
2.1306520 × 10^7
Engineering notation
2.1306520 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 532663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5326630
Product of the distinct prime numbers
The prime factorization of 21306520 is 2 × 2 × 2 × 5 × 532663.
Since it has a total of 5 prime factors.
2 , 2 , 33 , 63 , 942 , 902 , 4358 , 6366 , 84620 , 1835 , 216053 , 644499 , 5730906 , 5867933 , 50702425 , 53486906 , 797800773 , 37078324 , 3928293452 , 6188879099
n×2
42613040
n×3
63919560
n×4
85226080
n×5
106532600
n÷2
10653260
n÷3
7102173.3333333
n÷3
5326630
n÷5
4261304
n2
453967794510400
n3
9.6724738930917E+21
n4
2.0608675845264E+29
n5
4.3909916407063E+36
2 √n
4615.8986124047
3 √n
277.22826523148
4 √n
67.940404858999
5 √n
29.221499933316
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 532663 , 1065326 , 2130652 , 2663315 , 4261304 , 5326630 , 10653260 , 21306520
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
-21306519
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 21306520 can be divided by 16 positive divisors.
The sum of these divisors (counting 21306520) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001010001110010011000
3
Ternary
1111002111001101
4
Quaternary
1101101302120
5
Quinary
20423302040
6
Senary
2040401144
8
Octal
121216230
10
Decimal
21306520
12
Duodecimal
71761b4
16
Hexadecimal
1451c98
20
Vigesimal
6d3660
36
Base36
coo7s
md5
83f93d81d620f8f22793ed43cc1da938
sha1
f38a831876ccd9a87d029f53f0f0cc5a91e08572
sha256
adeb0c9b7c323bb844c9f4fec242ba06064b410df351a46b880ce82f0658d8d0
sha512
1697160c1d1b2446b602b6f736d969c3b3857086ae030cdffe5fd934ca69dee6a00bd6f027a241265c4038973f8e00005e0dbca337a5eff36be2aa59c44b4898
ripemd-160
f3a6ac3034b777e9f5e0df907b7ece08e243f195
Diameter
42613040
Circumference
133872813.41113
Area
1.4261818882002E+15
Volume
4.0515963899435E+22
Surface area
5.7047275528009E+15
Circumference
133872813.41113
Perimeter
85226080
Area
453967794510400
Diagonal
30131969.550974
Surface area
2723806767062400
Volume
9.6724738930917E+21
Space diagonal
36903975.172482
Perimeter
63919560
Area
1.96573821273E+14
Altitude
18451987.586241
Surface area
1.96573821273E+14
Volume
1.1399119801092E+21
Height
10043989.850325